/* ============================================
   Shell Oil Company - Main Stylesheet
   Modern, Responsive, High-Performance CSS
   ============================================ */

/* ==================== CSS CUSTOM PROPERTIES ==================== */
:root {
    /* Brand Colors */
    --color-primary: #dd0d27;
    --color-primary-dark: #b00a1f;
    --color-primary-light: #ff1a3a;
    --color-secondary: #f5d301;
    --color-secondary-dark: #d4b700;
    --color-secondary-light: #ffe433;

    /* Neutral Colors */
    --color-white: #ffffff;
    --color-black: #000000;
    --color-gray-50: #fafafa;
    --color-gray-100: #f5f5f5;
    --color-gray-200: #e5e5e5;
    --color-gray-300: #d4d4d4;
    --color-gray-400: #a3a3a3;
    --color-gray-500: #737373;
    --color-gray-600: #525252;
    --color-gray-700: #404040;
    --color-gray-800: #262626;
    --color-gray-900: #171717;

    /* Dark Theme Colors */
    --color-dark-bg: #0a0a0f;
    --color-dark-surface: #12121a;
    --color-dark-border: #1f1f2e;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    --gradient-dark: linear-gradient(180deg, var(--color-dark-bg) 0%, var(--color-dark-surface) 100%);
    --gradient-hero: linear-gradient(135deg, rgba(221, 13, 39, 0.9) 0%, rgba(245, 211, 1, 0.7) 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    --text-7xl: 4.5rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 40px rgba(221, 13, 39, 0.3);
    --shadow-glow-yellow: 0 0 40px rgba(245, 211, 1, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-tooltip: 500;

    /* Container */
    --container-max: 1280px;
    --container-padding: 1.5rem;
}

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

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

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-gray-900);
    background-color: var(--color-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

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

ul,
ol {
    list-style: none;
}

input,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
}

/* Focus Styles for Accessibility */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Selection */
::selection {
    background-color: var(--color-primary);
    color: var(--color-white);
}

/* ==================== UTILITY CLASSES ==================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--space-24) 0;
}

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

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

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

/* ==================== SECTION HEADERS ==================== */
.section__header {
    margin-bottom: var(--space-16);
}

.section__header--centered {
    text-align: center;
}

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

.section__label {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: var(--space-3);
}

.section__header--light .section__label {
    color: var(--color-secondary);
}

.section__title {
    font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
    margin-bottom: var(--space-4);
}

.section__subtitle {
    font-size: var(--text-lg);
    color: var(--color-gray-600);
    max-width: 600px;
}

.section__header--centered .section__subtitle {
    margin: 0 auto;
}

.section__header--light .section__subtitle {
    color: var(--color-gray-400);
}

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    cursor: pointer;
    white-space: nowrap;
}

.btn--primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-md), var(--shadow-glow);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.btn--secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn--secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn--outline {
    background: transparent;
    color: var(--color-gray-900);
    border: 2px solid var(--color-gray-300);
}

.btn--outline:hover {
    background: var(--color-gray-900);
    color: var(--color-white);
    border-color: var(--color-gray-900);
}

.btn--large {
    padding: var(--space-5) var(--space-10);
    font-size: var(--text-lg);
}

.btn--full {
    width: 100%;
}

/* ==================== HEADER & NAVIGATION ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    padding: var(--space-4) 0;
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    padding: var(--space-3) 0;
    box-shadow: var(--shadow-lg);
}

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

.nav__logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    z-index: var(--z-tooltip);
}

.nav__logo-icon {
    width: 40px;
    height: 40px;
}

.nav__logo-text {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--color-white);
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.nav__link {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.nav__link:hover,
.nav__link.active {
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.1);
}

.nav__link--cta {
    background: var(--gradient-primary);
    color: var(--color-white);
    margin-left: var(--space-4);
}

.nav__link--cta:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-glow);
}

/* Mobile Navigation Toggle */
.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
    z-index: var(--z-tooltip);
}

.nav__toggle-line {
    width: 24px;
    height: 2px;
    background: var(--color-white);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

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

.nav__toggle.active .nav__toggle-line:nth-child(2) {
    opacity: 0;
}

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

/* ==================== LANGUAGE SELECTOR ==================== */
.lang-selector {
    position: relative;
    z-index: var(--z-tooltip);
    margin-left: var(--space-4);
}

.lang-selector__btn {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    color: var(--color-white);
    font-size: var(--text-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lang-selector__btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

