/* ============================================
   ORATAB® - Ultra Professional Design System
   Redesigned for Clean & Modern Look
   ============================================ */

/* CSS Variables - Refined Color Palette */
:root {
    /* Primary Colors - Fresh Mint Theme */
    --primary: #059669;
    --primary-dark: #047857;
    --primary-light: #10b981;
    --primary-lighter: #34d399;
    --primary-gradient: linear-gradient(135deg, #059669 0%, #10b981 100%);
    --primary-gradient-hover: linear-gradient(135deg, #047857 0%, #059669 100%);

    /* Secondary - Ocean Blue */
    --secondary: #0891b2;
    --secondary-light: #22d3ee;

    /* Accent */
    --accent: #84cc16;
    --accent-light: #a3e635;

    /* Neutrals */
    --dark: #0f172a;
    --dark-light: #1e293b;
    --dark-medium: #334155;
    --text: #475569;
    --text-light: #64748b;
    --text-muted: #94a3b8;

    /* Backgrounds */
    --white: #ffffff;
    --off-white: #f8fafc;
    --gray-50: #f1f5f9;
    --gray-100: #e2e8f0;
    --gray-200: #cbd5e1;

    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 30px 70px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 40px rgba(5, 150, 105, 0.2);

    /* Border Radius */
    --radius-sm: 8px;
    --radius: 12px;
    --radius-md: 16px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --radius-full: 9999px;

    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --transition: all 0.3s var(--ease-out);
    --transition-slow: all 0.5s var(--ease-out);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    background-color: var(--white);
    overflow-x: hidden;
}

::selection {
    background: var(--primary-light);
    color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.25;
    color: var(--dark);
    letter-spacing: -0.02em;
}

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

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

/* ============================================
   PRELOADER
   ============================================ */
.preloader {
    position: fixed;
    inset: 0;
    background: var(--dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999999;
    transition: opacity 0.5s var(--ease-out), visibility 0.5s;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    text-align: center;
}

.loader img {
    width: 120px;
    margin-bottom: 24px;
    filter: brightness(0) invert(1);
    animation: logoFloat 2s ease-in-out infinite;
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.loader-bar {
    width: 180px;
    height: 3px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.loader-bar::after {
    content: '';
    display: block;
    width: 40%;
    height: 100%;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
    animation: loading 1s ease-in-out infinite;
}

@keyframes loading {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(350%); }
}

/* ============================================
   TOP BANNER
   ============================================ */
.top-banner {
    background: var(--dark);
    padding: 10px 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1001;
    transition: transform 0.3s var(--ease-out);
}

.top-banner-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
}

.top-banner-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.8rem;
    font-weight: 500;
}

.top-banner-item i {
    color: var(--primary-light);
}

.top-banner-divider {
    width: 1px;
    height: 14px;
    background: rgba(255, 255, 255, 0.15);
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 38px;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 14px 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: var(--transition);
}

.navbar.scrolled {
    top: 0;
    padding: 10px 0;
    box-shadow: var(--shadow);
}

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

.logo img {
    height: 42px;
    transition: var(--transition);
}

.navbar.scrolled .logo img {
    height: 36px;
}

.nav-links {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 6px;
}

.nav-links a {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--dark-medium);
    padding: 10px 16px;
    border-radius: var(--radius-full);
}

.nav-links a:hover {
    color: var(--primary);
    background: rgba(5, 150, 105, 0.06);
}

.nav-links a.active {
    color: var(--primary);
}

.nav-cta {
    background: var(--primary-gradient) !important;
    color: var(--white) !important;
    padding: 10px 24px !important;
    font-weight: 600 !important;
    box-shadow: 0 4px 15px rgba(5, 150, 105, 0.3);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(5, 150, 105, 0.4) !important;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    z-index: 10001;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--dark);
    border-radius: var(--radius-full);
    transition: var(--transition);
}

