/* ========================================
   和创数智官网 — style.css
   全链路数智化技术营销服务商
======================================== */

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #1A2332;
    background: #fff;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
em { font-style: normal; }

/* ---- Variables ---- */
:root {
    --primary: #0057FF;
    --primary-dark: #0040CC;
    --primary-light: #E6F0FF;
    --primary-deeper: #003399;
    --accent: #00BCD4;
    --accent-gradient: linear-gradient(135deg, #0057FF, #00BCD4);
    --gradient-hero: linear-gradient(135deg, #0A1628 0%, #132347 40%, #1A3A6B 100%);
    --gradient-section: linear-gradient(180deg, #F4F8FC 0%, #E8F0FE 100%);
    --dark: #0A1628;
    --dark-secondary: #1A2D4A;
    --text: #1A2332;
    --text-light: #6B7A8F;
    --text-muted: #9AA8B9;
    --bg: #FFFFFF;
    --bg-alt: #F4F8FC;
    --bg-card: #FFFFFF;
    --border: #E2E8F0;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
    --radius: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --header-h: 72px;
    --max-w: 1200px;
    --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- Container ---- */
.container {
    width: 100%;
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---- Section ---- */
.section {
    padding: 100px 0;
    position: relative;
}

.section__header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 60px;
}

.section__tag {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-light);
    padding: 6px 18px;
    border-radius: 50px;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.section__title {
    font-size: 36px;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 16px;
}

.section__title em {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section__desc {
    font-size: 18px;
    color: var(--text-light);
    line-height: 1.7;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: inherit;
    font-weight: 600;
    font-size: 16px;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn--primary {
    background: var(--primary);
    color: #fff;
    padding: 14px 32px;
    box-shadow: 0 4px 15px rgba(0, 87, 255, 0.35);
}

.btn--primary:hover {
    background: var(--primary-dark);
    box-shadow: 0 6px 25px rgba(0, 87, 255, 0.45);
    transform: translateY(-2px);
}

.btn--outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    padding: 12px 30px;
}

.btn--outline:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}

.btn--lg {
    padding: 16px 40px;
    font-size: 17px;
}

/* ---- Header ---- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-h);
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition);
}

.header--scrolled {
    border-bottom-color: var(--border);
    box-shadow: 0 1px 10px rgba(0,0,0,0.06);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}


.logo__text {
    font-size: 22px;
    font-weight: 800;
    color: var(--dark);
    letter-spacing: 1px;
}

/* Nav */
.nav__list {
    display: flex;
    gap: 8px;
}

.nav__link {
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
    padding: 8px 16px;
    border-radius: 8px;
    transition: all var(--transition);
    position: relative;
}

.nav__link:hover {
    color: var(--primary);
    background: var(--primary-light);
}

.header__cta {
    flex-shrink: 0;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--dark);
    border-radius: 2px;
    transition: all var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ---- Hero ---- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-h);
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    z-index: 0;
}

.hero__bg-img {
    position: absolute;
    inset: 0;
    background: url('../image/banner.png') center center / cover no-repeat;
    opacity: 0.15;
    z-index: 1;
}

.hero__gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 20% 80%, rgba(0, 87, 255, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 20%, rgba(0, 188, 212, 0.1) 0%, transparent 60%);
}

.hero__grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero__orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    pointer-events: none;
}

.hero__orb--1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 87, 255, 0.3), transparent);
    top: -200px;
    right: -100px;
    animation: orbFloat 20s ease-in-out infinite;
}

.hero__orb--2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 188, 212, 0.2), transparent);
    bottom: -150px;
    left: -100px;
    animation: orbFloat 25s ease-in-out infinite reverse;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

.hero__inner {
    position: relative;
    z-index: 1;
    width: 100%;
}

.hero__content {
    max-width: 800px;
    padding: 60px 0;
}

.hero__badge {
    display: inline-block;
    font-size: 14px;
    font-weight: 500;
    color: var(--accent);
    background: rgba(0, 188, 212, 0.1);
    border: 1px solid rgba(0, 188, 212, 0.25);
    padding: 8px 20px;
    border-radius: 50px;
    margin-bottom: 28px;
    animation: fadeInUp 0.6s ease-out;
}

