/* ============================================
   BLUVY — LANDING PAGE CSS
   ✦ Mệnh Thủy — Water Element Theme
   ✦ Clear Blue, Modern, Tech, Minimal
   ============================================ */

/* === Google Fonts loaded via HTML <link> tag === */

/* === Variables — Water / Thủy Palette === */
:root {
    /* Primary blues — clear water spectrum */
    --primary: #0ea5e9;
    --primary-light: #38bdf8;
    --primary-dark: #0284c7;
    --primary-deeper: #0369a1;

    /* Accent — ice / crystal */
    --accent: #06b6d4;
    --accent-light: #67e8f9;
    --accent-dark: #0891b2;

    /* Gradients */
    --gradient: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 50%, #0284c7 100%);
    --gradient-accent: linear-gradient(135deg, #0ea5e9 0%, #38bdf8 50%, #06b6d4 100%);
    --gradient-hero: linear-gradient(160deg, #020617 0%, #0c1e3a 25%, #0a2c5c 50%, #0c4a6e 75%, #0e527a 100%);
    --gradient-glass: linear-gradient(135deg, rgba(14, 165, 233, 0.1) 0%, rgba(6, 182, 212, 0.05) 100%);
    --gradient-card: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(240, 249, 255, 0.9) 100%);

    /* Backgrounds */
    --bg-light: #f0f9ff;
    --bg-white: #ffffff;
    --bg-dark: #020617;
    --bg-section: #f0f9ff;

    /* Text */
    --text-dark: #0f172a;
    --text-medium: #475569;
    --text-light: #94a3b8;
    --text-white: #ffffff;

    /* Shadows — blue-tinted */
    --shadow-sm: 0 2px 8px rgba(14, 165, 233, 0.06);
    --shadow-md: 0 4px 20px rgba(14, 165, 233, 0.1);
    --shadow-lg: 0 8px 40px rgba(14, 165, 233, 0.12);
    --shadow-xl: 0 16px 64px rgba(14, 165, 233, 0.16);
    --shadow-glow: 0 0 40px rgba(14, 165, 233, 0.2);
    --shadow-accent: 0 4px 20px rgba(6, 182, 212, 0.25);

    /* Borders */
    --border-light: rgba(14, 165, 233, 0.08);
    --border-card: rgba(14, 165, 233, 0.1);

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 50px;

    /* Fonts */
    --font-display: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Transitions */
    --transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-fast: all 0.2s ease;
    --transition-spring: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    line-height: 1.6;
    background: var(--bg-light);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   NAVBAR — Glassmorphism
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    box-shadow: 0 1px 24px rgba(14, 165, 233, 0.08);
    padding: 10px 0;
    border-bottom: 1px solid rgba(14, 165, 233, 0.06);
}

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

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

.logo-text {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    color: var(--text-white);
    transition: var(--transition);
    letter-spacing: -0.5px;
}

.navbar.scrolled .logo-text {
    color: var(--primary-dark);
}

.logo-tagline {
    font-family: var(--font-body);
    font-size: 10px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent-light);
    transition: var(--transition);
    font-weight: 500;
}

.navbar.scrolled .logo-tagline {
    color: var(--accent-dark);
}

.nav-links {
    display: none;
    gap: 28px;
    align-items: center;
}

.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.75);
    transition: var(--transition);
    position: relative;
    letter-spacing: 0.2px;
}

.navbar.scrolled .nav-links a {
    color: var(--text-medium);
}

.nav-links a:hover {
    color: var(--accent-light);
}

.navbar.scrolled .nav-links a:hover {
    color: var(--primary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    border-radius: 2px;
    transition: width 0.3s ease;
}

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

.nav-cta {
    padding: 10px 24px !important;
    background: var(--gradient) !important;
    color: var(--text-white) !important;
    border-radius: var(--radius-full) !important;
    font-weight: 600 !important;
    box-shadow: 0 4px 16px rgba(14, 165, 233, 0.3);
}

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(14, 165, 233, 0.4);
}

.menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-white);
    transition: var(--transition);
    border-radius: 2px;
}

.navbar.scrolled .menu-toggle span {
    background: var(--primary-dark);
}

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

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

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

/* Mobile menu */
.nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100dvh;
    background: var(--gradient-hero);
    justify-content: center;
    align-items: center;
    gap: 24px;
    z-index: -1;
    animation: fadeIn 0.3s ease;
}

.nav-links.mobile-open a {
    color: var(--text-white);
    font-size: 20px;
}

/* ============================================
   BUTTONS — Clean Water Feel
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-full);
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    white-space: nowrap;
    letter-spacing: 0.2px;
}