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

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

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

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 160px 0 100px;
    background: linear-gradient(170deg, #ecfdf5 0%, #f0fdfa 30%, #f8fafc 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 60%;
    height: 120%;
    background: radial-gradient(ellipse, rgba(5, 150, 105, 0.06) 0%, transparent 70%);
}

.hero-particles {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 20% 30%, rgba(5, 150, 105, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
}

.hero-gradient {
    display: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(5, 150, 105, 0.08);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 24px;
    border: 1px solid rgba(5, 150, 105, 0.12);
}

.hero-badge i {
    color: var(--primary);
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 16px;
    letter-spacing: -0.03em;
}

.hero-text h1 sup {
    font-size: 1rem;
    color: var(--primary);
}

.tagline {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 12px;
}

.subtitle {
    font-size: 1.05rem;
    color: var(--text-light);
    margin-bottom: 32px;
    max-width: 480px;
    line-height: 1.7;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 32px;
    padding: 24px 0;
    border-top: 1px solid rgba(5, 150, 105, 0.1);
    border-bottom: 1px solid rgba(5, 150, 105, 0.1);
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.stat-suffix {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-dark);
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-top: 6px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.cta-buttons {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--primary-gradient);
    color: var(--white);
    box-shadow: 0 4px 20px rgba(5, 150, 105, 0.35);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(5, 150, 105, 0.45);
}

.btn-primary i {
    transition: var(--transition);
}

.btn-primary:hover i {
    transform: translateX(4px);
}

.btn-secondary {
    background: var(--white);
    color: var(--dark);
    border: 2px solid var(--gray-200);
    box-shadow: var(--shadow-xs);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-3px);
}

.btn-block {
    width: 100%;
}

/* Hero Visual */
.hero-visual {
    position: relative;
}

.hero-image-wrapper {
    position: relative;
}

.hero-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(ellipse, rgba(5, 150, 105, 0.15) 0%, transparent 70%);
    filter: blur(40px);
    z-index: 0;
}

.hero-main-image {
    position: relative;
    z-index: 1;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    animation: imageFloat 5s ease-in-out infinite;
}

@keyframes imageFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.floating-card {
    position: absolute;
    background: var(--white);
    padding: 12px 18px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--dark);
    z-index: 2;
    border: 1px solid rgba(5, 150, 105, 0.08);
}

.floating-card i {
    width: 36px;
    height: 36px;
    background: var(--primary-gradient);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 0.9rem;
}

.card-1 {
    top: 8%;
    right: -5%;
    animation: floatCard 4s ease-in-out infinite;
}

.card-2 {
    bottom: 35%;
    left: -10%;
    animation: floatCard 5s ease-in-out infinite reverse;
}

.card-3 {
    bottom: 10%;
    right: 8%;
    animation: floatCard 4.5s ease-in-out infinite;
}

@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 10;
}

.mouse {
    width: 24px;
    height: 38px;
    border: 2px solid var(--text-muted);
    border-radius: 14px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.wheel {
    width: 3px;
    height: 8px;
    background: var(--primary);
    border-radius: var(--radius-full);
    animation: scroll 1.5s ease-in-out infinite;
}

@keyframes scroll {
    0% { opacity: 1; transform: translateY(0); }
    100% { opacity: 0; transform: translateY(12px); }
}

.scroll-indicator span {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

/* ============================================
   MARQUEE
   ============================================ */
.marquee-section {
    background: var(--primary-gradient);
    padding: 16px 0;
    overflow: hidden;
}

.marquee {
    overflow: hidden;
}

.marquee-content {
    display: flex;
    gap: 50px;
    animation: marquee 30s linear infinite;
    white-space: nowrap;
}

.marquee-content span {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--white);
    font-weight: 600;
    font-size: 0.88rem;
}

.marquee-content i {
    opacity: 0.85;
}

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

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-flex;
    background: rgba(5, 150, 105, 0.08);
    color: var(--primary-dark);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 16px;
    border: 1px solid rgba(5, 150, 105, 0.1);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 14px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-light);
    max-width: 550px;
    margin: 0 auto;
    line-height: 1.7;
}