.hero__title {
    margin-bottom: 20px;
}

.hero__title-line {
    display: block;
    font-size: 56px;
    font-weight: 900;
    line-height: 1.15;
    color: #fff;
    letter-spacing: -1px;
}

.hero__title-line--accent {
    background: linear-gradient(135deg, #4D8CFF, #00D4FF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: 20px;
    color: rgba(255,255,255,0.7);
    line-height: 1.6;
    margin-bottom: 40px;
    animation: fadeInUp 0.6s ease-out 0.15s both;
}

.hero__stats {
    display: flex;
    gap: 48px;
    margin-bottom: 40px;
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

.hero__stat {
    position: relative;
}

.hero__stat + .hero__stat::before {
    content: '';
    position: absolute;
    left: -24px;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,0.15);
}

.hero__stat-num {
    font-size: 42px;
    font-weight: 900;
    color: #fff;
    line-height: 1;
}

.hero__stat-suffix {
    font-size: 24px;
    font-weight: 700;
    color: var(--accent);
    margin-left: 2px;
}

.hero__stat-label {
    display: block;
    font-size: 14px;
    color: rgba(255,255,255,0.5);
    margin-top: 4px;
}

.hero__actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease-out 0.45s both;
}

.hero__actions .btn--outline {
    border-color: rgba(255,255,255,0.3);
    color: #fff;
}

.hero__actions .btn--outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.5);
}

.hero__wave {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    z-index: 1;
}

.hero__wave svg {
    width: 100%;
    height: 100%;
    display: block;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---- Trust Bar ---- */
.trust-bar {
    padding: 40px 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
}

.trust-bar__label {
    text-align: center;
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 24px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.trust-bar__logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}

.trust-bar__item {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-light);
    padding: 8px 20px;
    background: var(--bg-alt);
    border-radius: 8px;
    transition: all var(--transition);
}

.trust-bar__item:hover {
    color: var(--primary);
    background: var(--primary-light);
}

/* ---- About ---- */
.about {
    background: var(--bg-alt);
}

.about__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-bottom: 60px;
}

.about__card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.about__card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.about__card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 16px;
    margin-bottom: 20px;
}

.about__card-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.about__card-text {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.7;
}

.about__culture {
    text-align: center;
    padding: 48px 0 0;
    border-top: 1px solid var(--border);
}

.about__culture-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 28px;
    color: var(--dark);
}

.about__culture-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin: 0 auto;
}

/* ---- Products ---- */
.products {
    background: #fff;
}

.products__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.product-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    border: 1px solid var(--border);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity var(--transition);
}

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

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.product-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--icon-bg, var(--primary-light));
    color: var(--icon-color, var(--primary));
    border-radius: 16px;
    margin-bottom: 20px;
}

.product-card__title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.product-card__desc {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 16px;
}

.product-card__features {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.product-card__features li {
    font-size: 13px;
    color: var(--text-muted);
    padding-left: 20px;
    position: relative;
}

.product-card__features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

/* ---- Models ---- */
.models {
    background: var(--bg-alt);
}

.models__showcase {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-bottom: 48px;
}

.model-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    border: 1px solid var(--border);
    transition: all var(--transition);
    position: relative;
}

.model-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.model-card__num {
    font-size: 48px;
    font-weight: 900;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 16px;
    opacity: 0.6;
}

.model-card__title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
}

.model-card__desc {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
}

.models__cta {
    text-align: center;
    padding: 40px;
    background: var(--gradient-hero);
    border-radius: var(--radius-xl);
}

.models__cta p {
    font-size: 24px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 24px;
}

.models__cta strong {
    font-size: 36px;
    background: linear-gradient(135deg, #4D8CFF, #00D4FF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.models__cta .btn--primary {
    background: #fff;
    color: var(--primary);
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.models__cta .btn--primary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}

/* ---- AI Section ---- */
.ai {
    background: #fff;
}

.ai__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.ai-card {
    text-align: center;
    padding: 36px 24px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.ai-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.ai-card__visual {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-light), #E0F7FA);
    color: var(--primary);
    border-radius: 20px;
    transition: all var(--transition);
}