.btn-primary {
    background: var(--gradient);
    color: var(--text-white);
    border-color: transparent;
    box-shadow: 0 4px 20px rgba(14, 165, 233, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(14, 165, 233, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--text-white);
    border-color: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(4px);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-light);
    color: var(--accent-light);
    transform: translateY(-2px);
}

.btn-block {
    width: 100%;
}

.btn-large {
    padding: 18px 40px;
    font-size: 17px;
}

/* ============================================
   HERO — Deep Ocean Gradient + Water Particles
   ============================================ */
.hero {
    min-height: 100dvh;
    display: flex;
    align-items: center;
    position: relative;
    background: var(--gradient-hero);
    overflow: hidden;
    padding: 100px 0 80px;
}

/* Water Ambient Glow */
.hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: ambientFloat 12s ease-in-out infinite;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -15%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: ambientFloat 15s ease-in-out infinite reverse;
    pointer-events: none;
}

.hero-bg-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent-light);
    border-radius: 50%;
    opacity: 0;
    animation: particleFloat 8s ease-in-out infinite;
}

.hero-container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr;
    align-items: center;
    gap: 40px;
}

.hero-content {
    max-width: 680px;
}

/* ===  HERO VISUAL SHOWCASE === */
.hero-visual {
    display: none;
    position: relative;
    height: 520px;
}

/* Main designer image */
.hero-image-wrapper {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-image {
    width: 100%;
    max-width: 460px;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 20px 60px rgba(14, 165, 233, 0.25));
    animation: heroImageFloat 6s ease-in-out infinite, fadeInUp 1s ease 0.4s both;
    position: relative;
    z-index: 2;
}

.hero-image-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.2) 0%, rgba(6, 182, 212, 0.08) 40%, transparent 70%);
    border-radius: 50%;
    z-index: 1;
    animation: glowPulse 4s ease-in-out infinite;
}

@keyframes heroImageFloat {

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

    50% {
        transform: translateY(-14px);
    }
}

@keyframes glowPulse {

    0%,
    100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.8;
    }

    50% {
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 1;
    }
}

.showcase-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-md);
    transition: var(--transition);
    cursor: default;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.08);
    z-index: 3;
}

.showcase-card:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(56, 189, 248, 0.3);
    transform: translateY(-4px) !important;
    box-shadow: 0 12px 40px rgba(14, 165, 233, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.showcase-card-1 {
    top: 30px;
    right: -10px;
    animation: showcaseFloat1 6s ease-in-out infinite, fadeInUp 0.8s ease 0.8s both;
}

.showcase-card-2 {
    top: 50%;
    left: -30px;
    transform: translateY(-50%);
    animation: showcaseFloat2 7s ease-in-out infinite, fadeInUp 0.8s ease 1.1s both;
}

.showcase-card-3 {
    bottom: 40px;
    right: 0px;
    animation: showcaseFloat3 8s ease-in-out infinite, fadeInUp 0.8s ease 1.4s both;
}

.showcase-card-icon {
    font-size: 28px;
    flex-shrink: 0;
    filter: drop-shadow(0 2px 6px rgba(14, 165, 233, 0.2));
}

.showcase-card-body {
    flex: 1;
    min-width: 0;
}

.showcase-card-tag {
    display: inline-block;
    padding: 2px 10px;
    background: var(--gradient);
    color: white;
    border-radius: var(--radius-full);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 4px;
}

.showcase-card-body h4 {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: 2px;
    letter-spacing: -0.2px;
}

.showcase-card-body p {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.4;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.showcase-card-price {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    color: var(--accent-light);
    flex-shrink: 0;
    text-shadow: 0 0 20px rgba(103, 232, 249, 0.3);
}

/* Decorative rings */
.hero-decor-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(56, 189, 248, 0.1);
    pointer-events: none;
}

.hero-decor-ring-1 {
    width: 300px;
    height: 300px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: ringPulse 8s ease-in-out infinite;
}

.hero-decor-ring-2 {
    width: 200px;
    height: 200px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-color: rgba(6, 182, 212, 0.08);
    animation: ringPulse 10s ease-in-out infinite reverse;
}

/* Decorative dots */
.hero-decor-dot {
    position: absolute;
    font-size: 14px;
    color: rgba(56, 189, 248, 0.3);
    pointer-events: none;
    animation: dotFloat 5s ease-in-out infinite;
}

