/* ============================================================
   DevCore — Apple-Style Premium Website
   Clean. Minimal. Powerful.
   ============================================================ */

/* ── Variables ─────────────────────────────────────────────── */
:root {
    --color-primary: #00AEEF;
    --color-primary-rgb: 0, 174, 239;
    --color-green: #34C759;
    --color-green-rgb: 52, 199, 89;
    --color-orange: #FF9F0A;
    --color-orange-rgb: 255, 159, 10;

    --color-bg: #000000;
    --color-bg-elevated: #0a0a0a;
    --color-surface: #111111;
    --color-surface-2: #1a1a1a;
    --color-border: rgba(255,255,255,0.06);
    --color-text: #f5f5f7;
    --color-text-secondary: #86868b;
    --color-text-muted: #48484a;

    --font: 'DM Sans', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Helvetica Neue', sans-serif;
    --header-h: 52px;
    --color-gold: #D4A843;
    --color-gold-rgb: 212, 168, 67;

    --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-h);
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font);
    font-size: 17px;
    line-height: 1.47;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font: inherit; color: inherit; border: none; background: none; outline: none; }
button { cursor: pointer; }
::selection { background: rgba(var(--color-primary-rgb), 0.3); }

/* ── Container ─────────────────────────────────────────────── */
.container {
    max-width: 1060px;
    margin: 0 auto;
    padding: 0 24px;
}

.container--wide {
    max-width: 1400px;
}

/* ── Section ───────────────────────────────────────────────── */
.section {
    padding: 120px 0;
    position: relative;
}

.section--dark {
    background: var(--color-bg-elevated);
}

.section__eyebrow {
    display: block;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--color-text-secondary);
    margin-bottom: 12px;
}

.section__eyebrow--blue { color: var(--color-primary); }
.section__eyebrow--green { color: var(--color-green); }
.section__eyebrow--orange { color: var(--color-orange); }

.section__title {
    font-size: clamp(40px, 5.5vw, 64px);
    font-weight: 700;
    letter-spacing: -0.035em;
    line-height: 1.06;
    color: var(--color-text);
}

.section__title--center { text-align: center; }

.section__subtitle {
    font-size: 21px;
    font-weight: 400;
    color: var(--color-text-secondary);
    line-height: 1.38;
    max-width: 600px;
    margin-top: 20px;
}

.section__subtitle--center {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-primary), #66d4ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient--green {
    background: linear-gradient(135deg, var(--color-green), #7ae89e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient--orange {
    background: linear-gradient(135deg, var(--color-orange), #ffc84d);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 17px;
    font-weight: 400;
    padding: 12px 24px;
    border-radius: 980px;
    transition: all 0.3s var(--ease);
    white-space: nowrap;
}

.btn--primary {
    background: var(--color-primary);
    color: #000;
    font-weight: 600;
}

.btn--primary:hover {
    background: #33c1ff;
    transform: scale(1.04);
}

.btn--ghost {
    color: var(--color-primary);
    font-weight: 400;
}

.btn--ghost:hover {
    text-decoration: underline;
}

.btn--glass {
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--color-text);
}

.btn--glass:hover {
    background: rgba(255,255,255,0.14);
    border-color: rgba(255,255,255,0.2);
}

.btn--lg {
    padding: 16px 32px;
    font-size: 19px;
}

/* ── Cursor Glow ──────────────────────────────────────────── */
.cursor-glow {
    position: fixed;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(var(--color-primary-rgb), 0.06), transparent 70%);
    pointer-events: none;
    z-index: 0;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s;
    opacity: 0;
    will-change: transform;
}

.cursor-glow.active {
    opacity: 1;
}

/* ── Preloader ─────────────────────────────────────────────── */
.preloader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.preloader.loaded {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.preloader__inner {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.preloader__slash {
    width: 28px;
    height: 70px;
    animation: preloaderPulse 1.2s ease-in-out infinite;
}

.preloader__ring {
    position: absolute;
    width: 90px;
    height: 90px;
    border: 1.5px solid transparent;
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: preloaderSpin 1s linear infinite;
}

@keyframes preloaderPulse {
    0%, 100% { opacity: 0.3; transform: scale(0.95); }
    50% { opacity: 1; transform: scale(1); }
}

