/* ==========================================================================
   Doito Soft Premium Tissue - Main Stylesheet
   Version: 2.0
   Architecture: ITCSS-inspired (Settings, Tools, Generic, Base, Objects, Components, Utilities)
   ========================================================================== */

/* ==========================================================================
   1. SETTINGS - Global variables
   ========================================================================== */
:root {
    /* Colors */
    --color-primary: #003399;
    --color-primary-dark: #002277;
    --color-primary-light: #7EC8F8;
    --color-accent: #D62828;
    --color-accent-hover: #b81e1e;
    --color-white: #FFFFFF;
    --color-gray-light: #F8FAFE;
    --color-gray-medium: #CCDDFF;
    --color-text: #1A2A4F;
    --color-text-light: #4a5a7f;

    /* Typography */
    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Open Sans', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    --spacing-4xl: 80px;

    /* Layout */
    --container-max: 1280px;
    --container-padding: 32px;
    --header-height: 80px;

    /* Shadows */
    --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 35px -10px rgba(0, 0, 0, 0.1);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 24px;
    --radius-lg: 32px;
    --radius-xl: 48px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ==========================================================================
   2. TOOLS - Utility functions (mixins)
   ========================================================================== */

/* ==========================================================================
   3. GENERIC - Reset & base
   ========================================================================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

/* ==========================================================================
   4. BASE - Element styles
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-primary);
}

#hero-title {
    color: #FFFFFF;
    font-size: 45px;
    /* font-family: Arial, Helvetica, sans-serif; */
    /* font-weight: 700; */
}

.launch {
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
    font-size: 70px;
    border-radius: 15px;
    margin: auto;
    color: #FFFFFF;
    background: #D62828;
    display: flex;
	overflow: hidden;
	white-space: nowrap;
    padding: 10px;
	width: 450px ;
}

.launch-move {
    animation-duration: 4s;
	animation-iteration-count: infinite;
	animation-name: marquee-content;
	animation-timing-function: linear;
	padding: 5px 15px 5px 15px;
    
}

.launch:hover .launch-move {
    animation-play-state: paused;
}

@keyframes marquee-content {
	from {
		transform: translateX( 0% );
		}
	to {
		transform: translateX( -100% );
		}
}

h1 { font-size: clamp(2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }
h4 { font-size: clamp(1.1rem, 1.8vw, 1.4rem); }

p {
    margin-bottom: var(--spacing-md);
}

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

a:hover,
a:focus {
    color: var(--color-accent);
}

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

address {
    font-style: normal;
}

/* ==========================================================================
   5. OBJECTS - Layout abstractions
   ========================================================================== */
.container {
    max-width: var(--container-max);
    margin: 0;
    padding: 10px var(--container-padding);
    width: 100%;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.skip-link {
    position: absolute;
    top: -999px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-sm);
    z-index: 9999;
    font-weight: 600;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--spacing-md);
}

/* ==========================================================================
   6. COMPONENTS - UI elements
   ========================================================================== */

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 14px 32px;
    border-radius: var(--radius-full);
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-white);
    box-shadow: 0 4px 14px rgba(214, 40, 40, 0.3);
}

.btn-primary:hover,
.btn-primary:focus {
    background: var(--color-accent-hover);
    color: var(--color-white);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(214, 40, 40, 0.35);
}

.btn-primary:active {
    transform: translateY(0);
}

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

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

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

.btn-secondary:hover,
.btn-secondary:focus {
    background: var(--color-primary-dark);
    color: var(--color-white);
    transform: translateY(-3px);
}

.btn-large {
    padding: 18px 40px;
    font-size: 1.1rem;
}

.btn-card {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
    color: var(--color-accent);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.btn-card:hover,
.btn-card:focus {
    gap: var(--spacing-sm);
    color: var(--color-accent-hover);
}

/* ---------- Header & Navigation ---------- */
.site-header {
    position: sticky;
    top: 0;
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    padding: var(--spacing-md) 0;
    min-height: var(--header-height);
    display: flex;
    align-items: center;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    width: 100%;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-shrink: 0;
}