.hero-decor-dot-1 {
    top: 60px;
    left: 20px;
    animation-delay: 0s;
}

.hero-decor-dot-2 {
    top: 260px;
    right: 350px;
    animation-delay: 1.5s;
    font-size: 10px;
    color: rgba(103, 232, 249, 0.25);
}

.hero-decor-dot-3 {
    bottom: 60px;
    left: 80px;
    animation-delay: 3s;
    font-size: 18px;
    color: rgba(14, 165, 233, 0.2);
}

@keyframes showcaseFloat1 {

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

    50% {
        transform: translateY(-12px) rotate(0.5deg);
    }
}

@keyframes showcaseFloat2 {

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

    50% {
        transform: translateY(-16px) rotate(-0.5deg);
    }
}

@keyframes showcaseFloat3 {

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

    50% {
        transform: translateY(-10px) rotate(0.3deg);
    }
}

@keyframes ringPulse {

    0%,
    100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.5;
    }

    50% {
        transform: translate(-50%, -50%) scale(1.15);
        opacity: 0.2;
    }
}

@keyframes dotFloat {

    0%,
    100% {
        transform: translateY(0);
        opacity: 0.5;
    }

    50% {
        transform: translateY(-10px);
        opacity: 1;
    }
}

.hero-wave {
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    z-index: 1;
}

.hero-wave svg {
    width: 100%;
    height: 80px;
    display: block;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(14, 165, 233, 0.1);
    border: 1px solid rgba(14, 165, 233, 0.2);
    border-radius: var(--radius-full);
    font-size: 13px;
    color: var(--accent-light);
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease 0.2s both;
    backdrop-filter: blur(8px);
    font-weight: 500;
}

.hero h1 {
    font-family: var(--font-display);
    font-size: 42px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-white);
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease 0.4s both;
    letter-spacing: -1px;
}

.gradient-text {
    background: linear-gradient(135deg, #38bdf8 0%, #67e8f9 50%, #06b6d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 16px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 32px;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-desc strong {
    color: rgba(255, 255, 255, 0.95);
    font-weight: 600;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
    animation: fadeInUp 0.8s ease 0.8s both;
}

.hero-stats {
    display: flex;
    gap: 24px;
    align-items: center;
    animation: fadeInUp 0.8s ease 1s both;
}

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

.stat-number {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 700;
    color: var(--accent-light);
    line-height: 1;
}

.stat-label {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.45);
    margin-top: 4px;
    font-weight: 400;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(56, 189, 248, 0.2);
}

.hero-wave {
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    z-index: 1;
}

.hero-wave svg {
    width: 100%;
    height: 80px;
    display: block;
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-tag {
    display: inline-block;
    padding: 6px 18px;
    background: rgba(14, 165, 233, 0.08);
    color: var(--primary);
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 16px;
    border: 1px solid rgba(14, 165, 233, 0.1);
}

.section-header h2 {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.section-header p {
    font-size: 16px;
    color: var(--text-light);
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ============================================
   SERVICES — Glass Cards
   ============================================ */
.services {
    padding: 80px 0;
    background: var(--bg-light);
    position: relative;
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.service-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border-card);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient);
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(14, 165, 233, 0.15);
}

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

.service-card.featured {
    border-color: rgba(14, 165, 233, 0.2);
    box-shadow: var(--shadow-md);
    background: linear-gradient(135deg, #ffffff 0%, #f0f9ff 100%);
}

.service-card.featured::before {
    opacity: 1;
}

.service-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 12px;
    background: var(--gradient);
    color: white;
    font-size: 11px;
    font-weight: 700;
    border-radius: var(--radius-full);
    letter-spacing: 1px;
    animation: pulse 2s ease-in-out infinite;
}

.service-icon {
    font-size: 40px;
    margin-bottom: 16px;
    filter: drop-shadow(0 2px 8px rgba(14, 165, 233, 0.15));
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-dark);
    letter-spacing: -0.3px;
}

.service-card p {
    font-size: 14px;
    color: var(--text-medium);
    margin-bottom: 16px;
    line-height: 1.7;
}

.service-features {
    list-style: none;
    margin-bottom: 20px;
}

.service-features li {
    padding: 4px 0;
    font-size: 13px;
    color: var(--text-medium);
}

.service-price {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
}

/* ============================================
   PORTFOLIO
   ============================================ */
.portfolio {
    padding: 80px 0;
    background: var(--bg-white);
}

.portfolio-filter {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.filter-btn {
    padding: 8px 20px;
    border: 1px solid var(--border-card);
    background: transparent;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-medium);
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--gradient);
    color: var(--text-white);
    border-color: var(--primary);
    box-shadow: 0 4px 16px rgba(14, 165, 233, 0.2);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.portfolio-item {
    transition: var(--transition);
}

