/* ===========================================================
   香港欢牛互动科技有限公司 — Corporate Site
   Theme: Deep Navy + Champagne Gold
   =========================================================== */

:root {
    /* Brand */
    --navy-900: #050E26;
    --navy-800: #0A1F44;
    --navy-700: #122A5B;
    --navy-600: #1B3A77;
    --navy-500: #2A5099;
    --gold-500: #C9A961;
    --gold-400: #D8BD7A;
    --gold-600: #B08F47;
    --gold-light: #F0E4C5;

    --bg: #F8F9FB;
    --bg-2: #FFFFFF;
    --bg-3: #EEF1F6;

    --text: #15213A;
    --text-soft: #4A576E;
    --text-mute: #8893A8;
    --line: #E2E7EF;

    /* Type */
    --serif: 'Cormorant Garamond', 'Times New Roman', 'PingFang SC', 'Microsoft YaHei', serif;
    --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;

    /* Layout */
    --radius: 4px;
    --radius-lg: 12px;
    --container: 1240px;
    --section-pad: 120px;

    /* Effects */
    --shadow-sm: 0 4px 16px rgba(10, 31, 68, 0.06);
    --shadow-md: 0 10px 40px rgba(10, 31, 68, 0.08);
    --shadow-lg: 0 20px 60px rgba(10, 31, 68, 0.12);
    --shadow-gold: 0 10px 30px rgba(201, 169, 97, 0.25);

    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ============== RESET ============== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.3s var(--ease); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; padding: 0; margin: 0; }
input, select, textarea { font-family: inherit; font-size: inherit; }

/* ============== UTILS ============== */
.container { max-width: var(--container); margin: 0 auto; padding: 0 32px; }
.gold { color: var(--gold-500); font-family: var(--serif); font-style: italic; font-weight: 600; }

.eyebrow {
    display: inline-block;
    color: var(--gold-600);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 16px;
    position: relative;
    padding-left: 36px;
}
.eyebrow::before {
    content: '';
    position: absolute;
    left: 0; top: 50%;
    width: 24px; height: 1px;
    background: var(--gold-500);
}

.section-head { text-align: center; max-width: 720px; margin: 0 auto 72px; }
.section-head .eyebrow { padding-left: 36px; padding-right: 36px; }
.section-head .eyebrow::after {
    content: '';
    position: absolute;
    right: 0; top: 50%;
    width: 24px; height: 1px;
    background: var(--gold-500);
}
.section-title {
    font-family: var(--serif);
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 600;
    letter-spacing: 0.02em;
    line-height: 1.2;
    margin: 0 0 20px;
    color: var(--navy-800);
}
.section-desc {
    color: var(--text-soft);
    font-size: 17px;
    margin: 0;
}

/* ============== BUTTONS ============== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 36px;
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 0.05em;
    border-radius: var(--radius);
    transition: all 0.4s var(--ease);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}
.btn .arrow { transition: transform 0.3s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

.btn-primary {
    background: linear-gradient(135deg, var(--gold-500) 0%, var(--gold-400) 100%);
    color: var(--navy-900);
    box-shadow: var(--shadow-gold);
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--gold-400) 0%, var(--gold-500) 100%);
    transform: translateY(-2px);
    box-shadow: 0 14px 36px rgba(201, 169, 97, 0.35);
}

.btn-ghost {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
}
.btn-ghost:hover {
    border-color: var(--gold-500);
    color: var(--gold-400);
    background: rgba(201, 169, 97, 0.08);
}

.btn-block { width: 100%; }

/* ============== NAV ============== */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 20px 0;
    background: transparent;
    transition: all 0.4s var(--ease);
}
.navbar.scrolled {
    background: rgba(10, 31, 68, 0.92);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    padding: 14px 0;
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}
.nav-container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #fff;
}
.logo-mark {
    width: 40px; height: 40px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--gold-500), var(--gold-600));
    color: var(--navy-900);
    font-family: var(--serif);
    font-weight: 700;
    font-size: 17px;
    letter-spacing: 0.04em;
    border-radius: 4px;
    box-shadow: var(--shadow-gold);
}
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-text strong {
    font-family: var(--serif);
    font-size: 19px;
    font-weight: 600;
    letter-spacing: 0.05em;
}
.logo-text em {
    font-style: normal;
    font-size: 9px;
    letter-spacing: 0.22em;
    color: var(--gold-400);
    margin-top: 3px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
}
.nav-link {
    color: rgba(255, 255, 255, 0.85);
    font-size: 15px;
    font-weight: 400;
    position: relative;
    padding: 6px 0;
}
.nav-link::after {
    content: '';
    position: absolute;
    left: 50%; bottom: 0;
    width: 0; height: 1px;
    background: var(--gold-500);
    transition: all 0.3s var(--ease);
    transform: translateX(-50%);
}
.nav-link:hover { color: var(--gold-400); }
.nav-link:hover::after { width: 100%; }