@keyframes preloaderSpin {
    to { transform: rotate(360deg); }
}

/* ── Header ────────────────────────────────────────────────── */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-h);
    transition: all 0.4s var(--ease);
    background: rgba(0,0,0,0.8);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
}

.header.scrolled {
    border-bottom: 1px solid var(--color-border);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: 1060px;
    margin: 0 auto;
    padding: 0 24px;
}

.nav__logo-svg {
    height: 22px;
    width: auto;
    color: var(--color-text);
    transition: opacity 0.2s;
}

.nav__logo:hover .nav__logo-svg { opacity: 0.7; }

.nav__menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav__link {
    font-size: 12px;
    font-weight: 400;
    color: var(--color-text-secondary);
    letter-spacing: 0;
    transition: color 0.2s;
}

.nav__link:hover, .nav__link.active {
    color: var(--color-text);
}

.nav__actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Language Switcher */
.lang-switcher { position: relative; }

.lang-switcher__current {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    font-weight: 400;
    color: var(--color-text-secondary);
    padding: 6px 10px;
    border-radius: 6px;
    transition: color 0.2s;
}

.lang-switcher__current:hover { color: var(--color-text); }

.lang-switcher__arrow {
    transition: transform 0.2s;
}

.lang-switcher__current[aria-expanded="true"] .lang-switcher__arrow {
    transform: rotate(180deg);
}

.lang-switcher__dropdown {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 140px;
    background: rgba(30,30,30,0.98);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    padding: 4px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px) scale(0.98);
    transition: all 0.2s var(--ease-out-expo);
}

.lang-switcher__dropdown.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.lang-switcher__dropdown li {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    font-size: 13px;
    border-radius: 8px;
    cursor: pointer;
    color: var(--color-text-secondary);
    transition: all 0.15s;
}

.lang-switcher__dropdown li:hover {
    background: rgba(255,255,255,0.06);
    color: var(--color-text);
}

.lang-switcher__dropdown li.active {
    color: var(--color-text);
}

.lang-switcher__flag {
    font-weight: 600;
    font-size: 11px;
    letter-spacing: 0.03em;
}

/* Burger */
.nav__burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 20px;
    z-index: 10;
}

.nav__burger span {
    display: block;
    width: 100%;
    height: 1.5px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all 0.3s;
    transform-origin: center;
}

.nav__burger.active span:nth-child(1) { transform: rotate(45deg) translate(4.5px, 4.5px); }
.nav__burger.active span:nth-child(2) { opacity: 0; }
.nav__burger.active span:nth-child(3) { transform: rotate(-45deg) translate(4.5px, -4.5px); }

.nav__cta {
    font-size: 12px;
    padding: 8px 16px;
    border-radius: 980px;
    background: var(--color-primary);
    color: #000;
    font-weight: 600;
    transition: all 0.2s;
}

.nav__cta:hover { background: #33c1ff; }

/* ── Hero ──────────────────────────────────────────────────── */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    padding: calc(var(--header-h) + 40px) 24px 80px;
}

.hero__bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.blockchain-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.85;
    pointer-events: none;
}

.hero__glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(150px);
    opacity: 0.08;
}

.hero__glow--1 {
    width: 800px;
    height: 800px;
    background: var(--color-primary);
    top: -300px;
    left: 50%;
    transform: translateX(-50%);
    animation: glowFloat 12s ease-in-out infinite alternate;
}

.hero__glow--2 {
    width: 600px;
    height: 600px;
    background: var(--color-gold);
    bottom: -200px;
    right: -200px;
    animation: glowFloat2 15s ease-in-out infinite alternate;
}

@keyframes glowFloat {
    0% { transform: translateX(-50%) scale(1); opacity: 0.08; }
    100% { transform: translateX(-50%) scale(1.15); opacity: 0.12; }
}

@keyframes glowFloat2 {
    0% { opacity: 0.04; transform: scale(1); }
    100% { opacity: 0.07; transform: scale(1.2); }
}