.section-header.light .section-tag {
    background: rgba(255, 255, 255, 0.12);
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.15);
}

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

/* ============================================
   BENEFITS SECTION
   ============================================ */
.benefits {
    padding: 100px 0;
    background: var(--white);
}

.premium-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.premium-feature-card {
    background: linear-gradient(145deg, var(--dark) 0%, var(--dark-light) 100%);
    border-radius: var(--radius-xl);
    padding: 32px 28px;
    display: flex;
    align-items: flex-start;
    gap: 20px;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.premium-feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.premium-icon {
    width: 56px;
    height: 56px;
    background: var(--primary-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: var(--shadow-glow);
}

.premium-icon i {
    font-size: 1.3rem;
    color: var(--white);
}

.premium-content h3 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 8px;
    font-weight: 700;
}

.premium-content p {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0;
}

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

.benefit-card {
    background: var(--white);
    padding: 36px 28px;
    border-radius: var(--radius-xl);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--gray-100);
}

.benefit-card:hover {
    transform: translateY(-8px);
    border-color: rgba(5, 150, 105, 0.15);
    box-shadow: var(--shadow-md);
}

.benefit-hover {
    display: none;
}

.benefit-icon {
    position: relative;
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(5, 150, 105, 0.08);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.benefit-card:hover .icon-bg {
    transform: rotate(8deg);
    background: var(--primary-gradient);
}

.benefit-icon i {
    font-size: 1.7rem;
    color: var(--primary);
    position: relative;
    z-index: 1;
    transition: var(--transition);
}

.benefit-card:hover .benefit-icon i {
    color: var(--white);
}

.benefit-card h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    font-weight: 700;
}

.benefit-card p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    padding: 100px 0;
    background: var(--gray-50);
}

.about-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 70px;
    align-items: center;
}

.about-images {
    position: relative;
}

.about-image-main img {
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
}

.about-image-secondary {
    position: absolute;
    bottom: -25px;
    right: -25px;
    width: 50%;
    z-index: 2;
}

.about-image-secondary img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 4px solid var(--white);
}

.about-badge {
    position: absolute;
    top: -15px;
    left: -15px;
    width: 100px;
    height: 100px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
    z-index: 3;
    box-shadow: var(--shadow-glow);
    animation: badgeRotate 20s linear infinite;
}

@keyframes badgeRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.about-badge i {
    font-size: 1.4rem;
    margin-bottom: 4px;
    animation: badgeRotate 20s linear infinite reverse;
}

.about-badge span {
    font-size: 0.6rem;
    font-weight: 700;
    text-align: center;
    line-height: 1.2;
    text-transform: uppercase;
    animation: badgeRotate 20s linear infinite reverse;
}

.about-content .section-tag {
    margin-bottom: 14px;
}

.about-content h2 {
    font-size: 2.4rem;
    margin-bottom: 20px;
}

.about-content .lead {
    font-size: 1.15rem;
    color: var(--dark);
    font-weight: 500;
    margin-bottom: 12px;
    line-height: 1.6;
}

.about-content p {
    color: var(--text-light);
    margin-bottom: 14px;
    line-height: 1.7;
}

.about-features {
    margin: 30px 0;
}

.about-feature {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 18px;
    padding: 14px;
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--gray-100);
    transition: var(--transition);
}

.about-feature:hover {
    border-color: var(--primary-light);
    transform: translateX(6px);
}

.about-feature .feature-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-gradient);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.about-feature .feature-icon i {
    color: var(--white);
    font-size: 0.9rem;
}

.about-feature .feature-text h4 {
    font-size: 0.95rem;
    margin-bottom: 3px;
    font-weight: 700;
}

.about-feature .feature-text p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
}

.about-highlight {
    display: flex;
    align-items: center;
    gap: 16px;
    background: rgba(5, 150, 105, 0.06);
    padding: 20px 24px;
    border-radius: var(--radius-lg);
    border-left: 3px solid var(--primary);
}

