/* =========================================================================
   Experanto — Landing
   Solar Editorial Minimalism · Apple/Jony Ive heritage
   ========================================================================= */


/* ==========================================================================
   1. TOKENS — variables, dark default + light
   ========================================================================== */

:root {
    /* Palette — surfaces */
    --bg:            #000000;
    --bg-elev:       #0B0B0E;
    --card:          rgba(22,22,25,0.55);
    --card-solid:    #1C1C1E;
    --card-hover:    rgba(40,40,44,0.65);
    --separator:     rgba(255,255,255,0.08);
    --hairline:      rgba(255,255,255,0.12);

    /* Palette — content */
    --text:          #FFFFFF;
    --text2:         rgba(235,235,245,0.62);
    --text3:         rgba(235,235,245,0.32);
    --text-mute:     rgba(235,235,245,0.18);

    /* Palette — accents (iOS aligned) */
    --green:         #30D158;
    --green-deep:    #28A85A;
    --green-soft:    #3FE07A;
    --blue:          #0A84FF;
    --yellow:        #FFD60A;
    --yellow-glow:   rgba(255,214,10,0.55);
    --orange:        #FF9F0A;
    --violet:        #BF5AF2;
    --red:           #FF453A;

    /* Glassmorphism */
    --glass-bg:      rgba(15,15,18,0.62);
    --glass-blur:    blur(22px) saturate(180%);
    --glass-border:  0.5px solid rgba(255,255,255,0.08);

    /* Geometry */
    --radius-card:   24px;
    --radius-btn:    14px;
    --radius-pill:   100px;
    --radius-sm:     10px;
    --header-h:      68px;
    --maxw:          1200px;
    --maxw-narrow:   960px;
    --gutter:        clamp(20px, 4vw, 40px);

    /* Shadows — restrained */
    --shadow-card:    0 1px 3px rgba(0,0,0,0.3), 0 18px 40px -12px rgba(0,0,0,0.5);
    --shadow-elev:    0 2px 6px rgba(0,0,0,0.3), 0 32px 64px -18px rgba(0,0,0,0.6);
    --shadow-cta:     0 1px 0 rgba(255,255,255,0.18) inset, 0 -1px 0 rgba(0,0,0,0.25) inset, 0 12px 28px -10px rgba(48,209,88,0.55);

    /* Motion */
    --ease:          cubic-bezier(0.25, 0.1, 0.25, 1);
    --ease-spring:   cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-emph:     cubic-bezier(0.32, 0.72, 0, 1);

    /* Typography stack — system Apple, no Inter */
    --font-display:  -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", system-ui, sans-serif;
    --font-text:     -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", system-ui, sans-serif;
    --font-mono:     ui-monospace, "SF Mono", SFMono-Regular, "Menlo", monospace;

    color-scheme: dark;
}

html[data-theme="light"] {
    --bg:            #F2F2F7;
    --bg-elev:       #FFFFFF;
    --card:          rgba(255,255,255,0.72);
    --card-solid:    #FFFFFF;
    --card-hover:    rgba(255,255,255,0.88);
    --separator:     rgba(60,60,67,0.12);
    --hairline:      rgba(60,60,67,0.18);

    --text:          #050507;
    --text2:         rgba(60,60,67,0.66);
    --text3:         rgba(60,60,67,0.36);
    --text-mute:     rgba(60,60,67,0.18);

    --green-deep:    #1F8F4A;
    --blue:          #007AFF;

    --glass-bg:      rgba(255,255,255,0.74);
    --glass-blur:    blur(22px) saturate(180%);
    --glass-border:  0.5px solid rgba(60,60,67,0.12);

    --shadow-card:   0 1px 2px rgba(0,0,0,0.04), 0 12px 28px -10px rgba(0,0,0,0.10);
    --shadow-elev:   0 2px 4px rgba(0,0,0,0.06), 0 24px 48px -16px rgba(0,0,0,0.14);
    --shadow-cta:    0 1px 0 rgba(255,255,255,0.5) inset, 0 -1px 0 rgba(0,0,0,0.10) inset, 0 12px 28px -10px rgba(31,143,74,0.55);

    color-scheme: light;
}


/* ==========================================================================
   2. RESET
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-text);
    font-size: 16px;
    line-height: 1.55;
    font-feature-settings: "ss01", "cv11";
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
    text-rendering: optimizeLegibility;
}

body {
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: none; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
::selection { background: rgba(255,214,10,0.32); color: #000; }


/* ==========================================================================
   3. UTILITY — skip, container, atmosphere
   ========================================================================== */

.skip {
    position: absolute;
    left: 16px;
    top: -100px;
    padding: 10px 16px;
    background: var(--text);
    color: var(--bg);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 13px;
    z-index: 999;
    transition: top 0.2s var(--ease);
}
.skip:focus { top: 16px; outline: none; }

/* Ambient layers: dorato halo + grana */
.ambient {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.ambient__halo {
    position: absolute;
    top: -200px;
    right: -200px;
    width: 900px;
    height: 900px;
    border-radius: 50%;
    background: radial-gradient(circle at 50% 50%,
        rgba(255,214,10,0.10) 0%,
        rgba(255,214,10,0.04) 28%,
        rgba(255,214,10,0) 60%);
    filter: blur(20px);
    animation: ambient-pulse 12s var(--ease) infinite;
}

html[data-theme="light"] .ambient__halo {
    background: radial-gradient(circle at 50% 50%,
        rgba(255,184,0,0.18) 0%,
        rgba(255,184,0,0.06) 28%,
        rgba(255,184,0,0) 60%);
}

/* Grain statico: niente animation (causa repaint discreti percepibili come flicker).
   La texture rimane fissa, il movimento atmospheric viene già dal halo che pulsa. */
.ambient__grain {
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1   0 0 0 0 1   0 0 0 0 1   0 0 0 0.55 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
    opacity: 0.018;
    mix-blend-mode: overlay;
}

html[data-theme="light"] .ambient__grain { opacity: 0.040; mix-blend-mode: multiply; }

@keyframes ambient-pulse {
    0%, 100% { opacity: 0.8; transform: scale(1); }
    50%      { opacity: 1;   transform: scale(1.06); }
}


/* ==========================================================================
   4. TYPOGRAPHY — display + accents
   ========================================================================== */

.section__title,
.hero__title {
    font-family: var(--font-display);
    font-weight: 300;
    letter-spacing: -0.035em;
    line-height: 1.02;
    color: var(--text);
}

.section__title em,
.hero__title em {
    font-style: italic;
    font-weight: 300;
    background: linear-gradient(180deg, #FFE45C 0%, #FFB800 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 60px rgba(255,200,0,0.20);
}

html[data-theme="light"] .section__title em,
html[data-theme="light"] .hero__title em {
    background: linear-gradient(180deg, #E0A800 0%, #C97A00 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: none;
}