.lang-selector__arrow {
    transition: transform var(--transition-fast);
}

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

.lang-selector__dropdown {
    position: absolute;
    top: calc(100% + var(--space-2));
    right: 0;
    min-width: 140px;
    padding: var(--space-2);
    background: var(--color-dark-surface);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-xl);
}

.lang-selector__dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-selector__option {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    width: 100%;
    padding: var(--space-2) var(--space-3);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--color-gray-300);
    font-size: var(--text-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lang-selector__option:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
}

.lang-selector__option.active {
    background: var(--gradient-primary);
    color: var(--color-white);
}

.lang-flag {
    font-size: var(--text-lg);
}

@media (max-width: 768px) {
    .lang-selector {
        position: fixed;
        top: var(--space-4);
        right: calc(var(--space-16) + var(--space-4));
    }
}

/* Mobile Menu Styles */
@media (max-width: 768px) {
    .nav__toggle {
        display: flex;
    }

    .nav__menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        justify-content: center;
        gap: var(--space-4);
        background: var(--color-dark-bg);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

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

    .nav__link {
        font-size: var(--text-2xl);
        padding: var(--space-4);
    }

    .nav__link--cta {
        margin-left: 0;
        margin-top: var(--space-4);
    }
}

/* ==================== HERO SECTION ==================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero__video-container {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero__video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg,
            rgba(10, 10, 15, 0.7) 0%,
            rgba(10, 10, 15, 0.5) 50%,
            rgba(10, 10, 15, 0.9) 100%);
}

.hero__content {
    text-align: center;
    color: var(--color-white);
    padding-top: var(--space-20);
}

.hero__badge {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    margin-bottom: var(--space-6);
    backdrop-filter: blur(10px);
    animation: fadeInUp 0.8s ease forwards;
}

.hero__title {
    font-size: clamp(var(--text-4xl), 8vw, var(--text-7xl));
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-6);
    animation: fadeInUp 0.8s ease 0.2s forwards;
    opacity: 0;
}

.hero__description {
    font-size: clamp(var(--text-lg), 2vw, var(--text-xl));
    color: rgba(255, 255, 255, 0.8);
    max-width: 700px;
    margin: 0 auto var(--space-8);
    animation: fadeInUp 0.8s ease 0.4s forwards;
    opacity: 0;
}

.hero__buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-16);
    animation: fadeInUp 0.8s ease 0.6s forwards;
    opacity: 0;
}

/* Hero Stats */
.hero__stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8);
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-8);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    backdrop-filter: blur(20px);
    animation: fadeInUp 0.8s ease 0.8s forwards;
    opacity: 0;
}

.hero__stat {
    text-align: center;
}

.hero__stat-number {
    font-family: var(--font-heading);
    font-size: var(--text-4xl);
    font-weight: 800;
    color: var(--color-secondary);
}

.hero__stat-suffix {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-secondary);
}

.hero__stat-label {
    display: block;
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.6);
    margin-top: var(--space-1);
}

/* Scroll Indicator */
.hero__scroll {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    color: rgba(255, 255, 255, 0.6);
    animation: fadeInUp 0.8s ease 1s forwards, bounce 2s ease-in-out infinite 1.5s;
    opacity: 0;
}

.hero__scroll-text {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

.hero__scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-white), transparent);
}

@media (max-width: 768px) {
    .hero__stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
    }

    .hero__stat-number {
        font-size: var(--text-3xl);
    }
}

/* ==================== ABOUT SECTION ==================== */
.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.about__text {
    margin-bottom: var(--space-8);
}

.about__text p {
    color: var(--color-gray-600);
    margin-bottom: var(--space-4);
}

.about__features {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.about__feature {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--color-gray-50);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.about__feature:hover {
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    transform: translateX(8px);
}

.about__feature-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    color: var(--color-white);
}

.about__feature-content h3 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-1);
}

.about__feature-content p {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

/* About Visual */
.about__visual {
    position: relative;
}

.about__image-wrapper {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
}

.about__image {
    width: 100%;
    aspect-ratio: 4/5;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.about__image-wrapper:hover .about__image {
    transform: scale(1.05);
}

.about__image-badge {
    position: absolute;
    bottom: var(--space-6);
    left: var(--space-6);
    padding: var(--space-4) var(--space-6);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.about__image-badge-number {
    display: block;
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: 800;
    color: var(--color-primary);
}

.about__image-badge-text {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

@media (max-width: 968px) {
    .about__grid {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }

    .about__visual {
        order: -1;
    }
}

/* ==================== SERVICES SECTION ==================== */
.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.service-card {
    position: relative;
    padding: var(--space-8);
    background: var(--color-dark-surface);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-base);
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.service-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card__icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(221, 13, 39, 0.1);
    border-radius: var(--radius-xl);
    color: var(--color-primary);
    margin-bottom: var(--space-6);
    transition: all var(--transition-base);
}

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

.service-card__title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-3);
}

.service-card__description {
    font-size: var(--text-sm);
    color: var(--color-gray-400);
    margin-bottom: var(--space-6);
    line-height: 1.7;
}

.service-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-secondary);
    transition: all var(--transition-fast);
}

.service-card__link:hover {
    gap: var(--space-3);
}

@media (max-width: 1024px) {
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

/* ==================== SUSTAINABILITY SECTION ==================== */
.sustainability__wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.sustainability__description {
    font-size: var(--text-lg);
    color: var(--color-gray-600);
    margin-bottom: var(--space-8);
}

.sustainability__goals {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.sustainability__goal {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--color-gray-50);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.sustainability__goal:hover {
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
}

.sustainability__goal-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    color: var(--color-white);
}

.sustainability__goal-content h3 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-1);
}

.sustainability__goal-content p {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

/* Sustainability Visual */
.sustainability__image-stack {
    position: relative;
}

.sustainability__image {
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
}

.sustainability__image--1 {
    width: 80%;
    aspect-ratio: 3/4;
    object-fit: cover;
}

.sustainability__image--2 {
    position: absolute;
    bottom: -var(--space-8);
    right: 0;
    width: 60%;
    aspect-ratio: 4/3;
    object-fit: cover;
    border: 4px solid var(--color-white);
}

.sustainability__stat-card {
    position: absolute;
    top: 10%;
    right: 0;
    padding: var(--space-6);
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    color: var(--color-white);
    text-align: center;
    box-shadow: var(--shadow-2xl);
}

.sustainability__stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: var(--text-4xl);
    font-weight: 800;
}

.sustainability__stat-text {
    font-size: var(--text-sm);
    opacity: 0.9;
    max-width: 150px;
}

@media (max-width: 968px) {
    .sustainability__wrapper {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }

    .sustainability__image-stack {
        max-width: 500px;
        margin: 0 auto;
    }
}

/* ==================== VIDEO FEATURE SECTION ==================== */
.video-feature__wrapper {
    max-width: 1000px;
    margin: 0 auto;
}

.video-feature__player {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
}

.video-feature__video {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    background: var(--color-dark-surface);
}

.video-feature__overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.3);
    cursor: pointer;
    transition: all var(--transition-base);
}

.video-feature__overlay.hidden {
    opacity: 0;
    visibility: hidden;
}

.video-feature__play-btn {
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 50%;
    color: var(--color-white);
    box-shadow: var(--shadow-2xl), var(--shadow-glow);
    transition: all var(--transition-base);
}

.video-feature__play-btn:hover {
    transform: scale(1.1);
}

/* ==================== GALLERY SECTION ==================== */
.gallery__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(2, 300px);
    gap: var(--space-4);
}

.gallery__item {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    cursor: pointer;
}

.gallery__item--large {
    grid-column: span 2;
    grid-row: span 2;
}

.gallery__item--wide {
    grid-column: span 2;
}

.gallery__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery__item:hover .gallery__image {
    transform: scale(1.1);
}

.gallery__caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-6);
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: var(--color-white);
    transform: translateY(100%);
    transition: transform var(--transition-base);
}

.gallery__item:hover .gallery__caption {
    transform: translateY(0);
}

.gallery__caption h3 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-1);
}

.gallery__caption p {
    font-size: var(--text-sm);
    opacity: 0.8;
}

@media (max-width: 968px) {
    .gallery__grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: auto;
    }

    .gallery__item {
        height: 250px;
    }

    .gallery__item--large {
        grid-column: span 2;
        height: 350px;
    }

    .gallery__item--wide {
        grid-column: span 2;
    }
}

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

    .gallery__item--large,
    .gallery__item--wide {
        grid-column: span 1;
        height: 300px;
    }
}

/* ==================== CTA SECTION ==================== */
.cta {
    background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-gray-100) 100%);
}

.cta__wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
    padding: var(--space-16);
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
}

.cta__title {
    font-size: clamp(var(--text-3xl), 4vw, var(--text-4xl));
    margin-bottom: var(--space-4);
}

