/* ===== CSS Variables & Reset ===== */
:root {
    /* Blue-White Theme Colors */
    --primary: #0ea5e9;
    --primary-dark: #0284c7;
    --primary-light: #7dd3fc;
    --secondary: #06b6d4;
    --secondary-dark: #0891b2;
    --accent: #38bdf8;

    /* Background Colors - Light Theme */
    --bg-white: #ffffff;
    --bg-light: #f0f9ff;
    --bg-blue-soft: #e0f2fe;
    --bg-section-alt: #f8fafc;

    /* Text Colors */
    --text-dark: #0f172a;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --text-on-blue: #ffffff;

    /* Accent Colors */
    --warning: #f59e0b;
    --danger: #0891b2;
    /* Changed to Blue-Teal from Red */
    --success: #22c55e;
    --line-green: #00b900;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 50%, #38bdf8 100%);
    --gradient-hero: linear-gradient(180deg, #0ea5e9 0%, #0284c7 100%);
    --gradient-light: linear-gradient(180deg, #f0f9ff 0%, #ffffff 100%);
    --gradient-blue-soft: linear-gradient(135deg, #e0f2fe 0%, #f0f9ff 100%);

    /* Glass Effects */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(14, 165, 233, 0.2);
    --glass-blue: rgba(14, 165, 233, 0.1);

    /* Shadows */
    --shadow-soft: 0 4px 20px rgba(14, 165, 233, 0.15);
    --shadow-card: 0 10px 30px -10px rgba(14, 165, 233, 0.15);
    /* Softer, modern shadow */
    --shadow-glow: 0 0 40px rgba(14, 165, 233, 0.3);
    --shadow-hover: 0 20px 40px -12px rgba(14, 165, 233, 0.25);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Sarabun', sans-serif;
    background: var(--bg-white);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

/* ===== Header ===== */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 2px 20px rgba(14, 165, 233, 0.1);
}

.header-content {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-placeholder {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
}

.logo-text {
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: var(--glass-blue);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    transition: all 0.3s ease;
    color: var(--primary-dark);
}

.header-phone:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.phone-icon {
    font-size: 1.2rem;
}

.area-tag {
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: var(--bg-light);
    padding: 3px 10px;
    border-radius: 20px;
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 0;
    overflow: hidden;
    background: var(--gradient-hero);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

.hero-image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0ea5e9 0%, #0284c7 50%, #06b6d4 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
    padding: 20px;
}

.hero-image-placeholder .small {
    font-size: 0.875rem;
    margin-top: 10px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(14, 165, 233, 0.3) 0%, rgba(2, 132, 199, 0.7) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 60px 20px;
    color: white;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.8;
    color: white;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.hero-title .highlight {
    display: block;
    background: linear-gradient(135deg, #ffffff 0%, #e0f2fe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
    font-weight: 300;
}

.trust-badges {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-width: 600px;
    margin: 0 auto 40px;
}

.badge {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 15px 25px;
    border-radius: 12px;
    font-size: 1rem;
    transition: transform 0.3s ease;
    color: white;
}

.badge:hover {
    transform: translateX(10px);
    background: rgba(255, 255, 255, 0.25);
}

.badge-icon {
    font-size: 1.25rem;
}

.cta-button {
    display: inline-block;
    padding: 20px 40px;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-dark);
    background: white;
    border-radius: 60px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
    background: var(--bg-light);
}

/* Hero Logo at Top */
.hero-logo {
    margin-bottom: 30px;
    text-align: center;
}

.hero-logo .logo-text {
    font-size: 2rem;
    font-weight: 800;
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    letter-spacing: 2px;
}

/* Title Line Spacing */
.title-line {
    display: block;
    margin-bottom: 0.5em;
}

.title-line:last-child {
    margin-bottom: 0;
}

/* Pulse Animation */
.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.7);
    }

    70% {
        box-shadow: 0 0 0 20px rgba(255, 255, 255, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
    }
}

/* ===== Pain Points Section ===== */
.pain-points {
    padding: 100px 0;
    background: var(--bg-white);
}

.section-title {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    text-align: center;
    margin-bottom: 20px;
    font-weight: 700;
    color: var(--text-dark);
}

.section-title .icon,
.section-title .warning-icon {
    margin-right: 10px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.125rem;
    max-width: 700px;
    margin: 0 auto 50px;
}

.pain-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.pain-card {
    background: var(--bg-white);
    border: none;
    border-radius: 20px;
    padding: 30px 20px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-card);
}

.pain-card:hover {
    transform: translateY(-10px);
    border-color: var(--danger);
    box-shadow: 0 10px 40px rgba(239, 68, 68, 0.2);
}

.pain-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.pain-card h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
    color: var(--danger);
}

.pain-card p {
    color: var(--text-secondary);
}

.pain-cta {
    text-align: center;
    padding: 40px;
    background: linear-gradient(135deg, rgba(8, 145, 178, 0.05) 0%, rgba(14, 165, 233, 0.1) 100%);
    border-radius: 20px;
    border: 1px solid rgba(14, 165, 233, 0.2);
}