.num {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    font-feature-settings: "tnum", "lnum";
}


/* ==========================================================================
   5. NAVIGATION — sticky glass
   ========================================================================== */

.nav {
    position: sticky;
    top: 0;
    z-index: 50;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    height: var(--header-h);
    padding: 0 var(--gutter);
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    border-bottom: 0.5px solid var(--separator);
    column-gap: 32px;
}

.nav__brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 400;
    letter-spacing: -0.01em;
    color: var(--text);
    transition: opacity 0.2s var(--ease);
}
.nav__brand:hover { opacity: 0.78; }

.nav__brand-text { white-space: nowrap; }

.brand-sun {
    width: 22px;
    height: 22px;
    color: var(--yellow);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    filter: drop-shadow(0 0 6px rgba(255,214,10,0.45));
}
.brand-sun svg { width: 20px; height: 20px; overflow: visible; animation: brand-sun-spin 30s linear infinite; }
.brand-sun__rays { transform-origin: 16px 16px; animation: brand-sun-rays 4s ease-in-out infinite; }

@keyframes brand-sun-spin { to { transform: rotate(360deg); } }
@keyframes brand-sun-rays {
    0%, 100% { transform: scale(1); }
    50%      { transform: scale(1.10); }
}

.nav__menu {
    justify-self: center;
    display: flex;
    gap: 4px;
}
.nav__menu a {
    padding: 8px 14px;
    border-radius: var(--radius-pill);
    color: var(--text2);
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s var(--ease), background 0.2s var(--ease);
}
.nav__menu a:hover {
    color: var(--text);
    background: rgba(255,255,255,0.04);
}
html[data-theme="light"] .nav__menu a:hover { background: rgba(0,0,0,0.04); }

.nav__controls {
    display: flex;
    align-items: center;
    gap: 10px;
    justify-self: end;
}


/* --- Lang toggle pill --- */

.lang-toggle {
    display: inline-flex;
    background: rgba(255,255,255,0.04);
    border: 0.5px solid var(--separator);
    border-radius: var(--radius-pill);
    padding: 3px;
    gap: 0;
}
html[data-theme="light"] .lang-toggle { background: rgba(0,0,0,0.03); }

.lang-toggle button {
    padding: 5px 10px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--text3);
    border-radius: var(--radius-pill);
    transition: color 0.2s var(--ease), background 0.2s var(--ease);
}
.lang-toggle button[aria-pressed="true"] {
    color: var(--text);
    background: var(--text);
    color: var(--bg);
}
.lang-toggle button:hover:not([aria-pressed="true"]) { color: var(--text2); }


/* --- Theme toggle --- */

.theme-toggle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    color: var(--text2);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s var(--ease), background 0.2s var(--ease), transform 0.3s var(--ease-spring);
    border: 0.5px solid transparent;
}
.theme-toggle:hover {
    color: var(--text);
    background: rgba(255,255,255,0.04);
    transform: scale(1.05);
}
html[data-theme="light"] .theme-toggle:hover { background: rgba(0,0,0,0.04); }

.theme-toggle__sun { display: none; }
.theme-toggle__moon { display: block; }
html[data-theme="light"] .theme-toggle__sun { display: block; }
html[data-theme="light"] .theme-toggle__moon { display: none; }


/* --- Buttons --- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 44px;
    padding: 0 22px;
    border-radius: var(--radius-btn);
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 500;
    letter-spacing: -0.005em;
    white-space: nowrap;
    transition: transform 0.2s var(--ease), filter 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
    border: 0.5px solid transparent;
    cursor: pointer;
}

.btn--primary {
    background: linear-gradient(180deg, #3FE078 0%, #28A85A 100%);
    color: #062810;
    box-shadow: var(--shadow-cta);
}
.btn--primary:hover { filter: brightness(1.06); transform: translateY(-1px); }
.btn--primary:active { transform: translateY(0) scale(0.98); filter: brightness(0.95); }

.btn--glass {
    background: rgba(255,255,255,0.06);
    border-color: rgba(255,255,255,0.14);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    color: var(--text);
}
.btn--glass:hover {
    background: rgba(255,255,255,0.09);
    border-color: rgba(255,255,255,0.22);
    transform: translateY(-1px);
}
html[data-theme="light"] .btn--glass {
    background: rgba(0,0,0,0.04);
    border-color: rgba(0,0,0,0.10);
}
html[data-theme="light"] .btn--glass:hover {
    background: rgba(0,0,0,0.06);
    border-color: rgba(0,0,0,0.18);
}

.btn--ghost {
    height: 36px;
    padding: 0 14px;
    font-size: 13px;
    border-color: var(--hairline);
    color: var(--text);
    background: transparent;
}
.btn--ghost:hover {
    background: rgba(255,255,255,0.04);
    border-color: rgba(255,255,255,0.24);
}
html[data-theme="light"] .btn--ghost:hover {
    background: rgba(0,0,0,0.04);
    border-color: rgba(0,0,0,0.24);
}

/* Focus styles — uniform */
:where(.btn, .theme-toggle, .lang-toggle button, .nav__menu a, .faq__item summary, .footer__col a):focus-visible {
    outline: 2px solid var(--blue);
    outline-offset: 3px;
    border-radius: var(--radius-btn);
}


/* ==========================================================================
   6. HERO
   ========================================================================== */

.hero {
    position: relative;
    z-index: 1;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: clamp(56px, 9vw, 120px) var(--gutter) clamp(60px, 8vw, 100px);
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    column-gap: clamp(32px, 5vw, 80px);
    align-items: center;
    min-height: clamp(580px, 78vh, 820px);
}

/* --- Text column --- */

.hero__col--text { display: flex; flex-direction: column; gap: 24px; min-width: 0; }

.hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-text);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text3);
    padding-left: 2px;
}
.hero__eyebrow .dot-sep { color: var(--yellow); opacity: 0.85; }

.hero__title {
    font-size: clamp(46px, 7.4vw, 88px);
    line-height: 0.98;
    margin-top: -4px;
    max-width: 16ch;
}

.hero__sub {
    font-size: clamp(16px, 1.45vw, 19px);
    line-height: 1.55;
    color: var(--text2);
    max-width: 540px;
}