.cta__description {
    font-size: var(--text-lg);
    color: var(--color-gray-600);
    margin-bottom: var(--space-8);
}

.cta__buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.cta__image {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    border-radius: var(--radius-xl);
}

@media (max-width: 968px) {
    .cta__wrapper {
        grid-template-columns: 1fr;
        padding: var(--space-8);
    }

    .cta__visual {
        order: -1;
    }
}

/* ==================== CONTACT SECTION ==================== */
.contact__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-12);
}

/* Contact Form */
.contact__form {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

.form__group {
    grid-column: span 2;
}

.form__group--half {
    grid-column: span 1;
}

@media (max-width: 640px) {
    .form__group--half {
        grid-column: span 2;
    }
}

.form__label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-gray-300);
    margin-bottom: var(--space-2);
}

.form__input {
    width: 100%;
    padding: var(--space-4);
    background: var(--color-dark-surface);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    transition: all var(--transition-fast);
}

.form__input::placeholder {
    color: var(--color-gray-500);
}

.form__input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(221, 13, 39, 0.2);
}

.form__select {
    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='%23737373' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-4) center;
    background-size: 16px;
    padding-right: var(--space-12);
}

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

/* Contact Info */
.contact__info {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.contact__info-card {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-6);
    background: var(--color-dark-surface);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

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

.contact__info-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(221, 13, 39, 0.1);
    border-radius: var(--radius-lg);
    color: var(--color-primary);
}

.contact__info-content h3 {
    font-size: var(--text-base);
    margin-bottom: var(--space-1);
}

.contact__info-content p {
    font-size: var(--text-sm);
    color: var(--color-gray-400);
    line-height: 1.7;
}

/* Social Links */
.contact__socials {
    margin-top: var(--space-4);
}

.contact__socials h3 {
    font-size: var(--text-base);
    margin-bottom: var(--space-4);
}

.contact__socials-links {
    display: flex;
    gap: var(--space-3);
}

.contact__social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-dark-surface);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    transition: all var(--transition-fast);
}

.contact__social-link:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    transform: translateY(-4px);
}

@media (max-width: 968px) {
    .contact__grid {
        grid-template-columns: 1fr;
    }
}

/* ==================== FOOTER ==================== */
.footer {
    background: var(--color-dark-surface);
    color: var(--color-white);
    padding: var(--space-16) 0 var(--space-8);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--space-12);
    padding-bottom: var(--space-12);
    border-bottom: 1px solid var(--color-dark-border);
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.footer__logo-icon {
    width: 40px;
    height: 40px;
}

.footer__logo span {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 800;
}

.footer__description {
    font-size: var(--text-sm);
    color: var(--color-gray-400);
    max-width: 300px;
}

.footer__title {
    font-size: var(--text-base);
    margin-bottom: var(--space-6);
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer__list a {
    font-size: var(--text-sm);
    color: var(--color-gray-400);
    transition: all var(--transition-fast);
}

.footer__list a:hover {
    color: var(--color-secondary);
    padding-left: var(--space-2);
}

/* Footer Bottom */
.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-8);
    flex-wrap: wrap;
    gap: var(--space-4);
}

.footer__copyright {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

.footer__legal {
    display: flex;
    gap: var(--space-6);
}

.footer__legal a {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
    transition: color var(--transition-fast);
}

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

@media (max-width: 968px) {
    .footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer__brand {
        grid-column: span 2;
    }
}

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

    .footer__brand {
        grid-column: span 1;
    }

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

/* ==================== BACK TO TOP BUTTON ==================== */
.back-to-top {
    position: fixed;
    bottom: var(--space-8);
    right: var(--space-8);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    color: var(--color-white);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: var(--z-fixed);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-4px);
}

/* ==================== ANIMATIONS ==================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* Scroll Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* ==================== RESPONSIVE ADJUSTMENTS ==================== */
@media (max-width: 1024px) {
    :root {
        --container-padding: 1rem;
    }

    .section {
        padding: var(--space-16) 0;
    }
}

@media (max-width: 768px) {
    .section {
        padding: var(--space-12) 0;
    }

    .section__header {
        margin-bottom: var(--space-10);
    }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* Print Styles */
@media print {

    .header,
    .hero__video-container,
    .back-to-top,
    .hero__scroll {
        display: none;
    }

    body {
        color: var(--color-black);
        background: var(--color-white);
    }

    .section--dark {
        background: var(--color-white);
        color: var(--color-black);
    }
}