.about-highlight i {
    color: var(--primary);
    font-size: 1.4rem;
}

.about-highlight p {
    margin: 0;
    font-weight: 600;
    color: var(--dark);
    font-size: 0.95rem;
}

/* ============================================
   HOW IT WORKS
   ============================================ */
.how-it-works {
    padding: 100px 0;
    background: var(--white);
}

.steps-wrapper {
    position: relative;
    padding: 40px 0;
}

.steps-line {
    position: absolute;
    top: 50%;
    left: 15%;
    right: 15%;
    height: 2px;
    background: var(--gray-100);
    transform: translateY(-50%);
}

.steps {
    display: flex;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}

.step {
    flex: 1;
    max-width: 300px;
    text-align: center;
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 800;
    margin: 0 auto 24px;
    box-shadow: var(--shadow-glow);
    transition: var(--transition);
}

.step:hover .step-number {
    transform: scale(1.1);
}

.step-card {
    background: var(--gray-50);
    padding: 32px 24px;
    border-radius: var(--radius-xl);
    transition: var(--transition);
}

.step:hover .step-card {
    background: var(--white);
    box-shadow: var(--shadow-md);
    transform: translateY(-6px);
}

.step-icon {
    width: 64px;
    height: 64px;
    background: rgba(5, 150, 105, 0.08);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    transition: var(--transition);
}

.step:hover .step-icon {
    background: var(--primary-gradient);
}

.step-icon i {
    font-size: 1.5rem;
    color: var(--primary);
    transition: var(--transition);
}

.step:hover .step-icon i {
    color: var(--white);
}

.step-card h3 {
    font-size: 1.05rem;
    margin-bottom: 8px;
}

.step-card p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.6;
}

.how-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    background: rgba(5, 150, 105, 0.05);
    padding: 24px 32px;
    border-radius: var(--radius-xl);
    max-width: 680px;
    margin: 50px auto 0;
    border: 1px solid rgba(5, 150, 105, 0.08);
}

.note-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.note-icon i {
    color: var(--white);
    font-size: 1.1rem;
}

.how-note p {
    color: var(--dark);
    font-size: 1rem;
    line-height: 1.6;
}

/* ============================================
   GALLERY
   ============================================ */
.gallery {
    padding: 100px 0;
    background: var(--gray-50);
}

.gallery-grid-new {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 260px;
    gap: 16px;
}

.gallery-item-new {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--shadow);
}

.gallery-item-new.large {
    grid-column: span 2;
}

.gallery-item-new img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.gallery-item-new:hover img {
    transform: scale(1.08);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(5, 150, 105, 0.9), rgba(8, 145, 178, 0.85));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    opacity: 0;
    transition: var(--transition);
}

.gallery-item-new:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay i {
    color: var(--white);
    font-size: 2.4rem;
    transform: scale(0);
    transition: var(--transition);
}

.gallery-item-new:hover .gallery-overlay i {
    transform: scale(1);
}

.gallery-overlay span {
    color: var(--white);
    font-size: 0.95rem;
    font-weight: 600;
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition);
    transition-delay: 0.1s;
}

.gallery-item-new:hover .gallery-overlay span {
    transform: translateY(0);
    opacity: 1;
}

/* ============================================
   SCIENCE SECTION
   ============================================ */
.science {
    padding: 100px 0;
    background: linear-gradient(150deg, var(--dark) 0%, #0a1528 100%);
    position: relative;
    overflow: hidden;
}

.science::before {
    content: '';
    position: absolute;
    top: -30%;
    left: -15%;
    width: 60%;
    height: 120%;
    background: radial-gradient(ellipse, rgba(5, 150, 105, 0.06) 0%, transparent 60%);
}

.science-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 50px;
    position: relative;
    z-index: 1;
}

.science-card {
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(20px);
    padding: 36px 28px;
    border-radius: var(--radius-xl);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: var(--transition);
}

.science-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-8px);
    border-color: rgba(5, 150, 105, 0.25);
}