.hero__cta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 8px;
}

.hero__proof {
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 18px;
    padding-top: 20px;
    border-top: 0.5px solid var(--separator);
}
.hero__proof-label {
    font-size: 12px;
    color: var(--text3);
    letter-spacing: 0.04em;
}
.hero__proof-list {
    display: flex;
    align-items: center;
    gap: 26px;
    flex-wrap: wrap;
}
.hero__proof-list img {
    height: 18px;
    max-width: 80px;
    width: auto;
    object-fit: contain;
    opacity: 0.45;
    filter: grayscale(1) brightness(1.2);
    transition: opacity 0.3s var(--ease), filter 0.3s var(--ease);
}
.hero__proof-list img:hover {
    opacity: 0.9;
    filter: grayscale(0) brightness(1);
}
html[data-theme="light"] .hero__proof-list img {
    filter: grayscale(1) brightness(0.4);
}
html[data-theme="light"] .hero__proof-list img:hover {
    filter: grayscale(0) brightness(1);
}


/* --- Visual column (sun) --- */

.hero__col--visual {
    position: relative;
    min-height: 360px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-sun {
    position: relative;
    width: clamp(280px, 32vw, 420px);
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-sun__svg {
    width: 62%;
    height: 62%;
    overflow: visible;
    animation: sun-spin 30s linear infinite;
    filter: drop-shadow(0 0 36px rgba(255,214,10,0.55));
    position: relative;
    z-index: 3;
    will-change: transform;        /* promuove a layer GPU: stop a microflicker su rotate continuo */
    transform: translateZ(0);
    backface-visibility: hidden;
}
.hero-sun__rays {
    transform-origin: 16px 16px;
    transform-box: fill-box;
    animation: sun-rays-pulse 4s ease-in-out infinite;
    will-change: transform;
}
.hero-sun__halo {
    will-change: transform, opacity;
}
.hero-sun__orbit {
    will-change: transform;
}

.hero-sun__halo {
    position: absolute;
    inset: -22%;
    border-radius: 50%;
    background: radial-gradient(circle at 50% 50%,
        rgba(255,214,10,0.42) 0%,
        rgba(255,184,0,0.18) 28%,
        rgba(255,184,0,0.04) 55%,
        rgba(255,184,0,0) 75%);
    animation: halo-pulse 5s var(--ease) infinite;
    z-index: 1;
    filter: blur(8px);
}
html[data-theme="light"] .hero-sun__halo {
    background: radial-gradient(circle at 50% 50%,
        rgba(255,184,0,0.55) 0%,
        rgba(255,184,0,0.20) 30%,
        rgba(255,184,0,0) 70%);
}

.hero-sun__orbit {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 0.5px dashed rgba(255,214,10,0.18);
    z-index: 2;
    animation: orbit-spin 60s linear infinite;
}
.hero-sun__orbit--a { inset: 5%;  }
.hero-sun__orbit--b {
    inset: -10%;
    border: 0.5px dashed rgba(255,214,10,0.10);
    animation-direction: reverse;
    animation-duration: 90s;
}
html[data-theme="light"] .hero-sun__orbit { border-color: rgba(216,150,0,0.25); }
html[data-theme="light"] .hero-sun__orbit--b { border-color: rgba(216,150,0,0.15); }

@keyframes sun-spin { to { transform: rotate(360deg); } }
@keyframes orbit-spin { to { transform: rotate(360deg); } }
@keyframes sun-rays-pulse {
    0%, 100% { transform: scale(1);    opacity: 1; }
    50%      { transform: scale(1.10); opacity: 0.78; }
}
@keyframes halo-pulse {
    0%, 100% { opacity: 0.6; transform: scale(0.94); }
    50%      { opacity: 1;   transform: scale(1.08); }
}


/* ==========================================================================
   7. SECTIONS — common head
   ========================================================================== */

.section {
    position: relative;
    z-index: 1;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: clamp(72px, 9vw, 120px) var(--gutter);
}

.section__head {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 18px;
    margin-bottom: clamp(40px, 6vw, 64px);
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.section__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 6px 14px 6px 12px;
    background: rgba(255,255,255,0.04);
    border: 0.5px solid var(--separator);
    border-radius: var(--radius-pill);
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text2);
    font-weight: 500;
}
html[data-theme="light"] .section__eyebrow { background: rgba(0,0,0,0.03); }

.section__eyebrow .num {
    font-size: 12px;
    color: var(--yellow);
    font-weight: 700;
    letter-spacing: 0;
    line-height: 1;
}
.section__eyebrow .num-divider {
    width: 1px;
    height: 12px;
    background: var(--separator);
}

.section__title {
    font-size: clamp(34px, 4.6vw, 60px);
    line-height: 1.04;
    max-width: 16ch;
}

.section__sub {
    color: var(--text2);
    font-size: clamp(15px, 1.2vw, 17px);
    max-width: 580px;
    line-height: 1.55;
}


/* ==========================================================================
   8. BRANDS
   ========================================================================== */

.brands__grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 16px;
    max-width: var(--maxw-narrow);
    margin: 0 auto;
}

.brand-card {
    position: relative;
    background: var(--card);
    border: 0.5px solid var(--separator);
    border-radius: var(--radius-card);
    padding: 32px 24px 24px;
    text-align: center;
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease);
    isolation: isolate;
    overflow: hidden;
}

.brand-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, rgba(255,214,10,0.12), transparent 60%);
    opacity: 0;
    transition: opacity 0.4s var(--ease);
    z-index: -1;
}

.brand-card:hover {
    transform: translateY(-3px);
    border-color: rgba(255,255,255,0.16);
    background: var(--card-hover);
}
.brand-card:hover::before { opacity: 1; }

html[data-theme="light"] .brand-card:hover {
    border-color: rgba(0,0,0,0.18);
}

.brand-card__logo {
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    padding: 0 8px;
}
.brand-card__logo img {
    max-height: 40px;
    max-width: 100%;
    width: auto;
    object-fit: contain;
    opacity: 0.94;
    transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}
.brand-card:hover .brand-card__logo img {
    opacity: 1;
    transform: scale(1.04);
}

.brand-card__name {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 500;
    letter-spacing: -0.01em;
    color: var(--text);
}
.brand-card__portal {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.10em;
    text-transform: uppercase;
    color: var(--text3);
    margin-top: 4px;
}

.brands__coming {
    margin: 40px auto 0;
    max-width: var(--maxw-narrow);
    text-align: center;
    color: var(--text3);
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.dot-pulse {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 0 0 rgba(48,209,88,0.6);
    animation: dot-pulse 2s var(--ease) infinite;
    display: inline-block;
    flex-shrink: 0;
}

@keyframes dot-pulse {
    0%   { box-shadow: 0 0 0 0   rgba(48,209,88,0.6); }
    70%  { box-shadow: 0 0 0 10px rgba(48,209,88,0);   }
    100% { box-shadow: 0 0 0 0   rgba(48,209,88,0);   }
}


/* ==========================================================================
   9. FEATURES
   ========================================================================== */