.logo-img {
    height: 55px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    font-family: var(--font-primary);
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: -0.5px;
}

.logo-text span {
    color: var(--color-accent);
    font-weight: 600;
}

.main-nav {
    display: flex;
    align-items: center;
}

.nav-links {
    display: flex;
    gap: var(--spacing-xl);
    list-style: none;
}

.nav-links a {
    font-family: var(--font-primary);
    font-weight: 600;
    color: var(--color-text);
    padding: var(--spacing-xs) 0;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-base);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-links a:hover,
.nav-links a:focus,
.nav-links a.active {
    color: var(--color-accent);
}

.hamburger {
    display: none;
    background: none;
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--color-primary);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.hamburger:hover,
.hamburger:focus-visible {
    background: rgba(0, 51, 153, 0.08);
}

.hamburger:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

/* ---------- Hero Section ---------- */
.hero {
    position: relative;
    min-height: 85vh;
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary-light));
    display: flex;
    align-items: center;
    color: var(--color-white);
    overflow: hidden;
    isolation: isolate;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 51, 153, 0.2);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
}

.hero h1 {
    font-size: clamp(2rem, 4.5vw, 3.4rem);
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.hero-image-bg {
    position: absolute;
    right: -5%;
    bottom: 0;
    width: 50%;
    height: 90%;
    background: url("assets/img/ToiletTissuefront.jpeg") no-repeat center / contain;
    opacity: 0.15;
    z-index: 0;
}

/* ---------- Features Section ---------- */
.features-section {
    padding: var(--spacing-4xl) 0;
    background: var(--color-gray-light);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-header h2 {
    color: var(--color-primary);
}

.section-divider {
    width: 70px;
    height: 4px;
    background: var(--color-accent);
    margin: var(--spacing-md) auto 0;
    border-radius: var(--radius-full);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    background: var(--color-white);
    padding: var(--spacing-xl) var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.feature-icon i {
    font-size: 3rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    margin-bottom: var(--spacing-sm);
}

/* ---------- Company Overview ---------- */
.company-overview {
    padding: var(--spacing-4xl) 0;
}

.overview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.overview-text h2 {
    margin-bottom: var(--spacing-md);
}

.overview-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

/* ---------- Product Preview ---------- */
.product-preview {
    background: var(--color-gray-light);
    padding: var(--spacing-4xl) 0;
}

.product-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--spacing-xl);
}

.product-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.product-img img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.product-card:hover .product-img img {
    transform: scale(1.05);
}

.product-info {
    padding: var(--spacing-lg);
}

.product-info h3 {
    margin-bottom: var(--spacing-sm);
}

/* ---------- Distribution ---------- */
.distribution {
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-3xl) 0;
    text-align: center;
}

.distribution h2 {
    color: var(--color-white);
}

.industry-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.industry-logos span {
    font-size: 1.2rem;
    background: rgba(255, 255, 255, 0.15);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* ---------- CTA Section ---------- */
.cta-section {
    padding: var(--spacing-4xl) 0;
    text-align: center;
}

.cta-box {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    color: var(--color-white);
}

.cta-box h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

/* ---------- Music Section ---------- */
.music-ambient {
    background: linear-gradient(135deg, #f0f4fe, var(--color-white));
    padding: var(--spacing-xl) 0;
    border-top: 1px solid rgba(0, 51, 153, 0.1);
    border-bottom: 1px solid rgba(0, 51, 153, 0.1);
}

.music-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    background: var(--color-white);
    border-radius: var(--radius-full);
    padding: var(--spacing-sm) var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.music-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.music-info i {
    font-size: 2rem;
    color: var(--color-accent);
    background: #ffe8e8;
    padding: var(--spacing-md);
    border-radius: 50%;
}

.music-info h4 {
    color: var(--color-primary);
    margin: 0;
}

.music-info p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--color-text-light);
}

.audio-player {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.audio-player audio {
    height: 48px;
    border-radius: var(--radius-full);
    outline: none;
}