/* KZ ornamental pattern overlay */
.hero__ornament {
    position: absolute;
    inset: 0;
    opacity: 0.015;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 5 L35 15 L30 25 L25 15 Z' fill='%23D4A843' /%3E%3Cpath d='M30 35 L35 45 L30 55 L25 45 Z' fill='%23D4A843' /%3E%3Cpath d='M5 30 L15 35 L25 30 L15 25 Z' fill='%23D4A843' /%3E%3Cpath d='M35 30 L45 35 L55 30 L45 25 Z' fill='%23D4A843' /%3E%3C/svg%3E");
    background-size: 120px 120px;
    pointer-events: none;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px 8px 14px;
    border-radius: 980px;
    background: rgba(var(--color-gold-rgb), 0.08);
    border: 1px solid rgba(var(--color-gold-rgb), 0.15);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-gold);
    margin-bottom: 36px;
    letter-spacing: 0.01em;
}

.hero__badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-gold);
    animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {
    0%, 100% { opacity: 0.4; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.3); }
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: 1000px;
}

/* Hero Stats */
.hero__stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    margin-top: 60px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s var(--ease-out-expo) 0.8s;
}

.hero__stats.revealed {
    opacity: 1;
    transform: translateY(0);
}

.hero__stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.hero__stat-num {
    font-size: 42px;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--color-text);
}

.hero__stat-label {
    font-size: 14px;
    color: var(--color-text-muted);
    font-weight: 400;
}

.hero__stat-divider {
    width: 1px;
    height: 32px;
    background: var(--color-border);
}

.hero__title {
    font-size: clamp(52px, 9vw, 110px);
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1.04;
    margin-bottom: 28px;
}

.hero__title-line {
    display: block;
    overflow: hidden;
}

.hero__title-word {
    display: inline-block;
    transform: translateY(100%);
    opacity: 0;
    transition: transform 0.8s var(--ease-out-expo), opacity 0.8s var(--ease-out-expo);
}

.hero__title-word.revealed {
    transform: translateY(0);
    opacity: 1;
}

.hero__slash {
    display: inline-block;
    color: var(--color-primary);
    -webkit-text-fill-color: var(--color-primary);
    font-weight: 300;
    opacity: 0;
    transition: opacity 0.8s ease 0.6s;
}

.hero__slash.revealed { opacity: 1; }

.hero__subtitle {
    font-size: clamp(20px, 2.8vw, 26px);
    color: var(--color-text-secondary);
    line-height: 1.45;
    max-width: 680px;
    margin: 0 auto 44px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s var(--ease-out-expo) 0.4s;
}

.hero__subtitle.revealed {
    opacity: 1;
    transform: translateY(0);
}

.hero__actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s var(--ease-out-expo) 0.6s;
}

.hero__actions.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ── Marquee ───────────────────────────────────────────────── */
.marquee {
    overflow: hidden;
    padding: 40px 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}

.marquee__track {
    display: flex;
    width: max-content;
    animation: marqueeScroll 30s linear infinite;
}

.marquee:hover .marquee__track {
    animation-play-state: paused;
}

.marquee__item {
    font-size: clamp(36px, 5vw, 60px);
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--color-text-muted);
    white-space: nowrap;
    padding: 0 40px;
    transition: color 0.3s;
}

.marquee__item:hover {
    color: var(--color-text-secondary);
}

.marquee__dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-primary);
    vertical-align: middle;
    margin: 0 40px;
    opacity: 0.5;
}

@keyframes marqueeScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ── Advantages — Horizontal Scroll ────────────────────────── */
.advantages {
    height: 300vh;
    position: relative;
}

.advantages__sticky {
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
    padding: 80px 0 40px;
}

.advantages__track {
    display: flex;
    gap: 24px;
    padding: 40px 24px 40px 0;
    margin-top: 40px;
    will-change: transform;
    transition: transform 0.1s linear;
}

.adv-card {
    flex: 0 0 360px;
    padding: 40px;
    border-radius: 24px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
    transition: all 0.4s var(--ease-out-expo);
}

.adv-card:hover {
    border-color: rgba(var(--color-primary-rgb), 0.2);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.3), 0 0 40px rgba(var(--color-primary-rgb), 0.04);
}

.adv-card__num {
    font-size: 64px;
    font-weight: 800;
    letter-spacing: -0.05em;
    line-height: 1;
    background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.15), transparent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

.adv-card__title {
    font-size: 21px;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 10px;
}