.features__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.feature {
    position: relative;
    background: var(--card);
    border: 0.5px solid var(--separator);
    border-radius: var(--radius-card);
    padding: 28px 26px;
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease);
    overflow: hidden;
    isolation: isolate;
}

.feature::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--feature-tint, radial-gradient(circle at 20% 0%, rgba(255,255,255,0.04), transparent 50%));
    opacity: 0.5;
    z-index: -1;
    transition: opacity 0.3s var(--ease);
}

.feature[data-tint="green"]  { --feature-tint: radial-gradient(circle at 20% 0%, rgba(48,209,88,0.12), transparent 60%); }
.feature[data-tint="blue"]   { --feature-tint: radial-gradient(circle at 20% 0%, rgba(10,132,255,0.14), transparent 60%); }
.feature[data-tint="yellow"] { --feature-tint: radial-gradient(circle at 20% 0%, rgba(255,214,10,0.14), transparent 60%); }
.feature[data-tint="violet"] { --feature-tint: radial-gradient(circle at 20% 0%, rgba(191,90,242,0.14), transparent 60%); }
.feature[data-tint="orange"] { --feature-tint: radial-gradient(circle at 20% 0%, rgba(255,159,10,0.14), transparent 60%); }

.feature:hover {
    transform: translateY(-3px);
    border-color: rgba(255,255,255,0.18);
}
.feature:hover::before { opacity: 1; }

html[data-theme="light"] .feature:hover { border-color: rgba(0,0,0,0.18); }

.feature__icon {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: rgba(255,255,255,0.06);
    border: 0.5px solid var(--separator);
    color: var(--text);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
}
.feature[data-tint="green"]  .feature__icon { color: var(--green);  background: rgba(48,209,88,0.10);  border-color: rgba(48,209,88,0.22); }
.feature[data-tint="blue"]   .feature__icon { color: var(--blue);   background: rgba(10,132,255,0.10); border-color: rgba(10,132,255,0.22); }
.feature[data-tint="yellow"] .feature__icon { color: var(--yellow); background: rgba(255,214,10,0.12); border-color: rgba(255,214,10,0.25); }
.feature[data-tint="violet"] .feature__icon { color: var(--violet); background: rgba(191,90,242,0.10); border-color: rgba(191,90,242,0.22); }
.feature[data-tint="orange"] .feature__icon { color: var(--orange); background: rgba(255,159,10,0.10); border-color: rgba(255,159,10,0.22); }

.feature__icon svg { width: 22px; height: 22px; }

.feature__title {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 500;
    letter-spacing: -0.015em;
    color: var(--text);
    margin-bottom: 8px;
}

.feature__body {
    font-size: 14px;
    line-height: 1.55;
    color: var(--text2);
}


/* ==========================================================================
   10. PREVIEW — mockup browser + plant card + flow
   ========================================================================== */

.mock {
    max-width: 980px;
    margin: 0 auto;
    border-radius: 20px;
    overflow: hidden;
    background: var(--bg-elev);
    border: 0.5px solid var(--separator);
    box-shadow: var(--shadow-elev);
    transform: translateZ(0);
}

html[data-theme="light"] .mock {
    background: #FAFAFB;
}

/* Browser chrome */
.mock__chrome {
    display: grid;
    grid-template-columns: 80px 1fr 80px;
    align-items: center;
    padding: 12px 16px;
    background: rgba(255,255,255,0.03);
    border-bottom: 0.5px solid var(--separator);
}
html[data-theme="light"] .mock__chrome { background: rgba(0,0,0,0.025); }

.mock__dots {
    display: flex;
    gap: 7px;
}
.mock__dots span {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    display: block;
}
.mock__dots span:nth-child(1) { background: #FF5F57; }
.mock__dots span:nth-child(2) { background: #FEBC2E; }
.mock__dots span:nth-child(3) { background: #28C840; }

.mock__url {
    justify-self: center;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 5px 14px;
    background: rgba(255,255,255,0.05);
    border-radius: var(--radius-pill);
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text2);
    border: 0.5px solid var(--separator);
}
.mock__lock { color: var(--green); font-size: 9px; }
html[data-theme="light"] .mock__url { background: rgba(0,0,0,0.03); }

/* App body */
.mock__body {
    padding: 18px;
}

.mock__appbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 6px 14px;
    border-bottom: 0.5px solid var(--separator);
    margin-bottom: 18px;
    font-size: 12px;
    color: var(--text2);
}
.mock__appbar-left {
    display: flex;
    align-items: center;
    gap: 14px;
    font-family: var(--font-display);
    font-size: 14px;
    color: var(--text);
}
.mock__appbar-sun {
    display: inline-flex;
    width: 16px;
    height: 16px;
    filter: drop-shadow(0 0 4px rgba(255,214,10,0.45));
    animation: brand-sun-spin 30s linear infinite;
}
.mock__pun {
    font-size: 11px;
    color: var(--text3);
    margin-left: 4px;
}
.mock__pun strong { color: var(--text2); font-weight: 600; }

.mock__appbar-right { display: flex; gap: 10px; align-items: center; }
.mock__chip {
    background: rgba(255,255,255,0.05);
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    font-size: 11px;
    color: var(--text2);
    border: 0.5px solid var(--separator);
}
html[data-theme="light"] .mock__chip { background: rgba(0,0,0,0.04); }

.mock__live {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    color: var(--green);
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.mock__live-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--green);
    animation: live-dot 1.6s ease-in-out infinite;
}
@keyframes live-dot {
    0%, 100% { opacity: 0.5; transform: scale(0.85); }
    50%      { opacity: 1;   transform: scale(1); }
}

/* Plant card */
.mock__card {
    background: var(--card);
    border: 0.5px solid var(--separator);
    border-radius: var(--radius-card);
    padding: 24px;
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
}

.mock__card-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 22px;
}

.mock__pill {
    display: inline-block;
    padding: 3px 10px;
    background: rgba(255,255,255,0.06);
    border: 0.5px solid var(--separator);
    border-radius: var(--radius-pill);
    font-size: 10px;
    letter-spacing: 0.08em;
    color: var(--text2);
    font-weight: 600;
    margin-bottom: 8px;
}
html[data-theme="light"] .mock__pill { background: rgba(0,0,0,0.04); }

.mock__plant {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 400;
    letter-spacing: -0.015em;
    color: var(--text);
}
.mock__plant-kwp {
    color: var(--text3);
    font-weight: 300;
}

.mock__time {
    text-align: right;
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
}
.mock__time-now {
    font-size: 18px;
    color: var(--text);
    font-weight: 400;
}
.mock__time-sec {
    display: block;
    font-size: 10px;
    color: var(--text3);
}