.warning-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--danger);
    margin-bottom: 15px;
}

.price-text {
    font-size: 1.5rem;
    color: var(--text-primary);
}

.price {
    color: var(--success);
    font-weight: 700;
    font-size: 2rem;
}

/* ===== Services Section ===== */
.services {
    padding: 100px 0;
    background: var(--bg-light);
}

.service-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--bg-white);
    border: none;
    border-radius: 20px;
    padding: 30px 20px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-card);
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: var(--shadow-hover);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 15px;
    color: var(--primary-dark);
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===== Video Section ===== */
.video-section {
    padding: 100px 0;
    background: var(--bg-white);
}

.video-container {
    max-width: 800px;
    margin: 0 auto;
}

.video-placeholder {
    aspect-ratio: 16 / 9;
    background: var(--bg-light);
    border: 2px dashed var(--glass-border);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: var(--text-muted);
    text-align: center;
    padding: 40px;
}

.video-placeholder .small {
    font-size: 0.875rem;
    margin-top: 10px;
}

/* ===== Portfolio Section ===== */
.portfolio {
    padding: 100px 0;
    background: var(--bg-blue-soft);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 40px;
}

@media (max-width: 540px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}

.portfolio-case {
    background: var(--bg-white);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 30px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-card);
}

.portfolio-case:hover {
    border-color: var(--success);
    box-shadow: 0 10px 40px rgba(34, 197, 94, 0.2);
}

.before-after {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
}

.before,
.after {
    flex: 1;
    position: relative;
}

.arrow {
    font-size: 2rem;
    flex-shrink: 0;
    color: var(--primary);
}

.image-placeholder {
    aspect-ratio: 4 / 3;
    background: var(--bg-light);
    border: 2px dashed var(--text-muted);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: var(--text-muted);
    text-align: center;
    padding: 20px;
}

.image-placeholder span {
    font-size: 2rem;
    margin-bottom: 10px;
}

.image-placeholder.success {
    border-color: var(--success);
    background: rgba(34, 197, 94, 0.1);
}

.image-placeholder .small {
    font-size: 0.75rem;
    margin-top: 5px;
}

.portfolio-image {
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 12px;
}

.label {
    position: absolute;
    top: 10px;
    left: 10px;
    background: var(--primary);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.case-description {
    font-style: italic;
    color: var(--text-secondary);
    text-align: center;
    padding: 15px;
    background: var(--bg-light);
    border-radius: 10px;
}

/* ===== Big Projects Section ===== */
.big-projects {
    padding: 100px 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #bae6fd 100%);
}

.project-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.project-card {
    background: var(--bg-white);
    border: none;
    border-radius: 20px;
    padding: 30px 20px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-card);
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: #0ea5e9;
    box-shadow: 0 10px 40px rgba(14, 165, 233, 0.3);
}

.project-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.project-card h3 {
    font-size: 1.25rem;
    margin-bottom: 15px;
    color: var(--primary-dark);
}

.project-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.project-cta {
    text-align: center;
    padding: 40px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid var(--glass-border);
}

.project-cta .highlight-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 20px;
}

.project-cta .cta-button {
    background: var(--gradient-primary);
    color: white;
}

.project-cta .cta-button:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-glow);
}

.project-gallery {
    margin: 50px 0;
}

.gallery-title {
    text-align: center;
    font-size: 1.5rem;
    color: var(--primary-dark);
    margin-bottom: 30px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.gallery-item {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
}

.gallery-item:hover {
    transform: scale(1.03);
    box-shadow: 0 10px 40px rgba(14, 165, 233, 0.3);
}

.gallery-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}

/* ===== Why Us Section ===== */
.why-us {
    padding: 100px 0;
    background: var(--bg-white);
}

.why-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.why-card {
    background: var(--bg-white);
    border: none;
    border-radius: 20px;
    padding: 30px 20px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-card);
}

.why-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: var(--shadow-hover);
}

.why-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.why-card h3 {
    font-size: 1.25rem;
    margin-bottom: 15px;
    color: var(--primary-dark);
}

.why-card p {
    color: var(--text-secondary);
}

/* ===== Social Section ===== */
.social-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.social-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
}

.social-card {
    background: var(--bg-white);
    border: none;
    border-radius: 20px;
    padding: 30px 20px;
    text-align: center;
    transition: all 0.3s ease;
    display: block;
    box-shadow: var(--shadow-card);
}

.social-card:hover {
    transform: translateY(-10px);
}

.social-card.tiktok:hover {
    border-color: #ff0050;
    box-shadow: 0 10px 40px rgba(255, 0, 80, 0.3);
}

.social-card.facebook:hover {
    border-color: #1877f2;
    box-shadow: 0 10px 40px rgba(24, 119, 242, 0.3);
}

.social-card.youtube:hover {
    border-color: #ff0000;
    box-shadow: 0 10px 40px rgba(255, 0, 0, 0.3);
}