.adv-card__text {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.55;
}

/* Glowing card border on hover */
.service-card::after,
.eco-card::after,
.bento__card::after {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    background: conic-gradient(from 180deg, transparent 60%, rgba(var(--color-primary-rgb), 0.15) 75%, transparent 90%);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.5s;
}

.service-card:hover::after,
.eco-card:hover::after,
.bento__card:hover::after {
    opacity: 1;
}

/* ── Text Reveal Section ───────────────────────────────────── */
.text-reveal {
    padding: 160px 0;
}

.text-reveal__text {
    font-size: clamp(28px, 4vw, 48px);
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.025em;
    max-width: 960px;
    margin: 0 auto;
    text-align: center;
}

.text-reveal__word {
    display: inline-block;
    margin: 0 0.15em;
    color: var(--color-text-muted);
    transition: color 0.5s ease;
}

.text-reveal__word.revealed {
    color: var(--color-text);
}

/* ── Services ──────────────────────────────────────────────── */
.services {
    padding: 160px 0 120px;
}

.services__header {
    text-align: center;
    margin-bottom: 80px;
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.service-card {
    position: relative;
    padding: 48px 36px;
    border-radius: 24px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: all 0.5s var(--ease-out-expo);
    cursor: default;
    min-height: 440px;
    display: flex;
    flex-direction: column;
}

.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 24px;
    opacity: 0;
    transition: opacity 0.5s;
}

.service-card--blue::before {
    background: radial-gradient(ellipse at 50% 0%, rgba(var(--color-primary-rgb), 0.08) 0%, transparent 70%);
}

.service-card--green::before {
    background: radial-gradient(ellipse at 50% 0%, rgba(var(--color-green-rgb), 0.08) 0%, transparent 70%);
}

.service-card--orange::before {
    background: radial-gradient(ellipse at 50% 0%, rgba(var(--color-orange-rgb), 0.08) 0%, transparent 70%);
}

.service-card:hover::before { opacity: 1; }

.service-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255,255,255,0.1);
    box-shadow: 0 30px 80px rgba(0,0,0,0.4);
}

.service-card__logo {
    height: 32px;
    width: auto;
    object-fit: contain;
    object-position: left;
    margin-bottom: 24px;
    opacity: 0.9;
}

.service-card__num {
    font-size: 80px;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.05em;
    opacity: 0.04;
    position: absolute;
    top: 24px;
    right: 36px;
}

.service-card__title {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.service-card__desc {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.55;
    margin-bottom: 32px;
    flex: 1;
}

.service-card__list {
    margin-bottom: 32px;
}

.service-card__list li {
    font-size: 14px;
    color: var(--color-text-secondary);
    padding: 6px 0;
    padding-left: 16px;
    position: relative;
    line-height: 1.4;
}

.service-card__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    width: 4px;
    height: 4px;
    border-radius: 50%;
}

.service-card--blue .service-card__list li::before { background: var(--color-primary); }
.service-card--green .service-card__list li::before { background: var(--color-green); }
.service-card--orange .service-card__list li::before { background: var(--color-orange); }

.service-card__link {
    font-size: 17px;
    font-weight: 400;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: gap 0.3s var(--ease-out-expo);
    margin-top: auto;
}

.service-card--blue .service-card__link { color: var(--color-primary); }
.service-card--green .service-card__link { color: var(--color-green); }
.service-card--orange .service-card__link { color: var(--color-orange); }

.service-card__link:hover { gap: 8px; }
.service-card__link::after { content: '\203A'; font-size: 22px; }

/* ── Solutions Bento Grid ──────────────────────────────────── */
.solutions {
    padding: 160px 0;
}

.solutions__header {
    text-align: center;
    margin-bottom: 80px;
}

.bento {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 240px;
    gap: 16px;
}

.bento__card {
    padding: 32px;
    border-radius: 20px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    transition: all 0.4s var(--ease-out-expo);
    position: relative;
    overflow: hidden;
}

.bento__card:hover {
    transform: scale(1.02);
    border-color: rgba(255,255,255,0.1);
}

.bento__card--wide { grid-column: span 2; }
.bento__card--full { grid-column: 1 / -1; }
.bento__card--tall { grid-row: span 2; }