.mock__card-body {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 32px;
    align-items: center;
    padding-bottom: 22px;
    border-bottom: 0.5px solid var(--separator);
    margin-bottom: 22px;
}

.mock__ring {
    width: 140px;
    height: 140px;
    position: relative;
}
.mock__ring-arc {
    stroke-dasharray: 100;
    stroke-dashoffset: 100;
    transition: stroke-dashoffset 1.4s var(--ease-emph);
}
.mock__ring.is-animated .mock__ring-arc { stroke-dashoffset: 13; /* 100 - 87 */ }

.mock__ring-num {
    fill: var(--text);
    font-family: var(--font-display);
    font-size: 38px;
    font-weight: 300;
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
}
.mock__ring-unit {
    fill: var(--text3);
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 400;
}
.mock__ring-lbl {
    fill: var(--text3);
    font-family: var(--font-text);
    font-size: 8px;
    letter-spacing: 0.18em;
    font-weight: 600;
}

.mock__power { min-width: 0; }
.mock__power-label {
    font-size: 10px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text3);
    margin-bottom: 6px;
    font-weight: 600;
}

.mock__power-value {
    display: flex;
    align-items: baseline;
    gap: 8px;
    font-family: var(--font-display);
}
.mock__power-num {
    font-size: clamp(40px, 5vw, 56px);
    font-weight: 300;
    letter-spacing: -0.03em;
    line-height: 1;
    color: var(--text);
    font-variant-numeric: tabular-nums;
}
.mock__power-unit {
    font-size: 18px;
    color: var(--text3);
    font-weight: 400;
}
.mock__power-meta {
    margin-top: 4px;
    font-size: 12px;
    color: var(--text3);
}
.mock__delta {
    font-weight: 600;
    font-family: var(--font-mono);
    margin-right: 4px;
}
.mock__delta--up { color: var(--green); }

.mock__spark {
    width: 100%;
    height: 60px;
    margin-top: 12px;
}
.mock__spark-line {
    stroke-dasharray: 500;
    stroke-dashoffset: 500;
    transition: stroke-dashoffset 1.6s var(--ease-emph);
}
.mock__spark-tip {
    opacity: 0;
    transition: opacity 0.4s var(--ease) 1.4s;
}
.mock__ring.is-animated ~ .mock__power .mock__spark-line,
.mock.is-animated .mock__spark-line { stroke-dashoffset: 0; }
.mock.is-animated .mock__spark-tip { opacity: 1; }

/* Flow section */
.mock__flow { }

.mock__flow-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}
.mock__flow-title {
    font-size: 10px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text3);
    font-weight: 600;
}
.mock__flow-meta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 10px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--green);
    font-weight: 600;
}

.mock__flow-svg {
    width: 100%;
    height: 240px;
    max-width: 480px;
    display: block;
    margin: 0 auto;
}

.flow-label {
    fill: var(--text2);
    font-family: var(--font-text);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.12em;
}
.flow-value {
    fill: var(--text);
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 400;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.005em;
}

.flow-line {
    stroke-width: 2;
    fill: none;
    stroke-dasharray: 4 6;
    stroke-linecap: round;
    animation: flow-march 1.6s linear infinite;
}
/* Direzione fisicamente coerente in scenario surplus PV:
   PV → CASA (sole importa, default), CASA → BATT (carica, reverse), CASA → RETE (export, reverse).
   Le linee in HTML sono disegnate "satellite → hub": il reverse fa muovere le particelle
   nella direzione opposta, cioè dal hub verso il satellite. */
.flow-line--pv   { stroke: rgba(255,214,10,0.7);  animation-duration: 1.6s; }
.flow-line--batt { stroke: rgba(48,209,88,0.7);   animation-duration: 2.0s; animation-direction: reverse; }
.flow-line--grid { stroke: rgba(10,132,255,0.7);  animation-duration: 2.2s; animation-direction: reverse; }

@keyframes flow-march {
    to { stroke-dashoffset: -100; }
}

.flow-node--hub circle {
    filter: drop-shadow(0 0 18px rgba(255,255,255,0.05));
}

/* Ratios under flow */
.mock__ratios {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 8px;
    padding-top: 18px;
    border-top: 0.5px solid var(--separator);
}
.mock__ratio { display: flex; flex-direction: column; gap: 2px; }
.mock__ratio-num {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 300;
    letter-spacing: -0.02em;
    color: var(--text);
    font-variant-numeric: tabular-nums;
}
.mock__ratio-unit {
    font-size: 13px;
    color: var(--text3);
    margin-left: 2px;
    font-weight: 400;
}
.mock__ratio-lbl {
    font-size: 11px;
    color: var(--text3);
    letter-spacing: 0.06em;
}


/* ==========================================================================
   11. FAQ
   ========================================================================== */

.faq__list {
    max-width: var(--maxw-narrow);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.faq__item {
    background: var(--card);
    border: 0.5px solid var(--separator);
    border-radius: var(--radius-card);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    overflow: hidden;
    transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.faq__item:hover { border-color: rgba(255,255,255,0.16); }
html[data-theme="light"] .faq__item:hover { border-color: rgba(0,0,0,0.18); }
.faq__item[open] { border-color: rgba(255,214,10,0.30); }

.faq__item summary {
    list-style: none;
    cursor: pointer;
    padding: 22px 26px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    user-select: none;
    transition: padding 0.3s var(--ease);
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::marker { display: none; }

.faq__q {
    font-family: var(--font-display);
    font-size: clamp(16px, 1.4vw, 18px);
    font-weight: 500;
    letter-spacing: -0.01em;
    color: var(--text);
}

.faq__chev {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    border-radius: 50%;
    border: 0.5px solid var(--separator);
    color: var(--text2);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s var(--ease-emph), color 0.3s var(--ease), background 0.3s var(--ease), border-color 0.3s var(--ease);
}
.faq__item[open] .faq__chev {
    transform: rotate(180deg);
    color: var(--yellow);
    background: rgba(255,214,10,0.08);
    border-color: rgba(255,214,10,0.30);
}

.faq__a {
    padding: 0 26px 24px;
    color: var(--text2);
    font-size: 15px;
    line-height: 1.62;
    max-width: 60ch;
    animation: faq-fade 0.45s var(--ease-emph);
}
@keyframes faq-fade {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}


/* --- Mid-page CTA band --- */

.cta-band {
    margin-top: 64px;
    max-width: var(--maxw-narrow);
    margin-left: auto;
    margin-right: auto;
    background: var(--card);
    border: 0.5px solid var(--separator);
    border-radius: var(--radius-card);
    padding: 32px 36px;
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    position: relative;
    overflow: hidden;
    isolation: isolate;
}
.cta-band::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 100% 50%, rgba(255,214,10,0.12), transparent 60%);
    z-index: -1;
}
.cta-band__text h3 {
    font-family: var(--font-display);
    font-size: clamp(20px, 2.2vw, 26px);
    font-weight: 400;
    letter-spacing: -0.02em;
    color: var(--text);
    margin-bottom: 4px;
}
.cta-band__text p {
    color: var(--text2);
    font-size: 14px;
}