.science-icon {
    width: 68px;
    height: 68px;
    background: var(--primary-gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 22px;
    box-shadow: var(--shadow-glow);
    transition: var(--transition);
}

.science-card:hover .science-icon {
    transform: scale(1.08);
}

.science-icon i {
    font-size: 1.6rem;
    color: var(--white);
}

.science-card h3 {
    color: var(--white);
    font-size: 1.15rem;
    margin-bottom: 12px;
}

.science-card p {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.9rem;
    line-height: 1.7;
}

.whitening-box {
    background: var(--primary-gradient);
    border-radius: var(--radius-2xl);
    padding: 40px;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.whitening-box::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -20%;
    width: 50%;
    height: 120%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
}

.whitening-content {
    display: flex;
    gap: 30px;
    align-items: flex-start;
    position: relative;
    z-index: 1;
}

.whitening-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.18);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.whitening-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.whitening-text h3 {
    color: var(--white);
    font-size: 1.35rem;
    margin-bottom: 16px;
}

.whitening-text ul {
    list-style: none;
    margin-bottom: 20px;
}

.whitening-text li {
    color: rgba(255, 255, 255, 0.92);
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
}

.whitening-text li i {
    color: var(--accent-light);
}

.whitening-note {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.12);
    padding: 12px 18px;
    border-radius: var(--radius);
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.9);
}

/* ============================================
   PARTNERSHIP SECTION
   ============================================ */
.partnership {
    padding: 100px 0;
    background: var(--white);
}

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

.partnership-content .section-tag {
    margin-bottom: 14px;
}

.partnership-content h2 {
    font-size: 2.4rem;
    margin-bottom: 16px;
}

.partnership-content .lead {
    font-size: 1.05rem;
    color: var(--text-light);
    margin-bottom: 32px;
    line-height: 1.7;
}

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

.partner-item {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--gray-50);
    padding: 18px 22px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-100);
    transition: var(--transition);
}

.partner-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
    transform: translateX(8px);
}

.partner-item i {
    width: 46px;
    height: 46px;
    background: rgba(5, 150, 105, 0.08);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.2rem;
    flex-shrink: 0;
    transition: var(--transition);
}

.partner-item:hover i {
    background: var(--primary-gradient);
    color: var(--white);
}

.partner-item span {
    font-weight: 600;
    color: var(--dark);
    font-size: 0.92rem;
}

.partnership-process {
    background: var(--white);
    padding: 36px;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-100);
}

.partnership-process h3 {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.35rem;
    margin-bottom: 30px;
    color: var(--dark);
}

.partnership-process h3 i {
    color: var(--primary);
    font-size: 1.2rem;
}

.process-timeline {
    position: relative;
    padding-left: 40px;
    margin-bottom: 30px;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 13px;
    top: 5px;
    bottom: 5px;
    width: 2px;
    background: linear-gradient(180deg, var(--primary), var(--secondary));
    border-radius: var(--radius-full);
}

.process-step {
    position: relative;
    padding-bottom: 24px;
}

.process-step:last-child {
    padding-bottom: 0;
}

.process-number {
    position: absolute;
    left: -40px;
    width: 28px;
    height: 28px;
    background: var(--primary-gradient);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
}

.process-content h4 {
    font-size: 0.98rem;
    margin-bottom: 4px;
}

.process-content p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ============================================
   LICENSING SECTION
   ============================================ */
.licensing {
    padding: 100px 0;
    background: var(--gray-50);
}

.license-intro {
    text-align: center;
    max-width: 750px;
    margin: -30px auto 50px;
    padding: 20px 30px;
    background: rgba(5, 150, 105, 0.05);
    border-radius: var(--radius-xl);
    border-left: 3px solid var(--primary);
}

.license-intro p {
    color: var(--text);
    font-size: 1rem;
    margin: 0;
    line-height: 1.7;
}

.license-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    margin-bottom: 50px;
}

.license-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--gray-100);
    position: relative;
}