.portfolio-item.hidden {
    display: none;
}

/* Portfolio Card — Image top, content bottom */
.portfolio-card {
    display: block;
    text-decoration: none;
    color: inherit;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-card);
    transition: var(--transition);
    cursor: pointer;
}

.portfolio-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(14, 165, 233, 0.15);
}

.portfolio-thumb {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/10;
}

.portfolio-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.portfolio-info {
    padding: 20px 24px 24px;
}

.portfolio-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(14, 165, 233, 0.08);
    color: var(--primary);
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 700;
    width: fit-content;
    margin-bottom: 10px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border: 1px solid rgba(14, 165, 233, 0.1);
}

.portfolio-info h4 {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
    letter-spacing: -0.3px;
}

.portfolio-info p {
    font-size: 14px;
    color: var(--text-medium);
    line-height: 1.6;
    margin-bottom: 14px;
}

.portfolio-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
}

.portfolio-link:hover {
    color: var(--primary-dark);
    gap: 8px;
}

/* Placeholder cards */
.placeholder-card {
    display: flex;
    align-items: center;
    justify-content: center;
}

.wedding-placeholder {
    background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 50%, #7dd3fc 100%);
}

.invitation-placeholder {
    background: linear-gradient(135deg, #ecfeff 0%, #cffafe 50%, #a5f3fc 100%);
}

.birthday-placeholder {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #bae6fd 100%);
}

.placeholder-emoji {
    font-size: 56px;
    display: block;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.1));
}

/* ============================================
   PRICING — Crystal Cards
   ============================================ */
.pricing {
    padding: 80px 0;
    background: var(--bg-light);
}

.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    border: 1px solid var(--border-card);
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(14, 165, 233, 0.15);
}

.pricing-card.popular {
    border-color: var(--primary);
    box-shadow: var(--shadow-md), 0 0 0 1px rgba(14, 165, 233, 0.1);
    transform: scale(1.02);
    background: linear-gradient(135deg, #ffffff 0%, #f0f9ff 100%);
}

.pricing-card.popular::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.pricing-card.popular:hover {
    transform: scale(1.02) translateY(-6px);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 20px;
    background: var(--gradient);
    color: var(--text-white);
    font-size: 11px;
    font-weight: 700;
    border-radius: var(--radius-full);
    letter-spacing: 1px;
    white-space: nowrap;
    box-shadow: 0 4px 16px rgba(14, 165, 233, 0.3);
}

.pricing-header {
    text-align: center;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 20px;
}

.pricing-header h3 {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: -0.3px;
}

.price {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 4px;
}

.price-amount {
    font-family: var(--font-display);
    font-size: 42px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.pricing-card.popular .price-amount {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-unit {
    font-size: 14px;
    color: var(--text-light);
    padding-bottom: 6px;
}

.pricing-features {
    list-style: none;
    margin-bottom: 24px;
    flex: 1;
}

.pricing-features li {
    padding: 8px 0;
    font-size: 14px;
    color: var(--text-medium);
    border-bottom: 1px solid rgba(14, 165, 233, 0.04);
}

.pricing-features li.disabled {
    color: var(--text-light);
    opacity: 0.5;
}

.pricing-card .btn-outline {
    color: var(--primary);
    border-color: var(--primary);
}

.pricing-card .btn-outline:hover {
    background: var(--gradient);
    color: var(--text-white);
    border-color: transparent;
    box-shadow: 0 4px 16px rgba(14, 165, 233, 0.3);
}

/* ============================================
   PROCESS — Water Flow Steps
   ============================================ */
.process {
    padding: 80px 0;
    background: var(--bg-white);
}

.process-steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    max-width: 800px;
    margin: 0 auto;
}

.process-connector {
    display: none;
}

.process-step {
    text-align: center;
    padding: 28px 24px;
    border-radius: var(--radius-lg);
    background: var(--bg-light);
    position: relative;
    transition: var(--transition);
    border: 1px solid transparent;
}

.process-step:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: rgba(14, 165, 233, 0.1);
    background: linear-gradient(135deg, #f0f9ff 0%, #ffffff 100%);
}

.step-number {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 800;
    color: rgba(14, 165, 233, 0.07);
    position: absolute;
    top: 12px;
    right: 20px;
}

.step-icon {
    font-size: 36px;
    margin-bottom: 12px;
}

.process-step h3 {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: -0.3px;
}

.process-step p {
    font-size: 14px;
    color: var(--text-medium);
    line-height: 1.6;
}