/* ==========================================================================
   12. FOOTER
   ========================================================================== */

.footer {
    position: relative;
    z-index: 1;
    margin-top: clamp(60px, 8vw, 100px);
    padding: 80px var(--gutter) 32px;
    border-top: 0.5px solid var(--separator);
    background: rgba(0,0,0,0.4);
}
html[data-theme="light"] .footer {
    background: rgba(255,255,255,0.6);
}

.footer__grid {
    max-width: var(--maxw);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 40px;
}

.footer__col h4 {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text2);
    margin-bottom: 14px;
}
.footer__col ul { display: flex; flex-direction: column; gap: 10px; }
.footer__col a {
    color: var(--text3);
    font-size: 14px;
    transition: color 0.2s var(--ease);
}
.footer__col a:hover { color: var(--text); }

.footer__col--brand .nav__brand {
    margin-bottom: 16px;
    font-size: 18px;
}
.footer__tag {
    color: var(--text3);
    font-size: 14px;
    max-width: 240px;
    line-height: 1.5;
    font-style: italic;
}

.footer__bottom {
    max-width: var(--maxw);
    margin: 56px auto 0;
    padding-top: 24px;
    border-top: 0.5px solid var(--separator);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}
.footer__copy {
    font-size: 12px;
    color: var(--text3);
    letter-spacing: 0.02em;
}
.footer__controls {
    display: flex;
    gap: 10px;
    align-items: center;
}


/* ==========================================================================
   12b. BETA — program card
   ========================================================================== */

.beta {
    position: relative;
    z-index: 1;
    max-width: var(--maxw);
}

.beta__inner {
    position: relative;
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: clamp(40px, 5vw, 80px);
    padding: clamp(40px, 5vw, 64px) clamp(28px, 4vw, 56px);
    background: var(--card);
    border: 0.5px solid var(--separator);
    border-radius: var(--radius-card);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    isolation: isolate;
}

/* Gold/green halo behind beta card */
.beta__inner::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -20%;
    width: 640px;
    height: 640px;
    border-radius: 50%;
    background: radial-gradient(circle at 50% 50%,
        rgba(255,214,10,0.12) 0%,
        rgba(48,209,88,0.04) 32%,
        transparent 70%);
    filter: blur(20px);
    z-index: -1;
    pointer-events: none;
}

/* BETA seal (top-right corner) */
.beta__seal {
    position: absolute;
    top: 22px;
    right: 22px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border: 0.5px solid rgba(48,209,88,0.40);
    border-radius: var(--radius-pill);
    background: rgba(48,209,88,0.10);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.20em;
    color: var(--green-soft);
    z-index: 1;
}
.beta__seal-ring {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 0 0 rgba(48,209,88,0.6);
    animation: dot-pulse 2s var(--ease) infinite;
}
.beta__seal-label { line-height: 1; }

html[data-theme="light"] .beta__seal {
    background: rgba(31,143,74,0.10);
    border-color: rgba(31,143,74,0.35);
    color: var(--green-deep);
}

/* Text column */
.beta__col--text {
    display: flex;
    flex-direction: column;
    gap: 20px;
    min-width: 0;
}

.beta__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text2);
    margin-top: 4px;
    flex-wrap: wrap;
}
.beta__pill {
    padding: 3px 10px;
    background: var(--yellow);
    color: #1A1300;
    border-radius: var(--radius-pill);
    font-weight: 700;
    letter-spacing: 0.10em;
    font-size: 10px;
}
.beta__sep { color: var(--text3); }

.beta__title {
    font-family: var(--font-display);
    font-size: clamp(32px, 4vw, 48px);
    line-height: 1.05;
    letter-spacing: -0.03em;
    font-weight: 300;
    color: var(--text);
}
.beta__title em {
    font-style: italic;
    font-weight: 300;
    background: linear-gradient(180deg, #FFE45C 0%, #FFB800 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
html[data-theme="light"] .beta__title em {
    background: linear-gradient(180deg, #E0A800 0%, #C97A00 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.beta__body {
    color: var(--text2);
    font-size: clamp(15px, 1.2vw, 17px);
    line-height: 1.6;
    max-width: 52ch;
}
.beta__body strong {
    color: var(--text);
    font-weight: 600;
}

.beta__cta {
    margin-top: 8px;
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
}
.beta__seats {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text2);
    font-weight: 500;
}

/* Perks column */
.beta__perks {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.beta__perk {
    display: grid;
    grid-template-columns: 32px 1fr;
    align-items: start;
    gap: 14px;
    padding: 16px 18px;
    background: rgba(255,255,255,0.03);
    border: 0.5px solid var(--separator);
    border-radius: 16px;
    transition: background 0.3s var(--ease), border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.beta__perk:hover {
    background: rgba(255,255,255,0.05);
    border-color: rgba(255,255,255,0.14);
    transform: translateX(2px);
}
html[data-theme="light"] .beta__perk { background: rgba(0,0,0,0.025); }
html[data-theme="light"] .beta__perk:hover { background: rgba(0,0,0,0.04); border-color: rgba(0,0,0,0.14); }

.beta__perk-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, #FFE45C, #FFB800);
    color: #1A1300;
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 700;
    line-height: 1;
    box-shadow: 0 2px 6px rgba(255,184,0,0.25);
    flex-shrink: 0;
}
.beta__perk h4 {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 3px;
    letter-spacing: -0.01em;
}
.beta__perk p {
    color: var(--text2);
    font-size: 13px;
    line-height: 1.5;
}


/* ==========================================================================
   12c. COMPAT — supported portals table
   ========================================================================== */

.compat__legend {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 28px;
}

.compat__chip {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 6px 12px;
    border-radius: var(--radius-pill);
    background: rgba(255,255,255,0.04);
    border: 0.5px solid var(--separator);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--text2);
}
html[data-theme="light"] .compat__chip { background: rgba(0,0,0,0.03); }

.compat__chip--live {
    color: var(--green-soft);
    border-color: rgba(48,209,88,0.30);
    background: rgba(48,209,88,0.08);
}
html[data-theme="light"] .compat__chip--live { color: var(--green-deep); }

.compat__chip--soon {
    color: var(--yellow);
    border-color: rgba(255,214,10,0.32);
    background: rgba(255,214,10,0.08);
}
html[data-theme="light"] .compat__chip--soon { color: #B68800; border-color: rgba(216,150,0,0.40); background: rgba(216,150,0,0.10); }