.bento__icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    background: rgba(var(--color-primary-rgb), 0.1);
    color: var(--color-primary);
}

.bento__icon--green { background: rgba(var(--color-green-rgb), 0.1); color: var(--color-green); }
.bento__icon--orange { background: rgba(var(--color-orange-rgb), 0.1); color: var(--color-orange); }

.bento__title {
    font-size: 21px;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin-bottom: 6px;
}

.bento__text {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* ── Bento Tap Indicator ───────────────────────────────────── */
.bento__card[data-bento] { cursor: pointer; }

.bento__tap {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    transition: all 0.3s var(--ease);
    opacity: 0;
}

.bento__card:hover .bento__tap {
    opacity: 1;
    background: rgba(var(--color-primary-rgb), 0.15);
    color: var(--color-primary);
}

/* ── Glass Modal (iOS 26 style) ───────────────────────────── */
.glass-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s var(--ease-out-expo), visibility 0.4s;
}

.glass-modal.open {
    pointer-events: auto;
    opacity: 1;
    visibility: visible;
}

.glass-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    backdrop-filter: blur(20px) saturate(180%);
    transition: opacity 0.4s var(--ease-out-expo);
}

.glass-modal__panel {
    position: relative;
    width: 90%;
    max-width: 520px;
    max-height: 80vh;
    overflow-y: auto;
    padding: 40px;
    border-radius: 28px;
    background: rgba(30, 30, 30, 0.65);
    -webkit-backdrop-filter: blur(60px) saturate(200%);
    backdrop-filter: blur(60px) saturate(200%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow:
        0 0 0 0.5px rgba(255,255,255,0.05),
        0 24px 80px rgba(0, 0, 0, 0.5),
        0 0 60px rgba(var(--color-primary-rgb), 0.06);
    transform: scale(0.92) translateY(30px);
    transition: transform 0.5s var(--ease-spring), opacity 0.4s var(--ease-out-expo);
    opacity: 0;
}

.glass-modal.open .glass-modal__panel {
    transform: scale(1) translateY(0);
    opacity: 1;
}

.glass-modal__close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s var(--ease);
}

.glass-modal__close:hover {
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-text);
    transform: rotate(90deg);
}

.glass-modal__icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    background: rgba(var(--color-primary-rgb), 0.12);
    color: var(--color-primary);
}

.glass-modal__icon--green { background: rgba(var(--color-green-rgb), 0.12); color: var(--color-green); }
.glass-modal__icon--orange { background: rgba(var(--color-orange-rgb), 0.12); color: var(--color-orange); }

.glass-modal__title {
    font-size: 26px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
    color: var(--color-text);
}

.glass-modal__desc {
    font-size: 16px;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 24px;
}

.glass-modal__details {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 28px;
}

.glass-modal__detail-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 14px;
    color: var(--color-text);
    transition: all 0.25s var(--ease);
}

.glass-modal__detail-item:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(var(--color-primary-rgb), 0.2);
}

.glass-modal__detail-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-primary);
    flex-shrink: 0;
}

.glass-modal__detail-item--green .glass-modal__detail-dot { background: var(--color-green); }
.glass-modal__detail-item--orange .glass-modal__detail-dot { background: var(--color-orange); }

.glass-modal__cta {
    width: 100%;
    text-align: center;
    display: block;
}

/* ── Tech Stack ────────────────────────────────────────────── */
.tech {
    padding: 120px 0;
}

.tech__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 60px;
}

.tech__card {
    padding: 28px;
    border-radius: 16px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    transition: all 0.3s;
}

.tech__card:hover {
    border-color: rgba(255,255,255,0.12);
    transform: translateY(-2px);
}

.tech__card-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.tech__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tech__tag {
    padding: 4px 10px;
    font-size: 13px;
    font-weight: 400;
    color: var(--color-text-secondary);
    background: rgba(255,255,255,0.04);
    border-radius: 6px;
    transition: all 0.2s;
}

.tech__tag:hover {
    background: rgba(255,255,255,0.08);
    color: var(--color-text);
}

/* ── CTA ───────────────────────────────────────────────────── */
.cta {
    padding: 200px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta__bg {
    position: absolute;
    width: 700px;
    height: 500px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: radial-gradient(ellipse, rgba(var(--color-primary-rgb), 0.06), transparent 70%);
    pointer-events: none;
}