.nav-cta {
    padding: 10px 22px;
    background: var(--gold-500);
    color: var(--navy-900) !important;
    font-weight: 500;
    font-size: 14px;
    border-radius: var(--radius);
    transition: all 0.3s var(--ease);
}
.nav-cta:hover {
    background: var(--gold-400);
    transform: translateY(-1px);
    box-shadow: var(--shadow-gold);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}
.nav-toggle span {
    width: 24px; height: 2px;
    background: #fff;
    transition: all 0.3s var(--ease);
}

/* ============== HERO ============== */
.hero {
    position: relative;
    min-height: 100vh;
    color: #fff;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: 140px 0 80px;
}
.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 0%, var(--navy-600) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 100%, var(--navy-700) 0%, transparent 50%),
        linear-gradient(135deg, var(--navy-900) 0%, var(--navy-800) 50%, var(--navy-700) 100%);
    z-index: -2;
}
.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.5;
    z-index: -1;
}
.hero-glow-1 {
    width: 500px; height: 500px;
    top: -100px; right: -100px;
    background: radial-gradient(circle, var(--gold-500) 0%, transparent 70%);
    opacity: 0.18;
    animation: glow-float 14s var(--ease) infinite alternate;
}
.hero-glow-2 {
    width: 600px; height: 600px;
    bottom: -200px; left: -150px;
    background: radial-gradient(circle, var(--navy-500) 0%, transparent 70%);
    opacity: 0.5;
    animation: glow-float 18s var(--ease) infinite alternate-reverse;
}
@keyframes glow-float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(40px, -40px) scale(1.1); }
}
.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(201, 169, 97, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(201, 169, 97, 0.04) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-inner {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 32px;
    width: 100%;
    text-align: center;
    position: relative;
    z-index: 1;
}
.hero-tag {
    display: inline-block;
    color: var(--gold-400);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.32em;
    margin-bottom: 32px;
    padding: 8px 24px;
    border: 1px solid rgba(201, 169, 97, 0.3);
    border-radius: 999px;
    background: rgba(201, 169, 97, 0.05);
}
.hero-title {
    font-family: var(--serif);
    font-size: clamp(44px, 7vw, 84px);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: 0.02em;
    margin: 0 0 28px;
}
.hero-title .gold-line {
    display: block;
    background: linear-gradient(90deg, var(--gold-400) 0%, var(--gold-500) 50%, var(--gold-light) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-style: italic;
    margin-top: 8px;
}
.hero-sub {
    font-size: 18px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.78);
    max-width: 720px;
    margin: 0 auto 48px;
}
.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 100px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    padding-top: 56px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    max-width: 980px;
    margin: 0 auto;
}
.stat { text-align: center; }
.stat strong {
    font-family: var(--serif);
    font-size: clamp(36px, 4vw, 56px);
    font-weight: 600;
    color: var(--gold-400);
    line-height: 1;
    display: inline-block;
}
.stat sup {
    font-family: var(--serif);
    font-size: 0.5em;
    color: var(--gold-400);
    margin-left: 2px;
}
.stat span {
    display: block;
    margin-top: 12px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 0.1em;
}

.scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px; height: 38px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 999px;
    display: grid;
    place-items: center;
}
.scroll-indicator span {
    width: 2px; height: 8px;
    background: var(--gold-400);
    border-radius: 2px;
    animation: scroll-down 2s ease-in-out infinite;
}
@keyframes scroll-down {
    0% { transform: translateY(-6px); opacity: 0; }
    50% { opacity: 1; }
    100% { transform: translateY(6px); opacity: 0; }
}