.compat__chip--beta {
    color: var(--orange);
    border-color: rgba(255,159,10,0.30);
    background: rgba(255,159,10,0.08);
}

.compat__chip-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
    flex-shrink: 0;
}
.compat__chip-icon { display: inline-flex; }


.compat__table {
    max-width: var(--maxw-narrow);
    margin: 0 auto;
    background: var(--card);
    border: 0.5px solid var(--separator);
    border-radius: var(--radius-card);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    overflow: hidden;
}

.compat__row {
    display: grid;
    grid-template-columns: 1.4fr 1fr auto;
    align-items: center;
    gap: 24px;
    padding: 16px 24px;
    border-bottom: 0.5px solid var(--separator);
    transition: background 0.2s var(--ease);
}
.compat__row:last-child { border-bottom: none; }
.compat__row:not(.compat__row--head):hover { background: rgba(255,255,255,0.025); }
html[data-theme="light"] .compat__row:not(.compat__row--head):hover { background: rgba(0,0,0,0.02); }

.compat__row--head {
    background: rgba(255,255,255,0.03);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text3);
    padding-top: 14px;
    padding-bottom: 14px;
}
html[data-theme="light"] .compat__row--head { background: rgba(0,0,0,0.03); }

.compat__brand {
    font-family: var(--font-display);
    font-size: 15px;
    color: var(--text);
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}
.compat__brand strong {
    font-weight: 500;
    letter-spacing: -0.01em;
}
.compat__brand small {
    font-size: 11px;
    color: var(--text3);
    font-weight: 400;
    line-height: 1.3;
}

.compat__portal {
    color: var(--text2);
    font-size: 14px;
    font-weight: 400;
    min-width: 0;
}

.compat__status {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 5px 11px;
    border-radius: var(--radius-pill);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    justify-self: end;
    white-space: nowrap;
}
.compat__status--live {
    color: var(--green-soft);
    background: rgba(48,209,88,0.10);
    border: 0.5px solid rgba(48,209,88,0.30);
}
html[data-theme="light"] .compat__status--live { color: var(--green-deep); }

.compat__status--soon {
    color: var(--yellow);
    background: rgba(255,214,10,0.10);
    border: 0.5px solid rgba(255,214,10,0.30);
}
html[data-theme="light"] .compat__status--soon { color: #B68800; background: rgba(216,150,0,0.10); border-color: rgba(216,150,0,0.30); }

.compat__status--beta {
    color: var(--orange);
    background: rgba(255,159,10,0.10);
    border: 0.5px solid rgba(255,159,10,0.30);
}

.compat__note {
    text-align: center;
    margin-top: 24px;
    color: var(--text2);
    font-size: 14px;
}
.compat__note a {
    color: var(--yellow);
    font-weight: 500;
    border-bottom: 0.5px solid currentColor;
    transition: opacity 0.2s var(--ease);
}
html[data-theme="light"] .compat__note a { color: #B68800; }
.compat__note a:hover { opacity: 0.78; }


/* ==========================================================================
   12d. MODAL — beta request form
   ========================================================================== */

.modal {
    border: none;
    padding: 0;
    margin: auto;
    max-width: 560px;
    width: calc(100% - 32px);
    max-height: 90vh;
    color: var(--text);
    background: transparent;
    overflow: visible;
}

.modal::backdrop {
    background: rgba(0, 0, 0, 0.62);
    -webkit-backdrop-filter: blur(8px) saturate(160%);
    backdrop-filter: blur(8px) saturate(160%);
    animation: modal-backdrop-in 0.3s var(--ease);
}
html[data-theme="light"] .modal::backdrop {
    background: rgba(0, 0, 0, 0.45);
}

.modal[open] .modal__inner {
    animation: modal-in 0.4s var(--ease-spring);
}

.modal__inner {
    position: relative;
    background: var(--card-solid);
    border: 0.5px solid var(--separator);
    border-radius: var(--radius-card);
    padding: clamp(28px, 4vw, 40px);
    box-shadow: var(--shadow-elev);
    max-height: 88vh;
    overflow-y: auto;
}

@keyframes modal-backdrop-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}
@keyframes modal-in {
    from { opacity: 0; transform: translateY(20px) scale(0.96); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

.modal__close {
    position: absolute;
    top: 18px;
    right: 18px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 0.5px solid var(--separator);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text2);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease-spring);
    cursor: pointer;
}
.modal__close:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text);
    transform: rotate(90deg);
}
html[data-theme="light"] .modal__close {
    background: rgba(0, 0, 0, 0.04);
}
html[data-theme="light"] .modal__close:hover {
    background: rgba(0, 0, 0, 0.08);
}

.modal__head {
    margin-bottom: 24px;
    padding-right: 40px; /* space for close */
}

.modal__eyebrow-pill {
    display: inline-block;
    padding: 4px 10px;
    background: rgba(255, 214, 10, 0.10);
    border: 0.5px solid rgba(255, 214, 10, 0.35);
    border-radius: var(--radius-pill);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.14em;
    color: var(--yellow);
}
html[data-theme="light"] .modal__eyebrow-pill {
    color: #B68800;
    background: rgba(216, 150, 0, 0.10);
    border-color: rgba(216, 150, 0, 0.35);
}

.modal__title {
    font-family: var(--font-display);
    font-size: clamp(22px, 2.4vw, 28px);
    font-weight: 400;
    letter-spacing: -0.02em;
    color: var(--text);
    margin: 12px 0 6px;
}

.modal__sub {
    color: var(--text2);
    font-size: 14px;
    line-height: 1.5;
}

.modal__form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}

.field__label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text2);
    letter-spacing: 0.02em;
}
.field__req { color: var(--red); margin-left: 2px; }
.field__opt { color: var(--text3); font-weight: 400; margin-left: 6px; font-size: 11px; }

.field input,
.field select,
.field textarea {
    padding: 12px 14px;
    background: rgba(255, 255, 255, 0.04);
    border: 0.5px solid var(--separator);
    border-radius: var(--radius-btn);
    color: var(--text);
    font-family: var(--font-text);
    font-size: 15px;
    transition: border-color 0.2s var(--ease), background 0.2s var(--ease), box-shadow 0.2s var(--ease);
    width: 100%;
    appearance: none;
    -webkit-appearance: none;
}
html[data-theme="light"] .field input,
html[data-theme="light"] .field select,
html[data-theme="light"] .field textarea {
    background: rgba(0, 0, 0, 0.025);
}

.field input::placeholder,
.field textarea::placeholder {
    color: var(--text3);
}