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

.license-card.featured {
    border: 2px solid var(--primary);
}

.license-card.featured::before {
    content: 'Premium';
    position: absolute;
    top: 18px;
    right: -28px;
    background: var(--primary-gradient);
    color: white;
    padding: 4px 36px;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    transform: rotate(45deg);
    z-index: 10;
}

.license-number {
    position: absolute;
    top: 18px;
    left: 18px;
    width: 36px;
    height: 36px;
    background: var(--primary-gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 800;
    z-index: 5;
}

.license-header {
    background: linear-gradient(145deg, var(--dark) 0%, var(--dark-light) 100%);
    padding: 26px 22px 20px 65px;
    color: white;
}

.license-header h3 {
    color: white;
    font-size: 1rem;
    margin-bottom: 4px;
    line-height: 1.35;
}

.license-en {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.5);
    font-style: italic;
}

.license-body {
    padding: 24px 22px;
}

.license-section {
    margin-bottom: 18px;
}

.license-section:last-child {
    margin-bottom: 0;
}

.license-section h4 {
    font-size: 0.72rem;
    color: var(--primary-dark);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
}

.license-section h4 i {
    color: var(--primary);
    font-size: 0.75rem;
}

.license-section ul {
    list-style: none;
}

.license-section li {
    font-size: 0.82rem;
    color: var(--text-light);
    padding: 5px 0;
    padding-left: 18px;
    position: relative;
    line-height: 1.5;
}

.license-section li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    width: 5px;
    height: 5px;
    background: var(--primary);
    border-radius: 50%;
}

.license-principles {
    background: var(--primary-gradient);
    border-radius: var(--radius-2xl);
    padding: 40px;
    margin-bottom: 40px;
    position: relative;
    overflow: hidden;
}

.license-principles::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -20%;
    width: 50%;
    height: 120%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 60%);
}

.license-principles h3 {
    color: white;
    font-size: 1.35rem;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 12px;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.principles-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    position: relative;
    z-index: 1;
}

.principle-item {
    text-align: center;
    padding: 20px 14px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.principle-item:hover {
    background: rgba(255, 255, 255, 0.18);
    transform: translateY(-4px);
}

.principle-item i {
    font-size: 1.7rem;
    color: white;
    margin-bottom: 12px;
    display: block;
}

.principle-item span {
    color: rgba(255, 255, 255, 0.92);
    font-weight: 600;
    font-size: 0.85rem;
    line-height: 1.4;
}

.license-cta {
    text-align: center;
}

/* ============================================
   MISSION & VISION
   ============================================ */
.mission-vision {
    padding: 100px 0;
    background: var(--white);
}

.mv-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    margin-bottom: 40px;
}

.mv-card {
    background: var(--white);
    padding: 40px 36px;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--gray-100);
    transition: var(--transition);
}

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

.mv-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
}

.mv-icon {
    width: 58px;
    height: 58px;
    background: rgba(5, 150, 105, 0.08);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 22px;
    transition: var(--transition);
}

.mv-card:hover .mv-icon {
    background: var(--primary-gradient);
}

.mv-icon i {
    font-size: 1.4rem;
    color: var(--primary);
    transition: var(--transition);
}

.mv-card:hover .mv-icon i {
    color: var(--white);
}

.mv-card h3 {
    font-size: 1.5rem;
    margin-bottom: 14px;
}

.mv-card p {
    color: var(--text-light);
    margin-bottom: 12px;
    line-height: 1.7;
}

.mv-card .highlight {
    color: var(--dark);
    font-weight: 500;
}

.future-statement {
    background: var(--primary-gradient);
    padding: 36px 42px;
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    gap: 24px;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.future-statement::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -20%;
    width: 45%;
    height: 120%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 60%);
}

.future-icon {
    width: 66px;
    height: 66px;
    background: rgba(255, 255, 255, 0.18);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.future-icon i {
    font-size: 1.6rem;
}

.future-statement p {
    font-size: 1.1rem;
    line-height: 1.7;
    position: relative;
    z-index: 1;
    color: var(--white);
}