.ai-card:hover .ai-card__visual {
    background: var(--primary);
    color: #fff;
    transform: scale(1.1);
}

.ai-card__tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-light);
    padding: 4px 14px;
    border-radius: 50px;
    margin-bottom: 14px;
    letter-spacing: 1px;
}

.ai-card__title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
}

.ai-card__desc {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
}

/* ---- Marketing ---- */
.marketing {
    background: var(--bg-alt);
}

.marketing__grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}

.mkt-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 24px 16px;
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    transition: all var(--transition);
    cursor: default;
}

.mkt-card .emoji {
    font-size: 28px;
}

.mkt-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
    color: var(--primary);
}

.marketing__extra {
    text-align: center;
    margin-top: 32px;
    padding: 24px;
    background: #fff;
    border-radius: var(--radius);
    border: 1px dashed var(--border);
}

.marketing__extra p {
    font-size: 15px;
    color: var(--text-light);
    font-weight: 500;
}

/* ---- Cooperation ---- */
.cooperation {
    background: #fff;
}

.cooperation__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    align-items: start;
}

.coop-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    border: 1px solid var(--border);
    transition: all var(--transition);
    position: relative;
}

.coop-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.coop-card--featured {
    border-color: var(--primary);
    box-shadow: 0 0 0 1px var(--primary), var(--shadow-md);
    transform: scale(1.05);
}

.coop-card--featured:hover {
    transform: scale(1.05) translateY(-4px);
}

.coop-card__badge {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: 50px;
    background: var(--primary-light);
    color: var(--primary);
    margin-bottom: 16px;
}

.coop-card--featured .coop-card__badge {
    background: var(--primary);
    color: #fff;
}

.coop-card__title {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 8px;
}

.coop-card__price {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 24px;
}

.coop-card__features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
}

.coop-card__features li {
    font-size: 15px;
    color: var(--text);
    padding-left: 28px;
    position: relative;
}

.coop-card__features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
    font-size: 18px;
}

.coop-card__btn {
    width: 100%;
    justify-content: center;
}

/* ---- Contact ---- */
.contact {
    background: var(--bg-alt);
    padding-bottom: 0;
}

.contact__inner {
    position: relative;
    overflow: hidden;
    background: var(--gradient-hero);
    border-radius: var(--radius-xl);
    padding: 72px 60px;
    margin-bottom: -100px;
}

.contact__bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.contact__orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    pointer-events: none;
}

.contact__orb--1 {
    width: 400px;
    height: 400px;
    background: rgba(0, 87, 255, 0.25);
    top: -150px;
    right: -100px;
}

.contact__orb--2 {
    width: 300px;
    height: 300px;
    background: rgba(0, 188, 212, 0.15);
    bottom: -100px;
    left: -50px;
}

.contact__content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: #fff;
}

.contact__tag {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
    border: 1px solid rgba(0, 188, 212, 0.3);
    background: rgba(0, 188, 212, 0.1);
    padding: 6px 20px;
    border-radius: 50px;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.contact__title {
    font-size: 38px;
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.25;
}

.contact__desc {
    font-size: 18px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 32px;
}

.contact__info {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.contact__item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    color: rgba(255,255,255,0.85);
}

.contact__item svg {
    flex-shrink: 0;
    opacity: 0.7;
}

.contact__qr {
    margin-bottom: 32px;
}

.contact__qr-box {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.contact__qr-img {
    width: 100px;
    height: 100px;
    border-radius: 12px;
    object-fit: cover;
    border: 2px solid rgba(255,255,255,0.2);
}


.contact__qr-box p {
    font-size: 13px;
    color: rgba(255,255,255,0.6);
}

.contact__actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.contact__actions .btn--primary {
    background: #fff;
    color: var(--primary);
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.contact__actions .btn--primary:hover {
    background: var(--primary-light);
}

.contact__btn--white {
    border-color: rgba(255,255,255,0.4);
    color: #fff;
}