.field input:hover,
.field select:hover,
.field textarea:hover {
    border-color: rgba(255, 255, 255, 0.18);
}
html[data-theme="light"] .field input:hover,
html[data-theme="light"] .field select:hover,
html[data-theme="light"] .field textarea:hover {
    border-color: rgba(0, 0, 0, 0.18);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--blue);
    background: rgba(10, 132, 255, 0.04);
    box-shadow: 0 0 0 3px rgba(10, 132, 255, 0.15);
}

.field input[aria-invalid="true"],
.field select[aria-invalid="true"],
.field textarea[aria-invalid="true"] {
    border-color: var(--red);
    background: rgba(255, 69, 58, 0.04);
}

.field textarea {
    resize: vertical;
    min-height: 84px;
    line-height: 1.5;
}

/* Custom select chevron */
.field select {
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path d='M4 6l4 4 4-4' fill='none' stroke='%238a8fa3' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/></svg>");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 14px;
    padding-right: 36px;
}

.field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.modal__actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 8px;
}

.modal__legal {
    text-align: center;
    font-size: 12px;
    color: var(--text3);
    line-height: 1.5;
    margin-top: 4px;
}
.modal__legal a {
    color: var(--blue);
    font-weight: 500;
    transition: opacity 0.2s var(--ease);
}
.modal__legal a:hover { opacity: 0.78; }


/* ==========================================================================
   12e. TOAST — feedback notifications
   ========================================================================== */

.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
    max-width: calc(100% - 40px);
}

/* Toast container dentro al <dialog>: quando il modal è in top-layer,
   il body è coperto e la versione "fixed" sparirebbe. Questo container
   resta dentro al dialog e galleggia in alto a destra rispetto al modal. */
.toast-container--modal {
    position: absolute;
    top: 12px;
    right: 12px;
    left: auto;
    max-width: calc(100% - 24px);
}

.toast {
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    border: 0.5px solid var(--separator);
    color: var(--text);
    padding: 14px 18px;
    border-radius: 14px;
    font-size: 14px;
    line-height: 1.45;
    box-shadow: var(--shadow-elev);
    max-width: 380px;
    pointer-events: auto;
    animation: toast-in 0.35s var(--ease-spring);
}
.toast--info    { border-left: 3px solid var(--blue);  }
.toast--success { border-left: 3px solid var(--green); }
.toast--error   { border-left: 3px solid var(--red);   }
.toast--out     { animation: toast-out 0.3s var(--ease) forwards; }

@keyframes toast-in {
    from { opacity: 0; transform: translateY(-14px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes toast-out {
    from { opacity: 1; transform: translateY(0); }
    to   { opacity: 0; transform: translateY(-10px); }
}


/* ==========================================================================
   13. REVEAL ANIMATIONS
   ========================================================================== */

.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s var(--ease-emph), transform 0.7s var(--ease-emph);
    will-change: opacity, transform;
}
.reveal.in-view {
    opacity: 1;
    transform: translateY(0);
}


/* ==========================================================================
   14. RESPONSIVE
   ========================================================================== */

@media (max-width: 960px) {
    .brands__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .features__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .beta__inner { grid-template-columns: 1fr; }
    .footer__grid {
        grid-template-columns: 1fr 1fr;
    }
    .footer__col--brand {
        grid-column: 1 / -1;
        margin-bottom: 12px;
    }
}

@media (max-width: 720px) {
    .nav {
        grid-template-columns: auto 1fr auto;
        column-gap: 12px;
        padding: 0 16px;
    }
    .nav__menu { display: none; }
    .brands__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

    .beta__inner { padding: 28px 22px; }
    .beta__seal { top: 14px; right: 14px; padding: 4px 10px; font-size: 10px; letter-spacing: 0.16em; }
    .beta__cta { flex-direction: column; align-items: flex-start; gap: 14px; }
    .beta__title { font-size: clamp(28px, 8vw, 38px); }

    /* compat table → card stack su mobile */
    .compat__row {
        grid-template-columns: 1fr;
        gap: 6px;
        padding: 18px 20px;
        position: relative;
    }
    .compat__row--head { display: none; }
    .compat__brand strong { font-size: 16px; }
    .compat__portal { font-size: 13px; color: var(--text3); }
    .compat__status {
        position: absolute;
        top: 18px;
        right: 20px;
        font-size: 10px;
        padding: 4px 9px;
    }
    .compat__legend { gap: 6px; }
    .compat__chip { font-size: 10px; padding: 5px 10px; }

    /* modal mobile */
    .modal { width: calc(100% - 16px); }
    .modal__inner { padding: 24px 20px; }
    .modal__head { padding-right: 36px; }
    .field-row { grid-template-columns: 1fr; }
    .modal__actions { flex-direction: column-reverse; gap: 8px; }
    .modal__actions .btn { width: 100%; }
    .toast-container { top: 16px; right: 16px; left: 16px; }
    .toast { max-width: 100%; }

    .hero {
        grid-template-columns: 1fr;
        row-gap: 40px;
        padding: 36px 20px 60px;
        min-height: 0;
        text-align: left;
    }
    .hero__col--visual {
        min-height: 0;
        order: -1;
    }
    .hero-sun {
        width: clamp(200px, 60vw, 280px);
    }
    .hero__title {
        font-size: clamp(40px, 11vw, 64px);
    }
    .hero__proof {
        gap: 12px;
    }
    .hero__proof-list { gap: 18px; }
    .hero__proof-list img { height: 16px; }

    .features__grid {
        grid-template-columns: 1fr;
    }
    .footer__grid { grid-template-columns: 1fr; }

    .mock__card-body {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 18px;
    }
    .mock__ring { margin: 0 auto; }
    .mock__ratios { grid-template-columns: repeat(3, 1fr); gap: 8px; }
    .mock__ratio-num { font-size: 18px; }

    .cta-band {
        flex-direction: column;
        text-align: center;
        padding: 28px 24px;
    }
}

@media (max-width: 460px) {
    .btn--ghost { padding: 0 10px; font-size: 12px; }
    .lang-toggle button { padding: 4px 8px; }
    .nav { column-gap: 8px; }
    .section__title { font-size: clamp(28px, 7vw, 40px); }
    .mock__appbar-right .mock__chip { display: none; }
    .mock__card { padding: 18px; }
    .footer__bottom { flex-direction: column; align-items: flex-start; gap: 16px; }
}


/* ==========================================================================
   15. ACCESSIBILITY — reduced motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
    .reveal { opacity: 1; transform: none; }
    .hero-sun__svg,
    .hero-sun__rays,
    .hero-sun__halo,
    .hero-sun__orbit,
    .brand-sun svg,
    .brand-sun__rays,
    .mock__appbar-sun {
        animation: none !important;
    }
    .flow-line { animation: none !important; }
    .ambient__halo, .ambient__grain { animation: none !important; }
}