.cta__title {
    font-size: clamp(48px, 7vw, 80px);
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1.06;
    margin-bottom: 24px;
    position: relative;
}

.cta__text {
    font-size: 21px;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
    max-width: 440px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}

/* ── Contact ───────────────────────────────────────────────── */
.contact {
    padding: 120px 0;
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact__form {
    padding: 40px;
    border-radius: 24px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
}

.form__group { margin-bottom: 20px; }

.form__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form__label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: 6px;
}

.form__input {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    color: var(--color-text);
    font-size: 17px;
    transition: all 0.2s;
}

.form__input::placeholder { color: var(--color-text-muted); }

.form__input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.12);
}

.form__select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%2348484a' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

textarea.form__input { resize: vertical; min-height: 120px; }

.contact__info {
    display: flex;
    flex-direction: column;
    gap: 24px;
    padding-top: 20px;
}

.contact__info-card h3 {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.contact__info-card p,
.contact__info-card a {
    font-size: 21px;
    font-weight: 500;
}

.contact__info-card a:hover { color: var(--color-primary); }

/* ── Footer ────────────────────────────────────────────────── */
.footer {
    padding: 48px 0 32px;
    border-top: 1px solid var(--color-border);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 20px;
}

.footer__logo-svg {
    height: 20px;
    width: auto;
    color: var(--color-text-muted);
    margin-bottom: 12px;
}

.footer__tagline {
    font-size: 13px;
    color: var(--color-text-muted);
}

.footer__links h4 {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-muted);
    letter-spacing: 0.03em;
    margin-bottom: 16px;
}

.footer__links li {
    margin-bottom: 8px;
}

.footer__links a {
    font-size: 13px;
    color: var(--color-text-secondary);
    transition: color 0.15s;
}

.footer__links a:hover { color: var(--color-text); }

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer__bottom p {
    font-size: 12px;
    color: var(--color-text-muted);
}

.footer__legal {
    display: flex;
    gap: 24px;
}

.footer__legal a {
    font-size: 12px;
    color: var(--color-text-muted);
}

.footer__legal a:hover { color: var(--color-text); }

/* ── Kazakhstan Ecosystem ─────────────────────────────────── */
.ecosystem {
    padding: 160px 0;
    position: relative;
    overflow: hidden;
}

.ecosystem__header {
    margin-bottom: 80px;
}

/* Eco Stats Row */
.eco-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.eco-stats__item {
    text-align: center;
    padding: 32px 16px;
    border-radius: 20px;
    background: rgba(var(--color-gold-rgb), 0.03);
    border: 1px solid rgba(var(--color-gold-rgb), 0.08);
    transition: all 0.4s var(--ease-out-expo);
}

.eco-stats__item:hover {
    background: rgba(var(--color-gold-rgb), 0.06);
    border-color: rgba(var(--color-gold-rgb), 0.15);
    transform: translateY(-4px);
}

.eco-stats__num {
    display: block;
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--color-gold);
    margin-bottom: 4px;
}

.eco-stats__label {
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.4;
}

/* Eco Partner Cards */
.eco-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.eco-card {
    position: relative;
    padding: 32px;
    border-radius: 20px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    transition: all 0.5s var(--ease-out-expo);
    overflow: hidden;
    cursor: pointer;
    min-height: 220px;
}

.eco-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255,255,255,0.1);
    box-shadow: 0 30px 80px rgba(0,0,0,0.3);
}

.eco-card--featured {
    grid-column: span 1;
    grid-row: span 2;
    background: linear-gradient(160deg, rgba(var(--color-gold-rgb), 0.06), var(--color-surface) 60%);
    border-color: rgba(var(--color-gold-rgb), 0.12);
}

.eco-card--featured:hover {
    border-color: rgba(var(--color-gold-rgb), 0.25);
}

.eco-card__glow {
    position: absolute;
    top: -100px;
    left: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(var(--color-gold-rgb), 0.08), transparent 70%);
    pointer-events: none;
}

.eco-card__badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-gold);
    background: rgba(var(--color-gold-rgb), 0.1);
    padding: 4px 10px;
    border-radius: 6px;
    margin-bottom: 20px;
    align-self: flex-start;
}