.contact__btn--white:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.7);
}

/* ---- Footer ---- */
.footer {
    background: var(--dark);
    color: rgba(255,255,255,0.7);
    padding: 140px 0 40px;
}

.footer__inner {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer__brand p {
    font-size: 15px;
    color: rgba(255,255,255,0.5);
    margin-top: 16px;
    line-height: 1.7;
}

.footer__links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.footer__col h4 {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
}

.footer__col a {
    display: block;
    font-size: 14px;
    color: rgba(255,255,255,0.5);
    margin-bottom: 12px;
    transition: color var(--transition);
}

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

.footer__bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.08);
    display: flex;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.footer__bottom p {
    font-size: 13px;
    color: rgba(255,255,255,0.35);
}

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

/* ---- Scroll Reveal ---- */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ---- Mobile Nav ---- */
@media (max-width: 1024px) {
    .hero__title-line { font-size: 44px; }
    .section__title { font-size: 30px; }
    .products__grid { grid-template-columns: repeat(2, 1fr); }
    .ai__grid { grid-template-columns: repeat(2, 1fr); }
    .marketing__grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 768px) {
    :root { --header-h: 64px; }

    .section { padding: 64px 0; }
    .section__header { margin-bottom: 40px; }
    .section__title { font-size: 26px; }
    .section__desc { font-size: 16px; }

    /* Header */
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: #fff;
        box-shadow: -10px 0 40px rgba(0,0,0,0.1);
        padding: 80px 32px 32px;
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1000;
    }

    .nav.active {
        right: 0;
    }

    .nav__list {
        flex-direction: column;
        gap: 4px;
    }

    .nav__link {
        display: block;
        font-size: 18px;
        padding: 12px 16px;
    }

    .hamburger {
        display: flex;
    }

    .header__cta {
        display: none;
    }

    /* Overlay */
    .nav-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.4);
        z-index: 999;
        opacity: 0;
        pointer-events: none;
        transition: opacity var(--transition);
    }

    .nav-overlay.active {
        opacity: 1;
        pointer-events: auto;
    }

    /* Hero */
    .hero { min-height: auto; padding: 100px 0 60px; }
    .hero__title-line { font-size: 34px; }
    .hero__subtitle { font-size: 16px; margin-bottom: 28px; }
    .hero__stats { gap: 24px; flex-wrap: wrap; }
    .hero__stat-num { font-size: 32px; }
    .hero__stat + .hero__stat::before { display: none; }
    .hero__actions { flex-direction: column; }
    .hero__btn { width: 100%; justify-content: center; }
    .hero__wave { height: 40px; }

    /* Trust Bar */
    .trust-bar__logos { gap: 16px; }
    .trust-bar__item { font-size: 14px; padding: 6px 14px; }

    /* About */
    .about__grid { grid-template-columns: 1fr; }

    /* Products */
    .products__grid { grid-template-columns: 1fr; }

    /* Models */
    .models__showcase { grid-template-columns: 1fr; gap: 16px; }

    /* AI */
    .ai__grid { grid-template-columns: 1fr; }

    /* Marketing */
    .marketing__grid { grid-template-columns: repeat(3, 1fr); }

    /* Cooperation */
    .cooperation__grid { grid-template-columns: 1fr; }
    .coop-card--featured { transform: none; }
    .coop-card--featured:hover { transform: translateY(-4px); }

    /* Contact */
    .contact__inner { padding: 48px 24px; margin-bottom: -60px; border-radius: var(--radius-lg); }
    .contact__title { font-size: 28px; }
    .contact__info { flex-direction: column; align-items: center; gap: 16px; }
    .contact__actions { flex-direction: column; }

    /* Footer */
    .footer { padding: 100px 0 32px; }
    .footer__inner { grid-template-columns: 1fr; gap: 32px; }
    .footer__links { grid-template-columns: 1fr 1fr; }
    .footer__bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .hero__title-line { font-size: 28px; }
    .section__title { font-size: 22px; }
    .marketing__grid { grid-template-columns: repeat(2, 1fr); }
    .footer__links { grid-template-columns: 1fr; }
}