/* ═══════════════════════════════════════════════════════════════════════════
   КОКА-ХОЛОД | Clean Corporate Design System
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─────────────────────────────────────────────────────────────────────────────
   CSS VARIABLES
   ───────────────────────────────────────────────────────────────────────────── */
:root {
    /* Primary Colors - Corporate Navy */
    --color-primary: #1E3A5F;
    --color-primary-dark: #152B47;
    --color-primary-light: #2E5A8F;
    --color-primary-subtle: #E8EEF4;

    /* Accent Colors - Orange */
    --color-accent: #FF6B35;
    --color-accent-hover: #E55A2B;
    --color-accent-subtle: #FFF0EB;

    /* Neutral Colors */
    --color-white: #FFFFFF;
    --color-bg: #FFFFFF;
    --color-bg-alt: #F8F9FA;
    --color-gray-50: #F8F9FA;
    --color-gray-100: #F1F3F5;
    --color-gray-200: #E9ECEF;
    --color-gray-300: #DEE2E6;
    --color-gray-400: #ADB5BD;
    --color-gray-500: #6B7280;
    --color-gray-600: #495057;
    --color-gray-700: #343A40;
    --color-gray-800: #212529;
    --color-gray-900: #1E3A5F;

    /* Typography */
    --font-display: 'Plus Jakarta Sans', sans-serif;
    --font-body: 'Source Sans 3', sans-serif;

    /* Sizing */
    --header-height: 80px;
    --container-max: 1280px;
    --section-padding: 100px;
    --border-radius: 8px;
    --border-radius-sm: 6px;
    --border-radius-lg: 12px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.25s ease;

    /* Shadows - Simple & Clean */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-gray-700);
    background: var(--color-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img, svg {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

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

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
}

/* ─────────────────────────────────────────────────────────────────────────────
   TYPOGRAPHY
   ───────────────────────────────────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-primary);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header--light .section-title {
    color: var(--color-white);
}

.section-tag {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-accent);
    margin-bottom: 12px;
}

.section-tag--light {
    color: rgba(255, 255, 255, 0.8);
}

.section-title {
    font-size: clamp(32px, 5vw, 44px);
    margin-bottom: 16px;
    color: var(--color-primary);
}

.section-title--light {
    color: var(--color-white);
}

.section-desc {
    font-size: 18px;
    color: var(--color-gray-500);
    max-width: 640px;
    margin: 0 auto;
}

/* ─────────────────────────────────────────────────────────────────────────────
   BUTTONS
   ───────────────────────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 15px;
    padding: 14px 28px;
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn--primary {
    background: var(--color-accent);
    color: var(--color-white);
}

.btn--primary:hover {
    background: var(--color-accent-hover);
}

.btn--secondary {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn--secondary:hover {
    background: var(--color-primary-dark);
}

.btn--ghost {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn--ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.6);
}

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

.btn--outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn--lg {
    padding: 18px 36px;
    font-size: 16px;
}

/* ─────────────────────────────────────────────────────────────────────────────
   HEADER
   ───────────────────────────────────────────────────────────────────────────── */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    transition: box-shadow var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.header__frost-line {
    display: none;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo__icon {
    width: 40px;
    height: 40px;
    color: var(--color-primary);
}

.logo__icon svg {
    width: 100%;
    height: 100%;
}

.logo__text {
    display: flex;
    flex-direction: column;
}

.logo__name {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
}

.logo__tagline {
    font-size: 11px;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.logo--light .logo__icon {
    color: var(--color-white);
}

.logo--light .logo__name {
    color: var(--color-white);
}

.logo--light .logo__tagline {
    color: rgba(255, 255, 255, 0.7);
}

/* Navigation */
.nav__list {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav__link {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 500;
    color: var(--color-gray-600);
    padding: 10px 16px;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.nav__link:hover,
.nav__link.active {
    color: var(--color-primary);
    background: var(--color-primary-subtle);
}

/* Header Actions */
.header__actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header__phone {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--color-gray-700);
    transition: color var(--transition-fast);
}

.header__phone:hover {
    color: var(--color-accent);
}

.header__phone svg {
    color: var(--color-accent);
}

.header__cta {
    padding: 12px 24px;
    background: var(--color-accent);
    color: var(--color-white);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 14px;
    border-radius: var(--border-radius);
}

.header__cta:hover {
    background: var(--color-accent-hover);
}

/* Burger Menu */
.burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    padding: 4px;
}