/* ============== WHY US ============== */
.why-us {
    padding: var(--section-pad) 0;
    background: var(--bg);
    position: relative;
}
.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}
.why-card {
    padding: 48px 32px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    transition: all 0.5s var(--ease);
    position: relative;
    overflow: hidden;
}
.why-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 3px;
    background: linear-gradient(90deg, var(--gold-500), var(--gold-400));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s var(--ease);
}
.why-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.why-card:hover::before { transform: scaleX(1); }
.why-icon {
    width: 56px; height: 56px;
    display: grid;
    place-items: center;
    color: var(--gold-500);
    background: var(--gold-light);
    border-radius: 12px;
    margin-bottom: 28px;
    transition: all 0.4s var(--ease);
}
.why-icon svg { width: 28px; height: 28px; }
.why-card:hover .why-icon {
    background: var(--gold-500);
    color: #fff;
    transform: rotate(-6deg) scale(1.05);
}
.why-card h3 {
    font-family: var(--serif);
    font-size: 24px;
    font-weight: 600;
    color: var(--navy-800);
    margin: 0 0 14px;
    letter-spacing: 0.02em;
}
.why-card p {
    color: var(--text-soft);
    font-size: 15px;
    line-height: 1.75;
    margin: 0;
}

/* ============== SERVICES ============== */
.services {
    padding: var(--section-pad) 0;
    background:
        radial-gradient(ellipse at top, var(--bg-3) 0%, transparent 50%),
        var(--bg);
    position: relative;
}
.service-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    border-top: 1px solid var(--line);
}
.service-item {
    display: grid;
    grid-template-columns: 100px 1fr 60px;
    align-items: center;
    gap: 40px;
    padding: 44px 32px;
    border-bottom: 1px solid var(--line);
    cursor: pointer;
    transition: all 0.5s var(--ease);
    position: relative;
}
.service-item::before {
    content: '';
    position: absolute;
    left: 0; top: 0;
    width: 0; height: 100%;
    background: linear-gradient(90deg, rgba(201, 169, 97, 0.08), transparent);
    transition: width 0.6s var(--ease);
    pointer-events: none;
}
.service-item:hover {
    padding-left: 56px;
    padding-right: 56px;
}
.service-item:hover::before { width: 100%; }
.service-num {
    font-family: var(--serif);
    font-size: 56px;
    font-weight: 600;
    color: var(--navy-800);
    opacity: 0.18;
    line-height: 1;
    transition: all 0.5s var(--ease);
}
.service-item:hover .service-num {
    color: var(--gold-500);
    opacity: 1;
}
.service-body h3 {
    font-family: var(--serif);
    font-size: 28px;
    font-weight: 600;
    color: var(--navy-800);
    margin: 0 0 4px;
    letter-spacing: 0.02em;
}
.service-en {
    color: var(--gold-600);
    font-size: 12px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin: 0 0 14px;
    font-weight: 500;
}
.service-body > p {
    color: var(--text-soft);
    margin: 0 0 16px;
    max-width: 720px;
}
.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.service-tags li {
    font-size: 12px;
    padding: 5px 14px;
    background: rgba(10, 31, 68, 0.05);
    color: var(--navy-700);
    border-radius: 999px;
    letter-spacing: 0.04em;
}
.service-arrow {
    font-size: 28px;
    color: var(--text-mute);
    transition: all 0.4s var(--ease);
    text-align: right;
}
.service-item:hover .service-arrow {
    color: var(--gold-500);
    transform: translateX(8px);
}

/* ============== CASES ============== */
.cases {
    padding: var(--section-pad) 0;
    background: var(--navy-900);
    color: #fff;
    position: relative;
    overflow: hidden;
}
.cases::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background:
        radial-gradient(circle at 0% 0%, rgba(201, 169, 97, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 100% 100%, rgba(42, 80, 153, 0.3) 0%, transparent 40%);
}
.cases > .container { position: relative; }
.cases .section-title { color: #fff; }
.cases .section-desc { color: rgba(255, 255, 255, 0.7); }
.cases .eyebrow { color: var(--gold-400); }