/* ============================================
   COMPANY SECTION
   ============================================ */
.company {
    padding: 80px 0;
    background: var(--gray-50);
}

.company-wrapper {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.company-icon {
    width: 76px;
    height: 76px;
    background: var(--primary-gradient);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    box-shadow: var(--shadow-glow);
}

.company-icon i {
    font-size: 1.9rem;
    color: var(--white);
}

.company-wrapper h2 {
    font-size: 2.4rem;
    margin-bottom: 18px;
}

.company-wrapper p {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.8;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    padding: 100px 0;
    background: var(--white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 50px;
}

.contact-card {
    background: var(--gray-50);
    padding: 32px;
    border-radius: var(--radius-2xl);
    margin-bottom: 22px;
    border: 1px solid var(--gray-100);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--gray-100);
    transition: var(--transition);
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-item:hover {
    transform: translateX(4px);
}

.contact-icon {
    width: 46px;
    height: 46px;
    background: rgba(5, 150, 105, 0.08);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--transition);
}

.contact-item:hover .contact-icon {
    background: var(--primary-gradient);
}

.contact-icon i {
    color: var(--primary);
    font-size: 1.1rem;
    transition: var(--transition);
}

.contact-item:hover .contact-icon i {
    color: var(--white);
}

.contact-text h4 {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.contact-text a,
.contact-text p {
    color: var(--dark);
    font-weight: 600;
    font-size: 0.9rem;
}

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

.contact-map {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.contact-form-wrapper {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-100);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.form-group {
    margin-bottom: 22px;
}

.form-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    font-size: 0.92rem;
    font-family: inherit;
    border: 2px solid var(--gray-100);
    border-radius: var(--radius);
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.08);
}

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

/* ============================================
   FOOTER
   ============================================ */
.footer-wave {
    margin-bottom: -2px;
}

.footer-wave svg {
    display: block;
    width: 100%;
}

.footer-main {
    background: var(--dark);
    padding: 70px 0 40px;
}

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

.footer-logo {
    height: 46px;
    margin-bottom: 18px;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.9rem;
    margin-bottom: 22px;
    line-height: 1.7;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.footer-links h4,
.footer-contact h4 {
    color: var(--white);
    font-size: 1rem;
    margin-bottom: 22px;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 6px;
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.footer-contact i {
    color: var(--primary-light);
    width: 18px;
}

.footer-bottom {
    background: #0a1020;
    padding: 18px 0;
    text-align: center;
}

.footer-bottom p {
    color: #ffffff;
    font-size: 0.85rem;
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    border: none;
    border-radius: 50%;
    color: var(--white);
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 999;
}

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

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

/* ============================================
   LIGHTBOX
   ============================================ */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999999;
    padding: 30px;
    cursor: pointer;
    animation: lightboxIn 0.3s var(--ease-out);
}

@keyframes lightboxIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.lightbox img {
    max-width: 90%;
    max-height: 90vh;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.lightbox-close {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: var(--white);
    font-size: 1.3rem;
    cursor: pointer;
    transition: var(--transition);
}

.lightbox-close:hover {
    background: var(--primary);
    transform: rotate(90deg);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1200px) {
    .hero-content {
        gap: 50px;
    }

    .hero-text h1 {
        font-size: 3rem;
    }

    .license-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .top-banner {
        display: none;
    }

    .navbar {
        top: 0 !important;
    }

    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        width: 100vw !important;
        height: 100vh !important;
        background: #ffffff !important;
        flex-direction: column !important;
        justify-content: center !important;
        align-items: center !important;
        gap: 6px !important;
        transform: translateX(-100%);
        transition: transform 0.4s var(--ease-out);
        z-index: 99998 !important;
        padding: 80px 24px !important;
    }

    .nav-links.active {
        transform: translateX(0) !important;
    }

    .nav-links li {
        list-style: none !important;
        width: 100% !important;
        max-width: 300px !important;
    }