.burger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-gray-700);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.burger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.burger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Navigation */
@media (max-width: 1024px) {
    .nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--color-white);
        padding: 24px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
        box-shadow: var(--shadow-lg);
        border-top: 1px solid var(--color-gray-200);
    }

    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

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

    .nav__link {
        padding: 16px;
        font-size: 17px;
    }

    .burger {
        display: flex;
    }

    .header__phone span {
        display: none;
    }

    .header__cta {
        display: none;
    }
}

@media (max-width: 480px) {
    .logo__text {
        display: none;
    }
}

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

.hero__bg {
    position: absolute;
    inset: 0;
    background: var(--color-primary);
}

.hero__gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    opacity: 0.9;
}

.hero__particles {
    display: none;
}

.hero__container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding: 80px 0;
}

.hero__content {
    color: var(--color-white);
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.15);
    padding: 10px 20px;
    border-radius: var(--border-radius);
    margin-bottom: 24px;
}

.hero__temp {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    color: var(--color-accent);
}

.hero__temp--warm {
    color: var(--color-accent);
}

.hero__badge-text {
    font-size: 14px;
    opacity: 0.9;
}

.hero__title {
    font-size: clamp(40px, 6vw, 56px);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--color-white);
}

.hero__title-accent {
    display: block;
    color: var(--color-accent);
}

.hero__subtitle {
    font-size: 20px;
    opacity: 0.9;
    max-width: 500px;
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 60px;
}

.hero__stats {
    display: flex;
    gap: 48px;
}

.hero__stat {
    text-align: left;
}

.hero__stat-value {
    display: block;
    font-family: var(--font-display);
    font-size: 42px;
    font-weight: 800;
    color: var(--color-white);
}

.hero__stat-label {
    font-size: 14px;
    opacity: 0.8;
}

/* Hero Visual */
.hero__visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero__card {
    width: 320px;
    height: 380px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-lg);
    padding: 40px;
}

.hero__card-inner {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero__thermometer {
    display: flex;
    gap: 24px;
    align-items: stretch;
    height: 100%;
}

.hero__thermometer-scale {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    color: var(--color-white);
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 600;
    opacity: 0.8;
}

.hero__thermometer-bar {
    flex: 1;
    width: 60px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 30px;
    position: relative;
    overflow: hidden;
}

.hero__thermometer-fill {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60%;
    background: linear-gradient(180deg, var(--color-accent) 0%, #00B4D8 100%);
    border-radius: 30px;
}

/* Hero Scroll */
.hero__scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--color-white);
    opacity: 0.7;
}

.hero__scroll span {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.hero__scroll-icon {
    width: 40px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Hero Responsive */
@media (max-width: 1024px) {
    .hero__container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero__subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero__actions {
        justify-content: center;
    }

    .hero__stats {
        justify-content: center;
    }

    .hero__stat {
        text-align: center;
    }

    .hero__visual {
        display: none;
    }
}

@media (max-width: 768px) {
    .hero__stats {
        gap: 32px;
    }

    .hero__stat-value {
        font-size: 32px;
    }

    .hero__scroll {
        display: none;
    }
}

/* ─────────────────────────────────────────────────────────────────────────────
   SERVICES
   ───────────────────────────────────────────────────────────────────────────── */
.services {
    padding: var(--section-padding) 0;
    background: var(--color-white);
}

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

.service-card {
    position: relative;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius);
    padding: 32px;
    transition: all var(--transition-base);
}

.service-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.service-card--featured {
    border-color: var(--color-accent);
    border-width: 2px;
}

.service-card__badge {
    position: absolute;
    top: -12px;
    right: 24px;
    background: var(--color-accent);
    color: var(--color-white);
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 100px;
}

.service-card__icon {
    width: 56px;
    height: 56px;
    background: var(--color-primary-subtle);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--color-primary);
    transition: all var(--transition-base);
}

.service-card:hover .service-card__icon {
    background: var(--color-primary);
    color: var(--color-white);
}

.service-card__icon svg {
    width: 28px;
    height: 28px;
}

.service-card__title {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--color-primary);
}

.service-card__desc {
    font-size: 15px;
    color: var(--color-gray-600);
    margin-bottom: 20px;
}

.service-card__features {
    margin-bottom: 24px;
}

.service-card__features li {
    position: relative;
    padding-left: 20px;
    font-size: 14px;
    color: var(--color-gray-600);
    margin-bottom: 8px;
}

.service-card__features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
}

.service-card__link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 600;
    color: var(--color-accent);
    transition: gap var(--transition-fast);
}