.social-icon {
    margin-bottom: 20px;
}

.social-card.tiktok .social-icon {
    color: #ff0050;
}

.social-card.facebook .social-icon {
    color: #1877f2;
}

.social-card.youtube .social-icon {
    color: #ff0000;
}

.social-card.website .social-icon {
    color: var(--primary);
}

.social-card.website:hover {
    border-color: var(--primary);
    box-shadow: 0 10px 40px rgba(14, 165, 233, 0.3);
}

.social-card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.social-card p {
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.social-link {
    font-size: 0.875rem;
    color: var(--text-muted);
    background: var(--bg-light);
    padding: 8px 16px;
    border-radius: 20px;
    display: inline-block;
}

/* ===== CTA Section ===== */
.cta-section {
    padding: 100px 0;
    background: var(--gradient-hero);
    text-align: center;
}

.promo-badge {
    display: inline-block;
    background: white;
    color: var(--primary-dark);
    padding: 10px 30px;
    border-radius: 50px;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 30px;
    animation: bounce 2s infinite;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

@keyframes bounce {

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

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

.cta-title {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.4;
    color: white;
}

.cta-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 20px 40px;
    font-size: 1.25rem;
    font-weight: 600;
    border-radius: 60px;
    transition: all 0.3s ease;
}

.cta-btn.line {
    background: var(--line-green);
    color: white;
}

.cta-btn.phone {
    background: white;
    color: var(--primary-dark);
}

.cta-btn:hover {
    transform: translateY(-3px) scale(1.05);
}

.cta-btn.line:hover {
    box-shadow: 0 8px 30px rgba(0, 185, 0, 0.5);
}

.cta-btn.phone:hover {
    box-shadow: 0 8px 30px rgba(255, 255, 255, 0.5);
}

.btn-icon {
    font-size: 1.5rem;
}

/* ===== Footer ===== */
.footer {
    background: var(--primary-dark);
    padding: 60px 0 30px;
    color: white;
}

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

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: white;
}

.brand-subtitle {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1rem;
}

.footer-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.footer-section h4 {
    color: var(--primary-light);
    margin-bottom: 15px;
    font-size: 1rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 8px;
}

.footer-section a {
    color: var(--primary-light);
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

/* ===== Floating Buttons ===== */
.floating-buttons {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 999;
}

.float-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 20px;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-soft);
}

.float-btn.line {
    background: var(--line-green);
    color: white;
}

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

.float-btn:hover {
    transform: translateY(-5px) scale(1.05);
}

.float-btn.line:hover {
    box-shadow: 0 8px 30px rgba(0, 185, 0, 0.5);
}

.float-btn.phone:hover {
    box-shadow: 0 8px 30px rgba(14, 165, 233, 0.5);
}

.float-btn svg {
    width: 28px;
    height: 28px;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .header-content {
        justify-content: center;
    }

    .header-phone {
        width: 100%;
        justify-content: center;
    }

    .hero-content {
        padding: 40px 15px;
    }

    .badge {
        padding: 12px 20px;
        font-size: 0.9rem;
    }

    .cta-button {
        padding: 15px 30px;
        font-size: 1.1rem;
    }

    .section-title {
        padding: 0 10px;
    }

    .pain-cards,
    .service-cards,
    .why-cards,
    .project-cards,
    .social-grid {
        padding: 0 5px;
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .pain-card,
    .service-card,
    .why-card,
    .project-card,
    .social-card {
        padding: 20px 15px;
    }

    .pain-icon,
    .service-icon,
    .why-icon,
    .project-icon {
        font-size: 2.5rem;
        margin-bottom: 15px;
    }

    .pain-icon svg,
    .service-icon svg,
    .why-icon svg,
    .project-icon svg {
        width: 36px;
        height: 36px;
    }

    .cta-btn {
        padding: 15px 30px;
        font-size: 1.1rem;
        width: 100%;
        justify-content: center;
    }

    .floating-buttons {
        bottom: 20px;
        right: 15px;
    }

    .float-btn {
        padding: 12px 16px;
    }

    .float-btn span {
        display: none;
    }
}

/* ===== Animation Classes ===== */
.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

/* ===== Water Wave Animation (Decorative) ===== */
.wave-container {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    overflow: hidden;
}

.wave {
    position: absolute;
    bottom: 0;
    left: -50%;
    width: 200%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%23ffffff' d='M0,160L48,170.7C96,181,192,203,288,192C384,181,480,139,576,138.7C672,139,768,181,864,186.7C960,192,1056,160,1152,144C1248,128,1344,128,1392,128L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3E%3C/path%3E%3C/svg%3E") repeat-x;
    background-size: 50% 100%;
    animation: wave 15s linear infinite;
}

@keyframes wave {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(50%);
    }
}

/* ===== Scroll Progress Indicator ===== */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    background: var(--gradient-primary);
    z-index: 1001;
    transition: width 0.1s ease;
}