    .nav-links a {
        display: block !important;
        font-size: 1.1rem !important;
        font-weight: 600 !important;
        color: #0f172a !important;
        padding: 16px 24px !important;
        background: #f8fafc !important;
        border-radius: 12px !important;
        text-align: center !important;
        margin-bottom: 4px !important;
        border: 1px solid #e2e8f0 !important;
    }

    .nav-links a:hover {
        color: #059669 !important;
        background: #ecfdf5 !important;
    }

    .nav-links .nav-cta {
        background: linear-gradient(135deg, #059669, #10b981) !important;
        color: #ffffff !important;
        border: none !important;
        margin-top: 16px !important;
    }

    .hamburger.active span {
        background: #0f172a !important;
    }

    .hero {
        padding: 120px 0 80px;
    }

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

    .hero-text {
        order: 1;
    }

    .hero-visual {
        order: 0;
    }

    .hero-main-image {
        max-width: 350px;
        margin: 0 auto;
    }

    .floating-card {
        display: none;
    }

    .hero-stats {
        justify-content: center;
    }

    .cta-buttons {
        justify-content: center;
    }

    .subtitle {
        margin: 0 auto 32px;
    }

    .section-title {
        font-size: 2rem;
    }

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

    .benefits-grid,
    .science-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-wrapper,
    .partnership-wrapper,
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-images {
        max-width: 450px;
        margin: 0 auto;
    }

    .gallery-grid-new {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 220px;
    }

    .gallery-item-new.large {
        grid-column: span 1;
    }

    .principles-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .hero-text h1 {
        font-size: 2.2rem;
    }

    .tagline {
        font-size: 1.05rem;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 20px;
    }

    .stat {
        flex: 1;
        min-width: 80px;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .benefits-grid,
    .science-grid {
        grid-template-columns: 1fr;
    }

    .steps {
        flex-direction: column;
        gap: 28px;
    }

    .steps-line {
        display: none;
    }

    .step {
        max-width: 100%;
    }

    .gallery-grid-new {
        grid-template-columns: 1fr;
        grid-auto-rows: 240px;
    }

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

    .whitening-icon {
        margin: 0 auto;
    }

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

    .principles-grid {
        grid-template-columns: 1fr 1fr;
        gap: 14px;
    }

    .future-statement {
        flex-direction: column;
        text-align: center;
        padding: 32px 24px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

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

    .footer-contact p {
        justify-content: center;
    }

    .footer-links a:hover {
        padding-left: 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-text h1 {
        font-size: 1.85rem;
    }

    .tagline {
        font-size: 0.95rem;
    }

    .subtitle {
        font-size: 0.9rem;
    }

    .hero-main-image {
        max-width: 280px;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.88rem;
        width: 100%;
    }

    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }

    .hero-stats {
        gap: 16px;
    }

    .stat-number {
        font-size: 1.3rem;
    }

    .stat-label {
        font-size: 0.65rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .premium-feature-card {
        flex-direction: column;
        text-align: center;
        align-items: center;
        padding: 26px 20px;
    }

    .benefit-card {
        padding: 28px 20px;
    }

    .about-badge {
        width: 85px;
        height: 85px;
    }

    .step-card {
        padding: 26px 20px;
    }

    .how-note {
        flex-direction: column;
        text-align: center;
        padding: 22px 18px;
    }

    .science-card {
        padding: 30px 22px;
    }

    .whitening-box {
        padding: 26px 20px;
    }

    .partnership-process {
        padding: 28px 22px;
    }

    .license-header {
        padding: 22px 18px 18px 58px;
    }

    .license-body {
        padding: 20px 18px;
    }

    .license-number {
        width: 32px;
        height: 32px;
        font-size: 0.9rem;
    }

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

    .mv-card {
        padding: 30px 24px;
    }

    .contact-form-wrapper {
        padding: 28px 20px;
    }

    .back-to-top {
        width: 44px;
        height: 44px;
        right: 18px;
        bottom: 18px;
    }
}