.service-card__link:hover {
    gap: 12px;
}

/* Services Responsive */
@media (max-width: 1200px) {
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .services__grid {
        grid-template-columns: 1fr;
    }
}

/* ─────────────────────────────────────────────────────────────────────────────
   CHAMBERS
   ───────────────────────────────────────────────────────────────────────────── */
.chambers {
    padding: var(--section-padding) 0;
    background: var(--color-bg-alt);
}

.chambers__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.chamber-card {
    position: relative;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius);
    padding: 32px;
    transition: all var(--transition-base);
}

.chamber-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-primary);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.chamber-card:hover {
    box-shadow: var(--shadow-md);
}

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

.chamber-card--highlight {
    border-color: var(--color-accent);
    border-width: 2px;
}

.chamber-card--highlight::before {
    background: var(--color-accent);
    opacity: 1;
}

.chamber-card__badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--color-accent);
    color: var(--color-white);
    font-family: var(--font-display);
    font-size: 11px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.chamber-card__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
}

.chamber-card__temp {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    color: var(--color-primary);
    background: var(--color-primary-subtle);
    padding: 6px 12px;
    border-radius: var(--border-radius-sm);
}

.chamber-card__icon {
    width: 44px;
    height: 44px;
    color: var(--color-gray-300);
}

.chamber-card__title {
    font-size: 18px;
    margin-bottom: 12px;
    line-height: 1.3;
    color: var(--color-primary);
}

.chamber-card__desc {
    font-size: 14px;
    color: var(--color-gray-600);
    margin-bottom: 20px;
}

.chamber-card__features {
    margin-bottom: 24px;
}

.chamber-card__features li {
    position: relative;
    padding-left: 24px;
    font-size: 14px;
    color: var(--color-gray-600);
    margin-bottom: 10px;
}

.chamber-card__features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 600;
}

.chamber-card__link {
    display: inline-flex;
    align-items: center;
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 600;
    color: var(--color-white);
    padding: 10px 20px;
    background: var(--color-accent);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.chamber-card__link:hover {
    background: var(--color-accent-hover);
}

/* Chambers Responsive */
@media (max-width: 1024px) {
    .chambers__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .chambers__grid {
        grid-template-columns: 1fr;
    }
}

/* ─────────────────────────────────────────────────────────────────────────────
   ADVANTAGES
   ───────────────────────────────────────────────────────────────────────────── */
.advantages {
    position: relative;
    padding: var(--section-padding) 0;
    background: var(--color-primary);
    overflow: hidden;
}

.advantages__bg {
    position: absolute;
    inset: 0;
    background: var(--color-primary);
}

.advantages__bg::before {
    display: none;
}

.advantages .container {
    position: relative;
    z-index: 1;
}

.advantages__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.advantage {
    display: flex;
    gap: 20px;
    padding: 32px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--border-radius);
    transition: all var(--transition-base);
}

.advantage:hover {
    background: rgba(255, 255, 255, 0.12);
}

.advantage__number {
    font-family: var(--font-display);
    font-size: 42px;
    font-weight: 800;
    color: var(--color-accent);
    line-height: 1;
}

.advantage__title {
    font-size: 18px;
    color: var(--color-white);
    margin-bottom: 8px;
}

.advantage__desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

/* Advantages Responsive */
@media (max-width: 1024px) {
    .advantages__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .advantages__grid {
        grid-template-columns: 1fr;
    }

    .advantage {
        flex-direction: column;
        text-align: center;
    }

    .advantage__number {
        font-size: 36px;
    }
}

/* ─────────────────────────────────────────────────────────────────────────────
   PORTFOLIO
   ───────────────────────────────────────────────────────────────────────────── */
.portfolio {
    padding: var(--section-padding) 0;
    background: var(--color-white);
}

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

.portfolio-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: all var(--transition-base);
}

.portfolio-card:hover {
    box-shadow: var(--shadow-lg);
}

.portfolio-card__image {
    position: relative;
    aspect-ratio: 4/3;
    background: var(--color-gray-100);
    overflow: hidden;
}

.portfolio-card__placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-300);
}

.portfolio-card__placeholder svg {
    width: 64px;
    height: 64px;
}

.portfolio-card__overlay {
    position: absolute;
    inset: 0;
    background: rgba(30, 58, 95, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.portfolio-card:hover .portfolio-card__overlay {
    opacity: 1;
}