.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-bottom: 96px;
}
.case-card {
    padding: 40px 32px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    transition: all 0.5s var(--ease);
    backdrop-filter: blur(10px);
}
.case-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(201, 169, 97, 0.4);
    transform: translateY(-6px);
}
.case-tag {
    display: inline-block;
    font-size: 11px;
    letter-spacing: 0.2em;
    color: var(--gold-400);
    padding: 5px 12px;
    border: 1px solid rgba(201, 169, 97, 0.3);
    border-radius: 999px;
    margin-bottom: 24px;
    text-transform: uppercase;
}
.case-card h3 {
    font-family: var(--serif);
    font-size: 22px;
    font-weight: 600;
    color: #fff;
    margin: 0 0 14px;
    letter-spacing: 0.02em;
}
.case-card p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 15px;
    line-height: 1.75;
    margin: 0 0 28px;
}
.case-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.case-metrics div { text-align: center; }
.case-metrics strong {
    display: block;
    font-family: var(--serif);
    font-size: 28px;
    color: var(--gold-400);
    line-height: 1;
    margin-bottom: 6px;
}
.case-metrics span {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 0.08em;
}

.partner-wall { text-align: center; }
.partner-title {
    color: var(--gold-400);
    font-size: 12px;
    letter-spacing: 0.3em;
    margin-bottom: 32px;
    text-transform: uppercase;
}
.partner-logos {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.partner-logo {
    padding: 32px 16px;
    text-align: center;
    font-family: var(--serif);
    font-size: 22px;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: rgba(255, 255, 255, 0.5);
    border-right: 1px solid rgba(255, 255, 255, 0.06);
    transition: all 0.4s var(--ease);
    cursor: default;
}
.partner-logo:last-child { border-right: none; }
.partner-logo:hover { color: var(--gold-400); }

/* ============== ABOUT ============== */
.about {
    padding: var(--section-pad) 0;
    background: var(--bg);
}
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: center;
}
.about-text p {
    color: var(--text-soft);
    font-size: 16px;
    line-height: 1.85;
    margin: 0 0 18px;
}
.about-text .section-title { text-align: left; margin-bottom: 28px; }
.about-text .eyebrow { padding-left: 36px; }
.about-text .eyebrow::before { background: var(--gold-500); }
.about-values {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 36px;
    padding-top: 36px;
    border-top: 1px solid var(--line);
}
.about-values div { text-align: center; }
.about-values strong {
    display: block;
    font-family: var(--serif);
    font-size: 22px;
    color: var(--navy-800);
    margin-bottom: 4px;
}
.about-values span {
    font-size: 11px;
    letter-spacing: 0.2em;
    color: var(--gold-600);
    text-transform: uppercase;
}

.about-visual {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.about-card {
    padding: 48px 40px;
    background: linear-gradient(135deg, var(--navy-800) 0%, var(--navy-700) 100%);
    color: #fff;
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}
.about-card::before {
    content: '';
    position: absolute;
    top: -50px; right: -50px;
    width: 200px; height: 200px;
    background: radial-gradient(circle, var(--gold-500) 0%, transparent 70%);
    opacity: 0.15;
    border-radius: 50%;
}
.about-card.alt {
    background: #fff;
    color: var(--navy-800);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-md);
}
.about-card.alt::before {
    background: radial-gradient(circle, var(--gold-500) 0%, transparent 70%);
    opacity: 0.18;
}
.about-card.alt .about-big { color: var(--navy-800); }
.about-card.alt p { color: var(--text-soft); }

.about-year {
    font-size: 11px;
    letter-spacing: 0.3em;
    color: var(--gold-400);
    margin-bottom: 8px;
    display: block;
}
.about-big {
    font-family: var(--serif);
    font-size: 80px;
    font-weight: 600;
    line-height: 1;
    color: var(--gold-400);
    display: block;
    margin-bottom: 16px;
    letter-spacing: 0.02em;
}
.about-big sup {
    font-size: 0.4em;
    color: var(--gold-400);
}
.about-card p {
    color: rgba(255, 255, 255, 0.75);
    margin: 0;
    font-size: 14px;
    line-height: 1.7;
}

/* ============== CONTACT ============== */
.contact {
    padding: var(--section-pad) 0;
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-3) 100%);
    position: relative;
}
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 80px;
    align-items: start;
}
.contact-info .section-title { text-align: left; margin-bottom: 24px; }
.contact-info .eyebrow { padding-left: 36px; }
.contact-info .eyebrow::before { background: var(--gold-500); }
.contact-lead {
    color: var(--text-soft);
    font-size: 16px;
    line-height: 1.8;
    margin: 0 0 40px;
}
.contact-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    padding-top: 32px;
    border-top: 1px solid var(--line);
}
.contact-list li {
    display: grid;
    grid-template-columns: 100px 1fr;
    align-items: start;
    gap: 24px;
}
.ci-label {
    font-size: 12px;
    letter-spacing: 0.2em;
    color: var(--gold-600);
    text-transform: uppercase;
    padding-top: 4px;
    font-weight: 500;
}
.ci-value {
    color: var(--navy-800);
    font-size: 15px;
    line-height: 1.6;
}
.ci-value a:hover { color: var(--gold-500); }