/* ---------- Page Hero ---------- */
.page-hero {
    background: linear-gradient(120deg, var(--color-primary), var(--color-primary-light));
    padding: var(--spacing-3xl) 0;
    text-align: center;
    color: var(--color-white);
}

.page-hero h1 {
    color: var(--color-white);
}

/* ---------- Products Showcase ---------- */
.products-showcase {
    padding: var(--spacing-3xl) 0;
}

.products-showcase.alt-bg {
    background: var(--color-gray-light);
}

.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.product-detail.reverse {
    direction: rtl;
}

.product-detail.reverse > * {
    direction: ltr;
}

.product-image-area img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-slow);
}

.product-image-area img:hover {
    transform: scale(1.02);
}

.specs {
    list-style: none;
    margin: var(--spacing-md) 0 var(--spacing-lg);
}

.specs li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    font-size: 1.05rem;
}

.specs i {
    color: var(--color-accent);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.inquiry-cta {
    text-align: center;
    padding: var(--spacing-3xl) 0;
    background: var(--color-primary);
    color: var(--color-white);
}

.inquiry-cta h3 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

/* ---------- About Page ---------- */
.company-story {
    padding: var(--spacing-3xl) 0;
    background: var(--color-gray-light);
}

.company-story h2 {
    margin-bottom: var(--spacing-lg);
}

.mission-vision {
    padding: var(--spacing-3xl) 0;
}

.mission-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.mission-card {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: transform var(--transition-base);
}

.mission-card:hover {
    transform: translateY(-6px);
}

.mission-card i {
    font-size: 3rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.mission-card h3 {
    margin-bottom: var(--spacing-md);
}

.values {
    padding: var(--spacing-3xl) 0;
    background: var(--color-gray-light);
}

.values-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.values-grid div {
    background: var(--color-white);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.values-grid div:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.values-grid i {
    font-size: 1.4rem;
    color: var(--color-accent);
}

.tech-advantages {
    padding: var(--spacing-3xl) 0;
}

.advantage-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.advantage-cards > div {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.advantage-cards > div:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.advantage-cards i {
    font-size: 2.8rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.advantage-cards h4 {
    margin-bottom: var(--spacing-sm);
}

.leadership {
    padding: var(--spacing-3xl) 0;
    background: var(--color-gray-light);
}

.leader-info p {
    text-align: justify;
}

.leader-card {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--spacing-2xl);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    align-items: center;
    box-shadow: var(--shadow-md);
}

.leader-img img {
    width: 100%;
    border-radius: var(--radius-lg);
    object-fit: cover;
    box-shadow: var(--shadow-sm);
}

.leader-info h3 {
    color: var(--color-primary);
}

.leader-info .title {
    color: var(--color-accent);
    font-weight: 600;
    margin: var(--spacing-xs) 0 var(--spacing-md);
}

.stats {
    padding: var(--spacing-3xl) 0;
}

.stats-grid {
    display: flex;
    justify-content: space-around;
    text-align: center;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
}

.stats-grid div {
    background: var(--color-white);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--radius-lg);
    min-width: 160px;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-fast);
}

.stats-grid div:hover {
    transform: translateY(-4px);
}

.stats-grid h3 {
    font-size: 2.6rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-xs);
}

/* ---------- Contact Page ---------- */
.contact-section {
    padding: var(--spacing-3xl) 0;
    background: var(--color-gray-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-2xl);
}

.contact-info-box,
.contact-form-box {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.contact-info-box h3,
.contact-form-box h3 {
    margin-bottom: var(--spacing-lg);
}

.contact-detail-item {
    display: flex;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    align-items: flex-start;
}

.contact-detail-item i {
    font-size: 1.6rem;
    color: var(--color-accent);
    margin-top: var(--spacing-xs);
    flex-shrink: 0;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.contact-form-box input,
.contact-form-box textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid #e0e4ea;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    background: var(--color-white);
}

.contact-form-box input:focus,
.contact-form-box textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(214, 40, 40, 0.15);
}