.portfolio-card__view {
    color: var(--color-white);
    font-family: var(--font-display);
    font-weight: 600;
    padding: 12px 24px;
    border: 2px solid var(--color-white);
    border-radius: var(--border-radius-sm);
}

.portfolio-card__content {
    padding: 24px;
}

.portfolio-card__tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.portfolio-card__title {
    font-size: 17px;
    margin-bottom: 8px;
    color: var(--color-primary);
}

.portfolio-card__desc {
    font-size: 14px;
    color: var(--color-gray-600);
}

/* Portfolio Responsive */
@media (max-width: 1200px) {
    .portfolio__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .portfolio__grid {
        grid-template-columns: 1fr;
    }
}

/* ─────────────────────────────────────────────────────────────────────────────
   CLIENTS
   ───────────────────────────────────────────────────────────────────────────── */
.clients {
    padding: 60px 0;
    background: var(--color-bg-alt);
    overflow: hidden;
}

.clients__marquee {
    margin-top: 40px;
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.clients__track {
    display: flex;
    gap: 32px;
    animation: marquee 35s linear infinite;
}

.client {
    flex-shrink: 0;
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 600;
    color: var(--color-gray-500);
    white-space: nowrap;
    padding: 14px 28px;
    background: var(--color-white);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--color-gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 60px;
}

.client img {
    max-height: 50px;
    max-width: 140px;
    width: auto;
    height: auto;
    object-fit: contain;
}

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

/* ─────────────────────────────────────────────────────────────────────────────
   ABOUT
   ───────────────────────────────────────────────────────────────────────────── */
.about {
    padding: var(--section-padding) 0;
    background: var(--color-white);
}

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

.about__text {
    margin-bottom: 32px;
}

.about__text p {
    font-size: 17px;
    color: var(--color-gray-600);
    margin-bottom: 16px;
    line-height: 1.7;
}

.about__text p strong {
    color: var(--color-primary);
}

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

.about__feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--color-gray-700);
}

.about__feature svg {
    color: var(--color-accent);
    flex-shrink: 0;
}

.about__visual {
    position: relative;
}

.about__image {
    aspect-ratio: 4/3;
    background: var(--color-gray-100);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-gray-200);
}

.about__placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    color: var(--color-gray-400);
}

.about__placeholder svg {
    width: 100px;
    height: 100px;
}

.about__placeholder span {
    font-size: 14px;
}

.about__decoration {
    position: absolute;
    top: -16px;
    right: -16px;
    width: 100px;
    height: 100px;
    background: var(--color-accent);
    border-radius: var(--border-radius);
    opacity: 0.1;
    z-index: -1;
}

/* About Responsive */
@media (max-width: 1024px) {
    .about__grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about__visual {
        order: -1;
    }
}

/* ─────────────────────────────────────────────────────────────────────────────
   CONTACT FORM SECTION
   ───────────────────────────────────────────────────────────────────────────── */
.contact-form-section {
    padding: var(--section-padding) 0;
    background: var(--color-primary);
}

.contact-form-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-form__info {
    color: var(--color-white);
}

.contact-form__desc {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 40px;
    max-width: 400px;
}

.contact-form__benefits {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-form__benefit {
    display: flex;
    gap: 16px;
}

.contact-form__benefit-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--color-accent);
}

.contact-form__benefit strong {
    display: block;
    font-family: var(--font-display);
    font-size: 16px;
    margin-bottom: 4px;
}

.contact-form__benefit span {
    font-size: 14px;
    opacity: 0.8;
}

/* Contact Form */
.contact-form {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group--full {
    grid-column: 1 / -1;
}

.form-label {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 600;
    color: var(--color-gray-700);
}

.form-input,
.form-select,
.form-textarea {
    font-family: var(--font-body);
    font-size: 16px;
    padding: 14px 18px;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--border-radius-sm);
    transition: border-color var(--transition-fast);
    background: var(--color-white);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
    border-color: #EF4444;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-gray-400);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23ADB5BD' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 44px;
}

.form-submit {
    grid-column: 1 / -1;
    margin-top: 12px;
}

/* Contact Form Responsive */
@media (max-width: 1024px) {
    .contact-form-wrapper {
        grid-template-columns: 1fr;
    }

    .contact-form__info {
        text-align: center;
    }

    .contact-form__desc {
        margin-left: auto;
        margin-right: auto;
    }

    .contact-form__benefits {
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap;
    }
}

@media (max-width: 640px) {
    .contact-form {
        grid-template-columns: 1fr;
        padding: 24px;
    }