.contact-form {
    background: #fff;
    padding: 48px 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--line);
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.form-group { margin-bottom: 22px; }
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--navy-800);
    margin-bottom: 8px;
    letter-spacing: 0.04em;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 13px 16px;
    border: 1px solid var(--line);
    background: var(--bg);
    color: var(--text);
    border-radius: var(--radius);
    transition: all 0.3s var(--ease);
    font-size: 15px;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--gold-500);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(201, 169, 97, 0.15);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-hint {
    margin: 14px 0 0;
    font-size: 13px;
    color: var(--text-mute);
    text-align: center;
}

/* ============== FOOTER ============== */
.footer {
    background: var(--navy-900);
    color: rgba(255, 255, 255, 0.65);
    padding: 80px 0 32px;
    position: relative;
}
.footer::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold-500), transparent);
}
.footer-top {
    display: grid;
    grid-template-columns: 1.4fr 2fr;
    gap: 80px;
    padding-bottom: 56px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 32px;
}
.footer-brand p {
    margin: 24px 0 0;
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.5);
}
.footer-cols {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.footer-cols h4 {
    color: var(--gold-400);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin: 0 0 20px;
}
.footer-cols a, .footer-cols span {
    display: block;
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    padding: 6px 0;
    transition: color 0.3s var(--ease);
}
.footer-cols a:hover { color: var(--gold-400); }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
    letter-spacing: 0.04em;
}

/* ============== REVEAL ANIMATION ============== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============== RESPONSIVE ============== */
@media (max-width: 1024px) {
    :root { --section-pad: 80px; }
    .why-grid { grid-template-columns: repeat(2, 1fr); }
    .case-grid { grid-template-columns: 1fr 1fr; }
    .partner-logos { grid-template-columns: repeat(4, 1fr); }
    .partner-logo:nth-child(4n) { border-right: none; }
    .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 56px; }
    .footer-top { grid-template-columns: 1fr; gap: 48px; }
    .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 36px 20px; }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0; right: -100%;
        width: 80%; height: 100vh;
        background: var(--navy-900);
        flex-direction: column;
        justify-content: center;
        align-items: stretch;
        padding: 40px;
        gap: 12px;
        transition: right 0.4s var(--ease);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.3);
    }
    .nav-menu.open { right: 0; }
    .nav-link {
        padding: 14px 0;
        font-size: 17px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .nav-cta { text-align: center; margin-top: 16px; }
    .nav-toggle { display: flex; }
    .nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .nav-toggle.active span:nth-child(2) { opacity: 0; }
    .nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    .container, .nav-container, .hero-inner { padding: 0 20px; }
    .hero { min-height: auto; padding: 130px 0 80px; }
    .hero-cta { flex-direction: column; align-items: stretch; }
    .btn { width: 100%; }

    .why-grid { grid-template-columns: 1fr; gap: 16px; }
    .why-card { padding: 36px 24px; }

    .service-item {
        grid-template-columns: 1fr;
        gap: 12px;
        padding: 32px 0;
    }
    .service-item:hover { padding-left: 0; padding-right: 0; }
    .service-num { font-size: 36px; }
    .service-arrow { display: none; }

    .case-grid { grid-template-columns: 1fr; }
    .partner-logos { grid-template-columns: repeat(2, 1fr); }
    .partner-logo:nth-child(2n) { border-right: none; }
    .partner-logo { font-size: 18px; padding: 24px 12px; }

    .about-card { padding: 36px 28px; }
    .about-big { font-size: 60px; }
    .about-values { grid-template-columns: repeat(2, 1fr); gap: 24px; }

    .form-row { grid-template-columns: 1fr; gap: 0; }
    .contact-form { padding: 32px 24px; }

    .footer-cols { grid-template-columns: 1fr 1fr; gap: 28px; }
    .footer-bottom { flex-direction: column; text-align: center; }
}