.eco-card__icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    background: rgba(var(--color-primary-rgb), 0.08);
    color: var(--color-primary);
    transition: all 0.4s var(--ease-out-expo);
}

.eco-card:hover .eco-card__icon {
    transform: scale(1.1);
}

.eco-card__icon--green { background: rgba(var(--color-green-rgb), 0.08); color: var(--color-green); }
.eco-card__icon--orange { background: rgba(var(--color-orange-rgb), 0.08); color: var(--color-orange); }

.eco-card__title {
    font-size: 21px;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 8px;
}

.eco-card__desc {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.55;
    flex: 1;
}

.eco-card__link {
    font-size: 14px;
    color: var(--color-gold);
    margin-top: 16px;
    font-weight: 500;
    transition: letter-spacing 0.3s;
}

.eco-card:hover .eco-card__link {
    letter-spacing: 0.02em;
}

/* ── Magnetic Card Tilt Effect ────────────────────────────── */
.magnetic-hover {
    transition: transform 0.3s var(--ease-out-expo);
}

/* ── Smooth Section Transitions ───────────────────────────── */
.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(to bottom, var(--color-bg), transparent);
    pointer-events: none;
    z-index: 1;
    opacity: 0;
}

.section--dark + .section::before {
    opacity: 0.5;
}

/* ── Scroll Animations ─────────────────────────────────────── */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.96);
    transition: opacity 0.7s var(--ease-out-expo), transform 0.7s var(--ease-out-expo);
}

.reveal-scale.visible {
    opacity: 1;
    transform: scale(1);
}

/* Stagger children animation */
.stagger-children > * {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s var(--ease-out-expo), transform 0.6s var(--ease-out-expo);
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.06s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.12s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.18s; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.24s; }

.stagger-children.visible > * {
    opacity: 1;
    transform: translateY(0);
}

/* Parallax scroll hint */
.reveal-up {
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 1s var(--ease-out-expo), transform 1s var(--ease-out-expo);
}

.reveal-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .services__grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
    .bento { grid-template-columns: 1fr 1fr; }
    .bento__card--wide { grid-column: span 2; }
    .bento__card--full { grid-column: 1 / -1; }
    .tech__grid { grid-template-columns: 1fr 1fr; }
    .contact__grid { grid-template-columns: 1fr; }
    .eco-stats { grid-template-columns: 1fr 1fr; }
    .eco-grid { grid-template-columns: 1fr 1fr; }
    .eco-card--featured { grid-column: span 1; grid-row: span 1; }
}

@media (max-width: 768px) {
    .section { padding: 80px 0; }
    .nav__menu {
        position: fixed;
        top: 0; right: -100%; width: 260px; height: 100vh;
        background: rgba(20,20,20,0.98);
        backdrop-filter: blur(40px);
        -webkit-backdrop-filter: blur(40px);
        flex-direction: column;
        justify-content: center;
        padding: 32px;
        transition: right 0.3s var(--ease-out-expo);
        border-left: 1px solid var(--color-border);
    }
    .nav__menu.open { right: 0; }
    .nav__burger { display: flex; }
    .nav__cta { display: none; }
    .bento { grid-template-columns: 1fr; }
    .bento__card--wide,
    .bento__card--full { grid-column: span 1; }
    .tech__grid { grid-template-columns: 1fr; }
    .eco-stats { grid-template-columns: 1fr 1fr; }
    .eco-grid { grid-template-columns: 1fr; }
    .eco-card--featured { grid-row: span 1; }
    .hero__stats { gap: 24px; flex-wrap: wrap; }
    .advantages { height: auto; }
    .advantages__sticky { position: relative; height: auto; }
    .advantages__track { overflow-x: auto; -webkit-overflow-scrolling: touch; scroll-snap-type: x mandatory; padding-bottom: 16px; }
    .adv-card { flex: 0 0 280px; scroll-snap-align: start; }
    .footer__grid { grid-template-columns: 1fr 1fr; }
    .footer__bottom { flex-direction: column; gap: 12px; text-align: center; }
    .form__row { grid-template-columns: 1fr; }
    .hero__actions { flex-direction: column; align-items: center; }
    .marquee__item { font-size: 28px; padding: 0 20px; }
}