    .contact-form__benefits {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ─────────────────────────────────────────────────────────────────────────────
   CONTACTS
   ───────────────────────────────────────────────────────────────────────────── */
.contacts {
    padding: var(--section-padding) 0;
    background: var(--color-bg-alt);
}

.contacts__grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
}

.contacts__info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    gap: 16px;
    padding: 24px;
    background: var(--color-white);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-gray-200);
}

.contact-item__icon {
    width: 48px;
    height: 48px;
    background: var(--color-primary-subtle);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    flex-shrink: 0;
}

.contact-item__label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-500);
    margin-bottom: 4px;
}

.contact-item__value {
    display: block;
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 600;
    color: var(--color-primary);
    transition: color var(--transition-fast);
}

a.contact-item__value:hover {
    color: var(--color-accent);
}

/* Map */
.contacts__map {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
}

.map-placeholder {
    width: 100%;
    height: 100%;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    color: var(--color-gray-400);
    background: var(--color-gray-100);
}

.map-placeholder svg {
    width: 64px;
    height: 64px;
}

.map-placeholder span {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
}

.map-placeholder p {
    font-size: 14px;
}

/* Contacts Responsive */
@media (max-width: 1024px) {
    .contacts__grid {
        grid-template-columns: 1fr;
    }

    .contacts__map {
        min-height: 300px;
    }
}

/* ─────────────────────────────────────────────────────────────────────────────
   FOOTER
   ───────────────────────────────────────────────────────────────────────────── */
.footer {
    position: relative;
    background: var(--color-primary);
    color: var(--color-white);
    padding: 60px 0 24px;
}

.footer__frost-line {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-accent);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer__desc {
    margin-top: 16px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    max-width: 280px;
}

.footer__title {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.5);
}

.footer__links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer__links a {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

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

.footer__contact-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.footer__contact-info a,
.footer__contact-info span {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
}

.footer__contact-info a:hover {
    color: var(--color-accent);
}

.footer__social {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--color-accent);
}

.footer__bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer__copyright {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

/* Footer Responsive */
@media (max-width: 1024px) {
    .footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .footer__grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer__desc {
        margin-left: auto;
        margin-right: auto;
    }

    .footer__social {
        justify-content: center;
    }

    .logo--light {
        justify-content: center;
    }
}

/* ─────────────────────────────────────────────────────────────────────────────
   MODAL
   ───────────────────────────────────────────────────────────────────────────── */
.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal__overlay {
    position: absolute;
    inset: 0;
    background: rgba(30, 58, 95, 0.85);
}

.modal__content {
    position: relative;
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    max-width: 440px;
    width: 100%;
    transform: translateY(20px);
    transition: transform var(--transition-base);
}

.modal.active .modal__content {
    transform: translateY(0);
}

.modal__close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-500);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.modal__close:hover {
    background: var(--color-gray-100);
    color: var(--color-gray-800);
}

.modal__title {
    font-size: 24px;
    margin-bottom: 8px;
    color: var(--color-primary);
}

.modal__desc {
    color: var(--color-gray-600);
    margin-bottom: 24px;
}

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

/* ─────────────────────────────────────────────────────────────────────────────
   TOAST
   ───────────────────────────────────────────────────────────────────────────── */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 3000;
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--color-white);
    padding: 20px 24px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-gray-200);
    transform: translateX(120%);
    transition: transform var(--transition-base);
}

.toast.active {
    transform: translateX(0);
}

.toast__icon {
    width: 48px;
    height: 48px;
    background: #10B981;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    flex-shrink: 0;
}

.toast__content strong {
    display: block;
    font-family: var(--font-display);
    font-size: 16px;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.toast__content span {
    font-size: 14px;
    color: var(--color-gray-600);
}

/* ─────────────────────────────────────────────────────────────────────────────
   SCROLL ANIMATIONS (Minimal for Clean Corporate)
   ───────────────────────────────────────────────────────────────────────────── */
[data-aos="fade-up"] {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

[data-aos="fade-up"].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

[data-aos="fade-right"] {
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.5s ease;
}

[data-aos="fade-right"].aos-animate {
    opacity: 1;
    transform: translateX(0);
}

[data-aos="fade-left"] {
    opacity: 0;
    transform: translateX(20px);
    transition: all 0.5s ease;
}

[data-aos="fade-left"].aos-animate {
    opacity: 1;
    transform: translateX(0);
}

/* ─────────────────────────────────────────────────────────────────────────────
   UTILITIES
   ───────────────────────────────────────────────────────────────────────────── */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}