.contact-form-box input:focus-visible,
.contact-form-box textarea:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 1px;
}

.contact-form-box textarea {
    resize: vertical;
    min-height: 120px;
}

.form-message {
    margin-top: var(--spacing-md);
    font-weight: 500;
}

.distributor-cta {
    padding: var(--spacing-3xl) 0;
}

.distro-box {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.distro-box h3 {
    margin-bottom: var(--spacing-md);
}

.distro-box p {
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
}

.map-section {
    padding: var(--spacing-3xl) 0;
}

.map-section h3 {
    margin-bottom: var(--spacing-lg);
}

.map-frame {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

/* ---------- Footer ---------- */
footer {
    background: #0A1A32;
    color: var(--color-gray-medium);
    padding: var(--spacing-2xl) 0 var(--spacing-md);
}

footer a {
    color: var(--color-gray-medium);
    transition: color var(--transition-fast);
}

footer a:hover,
footer a:focus {
    color: var(--color-white);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-logo {
    font-family: var(--font-primary);
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--color-white);
}

.footer-logo span {
    color: var(--color-accent);
}

.footer-col address {
    margin-top: var(--spacing-sm);
    line-height: 1.8;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: var(--spacing-sm);
}

.social-icons {
    display: flex;
    gap: var(--spacing-sm);
}

.social-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    color: var(--color-white);
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.social-icons a:hover,
.social-icons a:focus {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: var(--spacing-lg);
    text-align: center;
    font-size: 0.9rem;
}

/* ==========================================================================
   7. UTILITIES - Helper classes
   ========================================================================== */

/* Animation */
.fade-up,
.feature-card,
.product-card,
.overview-text,
.overview-image {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible,
.feature-card.visible,
.product-card.visible,
.overview-text.visible,
.overview-image.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   8. RESPONSIVE - Media queries
   ========================================================================== */

/* Tablet */
@media (max-width: 992px) {
    .product-detail {
        grid-template-columns: 1fr;
        direction: ltr !important;
    }

    .product-detail.reverse > * {
        direction: ltr;
    }

    .overview-grid,
    .contact-grid,
    .leader-card,
    .mission-grid {
        grid-template-columns: 1fr;
    }

    .leader-card {
        text-align: center;
    }

    .leader-img {
        max-width: 280px;
        margin: 0 auto;
    }

    .hero h1 {
        font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    }

    .music-card {
        justify-content: center;
        text-align: center;
        padding: var(--spacing-md);
    }

    .audio-player {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --container-padding: 20px;
    }

    .hamburger {
        display: block;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        background: var(--color-white);
        position: absolute;
        top: var(--header-height);
        left: 0;
        width: 100%;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        gap: var(--spacing-md);
        z-index: 999;
        border-top: 1px solid rgba(0, 0, 0, 0.05);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        padding: var(--spacing-sm) 0;
        font-size: 1.1rem;
    }

    .nav-links a::after {
        display: none;
    }

    .stats-grid {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }

    .stats-grid div {
        width: 100%;
        max-width: 300px;
    }

    .hero {
        min-height: 70vh;
        padding: var(--spacing-2xl) 0;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }

    .values-grid {
        gap: var(--spacing-md);
    }

    .values-grid div {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.95rem;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .advantage-cards {
        grid-template-columns: 1fr 1fr;
    }

    .product-cards-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }

    .features-grid {
        grid-template-columns: 1fr 1fr;
    }

    .cta-box {
        padding: var(--spacing-lg);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-lg);
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .features-grid {
        grid-template-columns: 1fr;
    }

    .advantage-cards {
        grid-template-columns: 1fr;
    }

    .product-cards-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .social-icons {
        justify-content: center;
    }

    .music-card {
        flex-direction: column;
        padding: var(--spacing-md);
    }

    .audio-player {
        flex-direction: column;
        width: 100%;
    }

    .audio-player audio {
        width: 100%;
    }

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

    .distro-box {
        padding: var(--spacing-lg);
    }

    .contact-info-box,
    .contact-form-box {
        padding: var(--spacing-lg);
    }
}