/* ============================================
   TESTIMONIALS — Ocean Dark
   ============================================ */
.testimonials {
    padding: 80px 0;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

/* Ambient water glow */
.testimonials::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -30%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.testimonials .section-tag {
    background: rgba(14, 165, 233, 0.15);
    color: var(--accent-light);
    border-color: rgba(14, 165, 233, 0.2);
}

.testimonials .section-header h2 {
    color: var(--text-white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    transition: var(--transition);
}

.testimonial-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-4px);
    border-color: rgba(14, 165, 233, 0.15);
    box-shadow: 0 8px 32px rgba(14, 165, 233, 0.1);
}

.testimonial-stars {
    font-size: 14px;
    margin-bottom: 16px;
}

.testimonial-text {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.8;
    font-style: italic;
    margin-bottom: 20px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(14, 165, 233, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    border: 1px solid rgba(14, 165, 233, 0.15);
}

.testimonial-author strong {
    display: block;
    color: var(--text-white);
    font-size: 15px;
    font-weight: 600;
}

.testimonial-author span {
    font-size: 12px;
    color: var(--accent-light);
}

/* ============================================
   FAQ — Minimal & Clean
   ============================================ */
.faq {
    padding: 80px 0;
    background: var(--bg-light);
}

.faq-list {
    max-width: 700px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    overflow: hidden;
    border: 1px solid var(--border-card);
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: var(--shadow-sm);
    border-color: rgba(14, 165, 233, 0.12);
}

.faq-item.active {
    border-color: rgba(14, 165, 233, 0.2);
    box-shadow: var(--shadow-md);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 24px;
    border: none;
    background: none;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 600;
    color: var(--text-dark);
    text-align: left;
}

.faq-icon {
    font-size: 20px;
    color: var(--primary);
    transition: var(--transition);
    flex-shrink: 0;
    margin-left: 16px;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
    color: var(--accent-dark);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 24px 18px;
    font-size: 14px;
    color: var(--text-medium);
    line-height: 1.8;
}

/* ============================================
   CTA — Ocean Gradient
   ============================================ */
.cta-section {
    padding: 80px 0;
    background: var(--gradient-hero);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.cta-content h2 {
    font-family: var(--font-display);
    font-size: 36px;
    color: var(--text-white);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.cta-content p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 32px;
}

.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.cta-trust {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-trust span {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}

/* ============================================
   FOOTER — Deep Ocean
   ============================================ */
.footer {
    background: var(--bg-dark);
    padding: 60px 0 0;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(14, 165, 233, 0.2), transparent);
}

.footer-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    padding-bottom: 40px;
}

.footer-brand .logo-text {
    font-size: 28px;
    color: var(--text-white);
    display: block;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.footer-brand p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.4);
    line-height: 1.7;
}

.footer-links h4 {
    color: var(--accent-light);
    font-family: var(--font-display);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
    font-weight: 600;
}

.footer-links a {
    display: block;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.4);
    padding: 6px 0;
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding: 20px 0;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.25);
    text-align: center;
}

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

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes particleFloat {

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

    10% {
        opacity: 0.5;
    }

    90% {
        opacity: 0.5;
    }

    50% {
        transform: translateY(-200px) translateX(50px);
    }
}

@keyframes ambientFloat {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(30px, -30px) scale(1.1);
    }

    66% {
        transform: translate(-20px, 20px) scale(0.95);
    }
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }

    100% {
        background-position: 200% 0;
    }
}

/* ============================================
   WATER EFFECTS — Mệnh Thủy
   ============================================ */

/* --- Custom Water Cursor --- */
.cursor-glow {
    position: fixed;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.35) 0%, rgba(14, 165, 233, 0.1) 50%, transparent 70%);
    pointer-events: none;
    z-index: 99999;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s, opacity 0.3s;
    mix-blend-mode: screen;
    will-change: transform;
}

.cursor-glow.hover {
    width: 50px;
    height: 50px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.5) 0%, rgba(14, 165, 233, 0.15) 50%, transparent 70%);
}

.cursor-trail {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 99998;
    overflow: hidden;
}

.cursor-droplet {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.4), rgba(103, 232, 249, 0.1));
    pointer-events: none;
    animation: dropletFade 1s ease-out forwards;
}

@keyframes dropletFade {
    0% {
        transform: scale(1);
        opacity: 0.6;
    }

    100% {
        transform: scale(2.5);
        opacity: 0;
    }
}

/* Hide custom cursor on mobile */
@media (max-width: 768px) {

    .cursor-glow,
    .cursor-trail {
        display: none !important;
    }
}

/* --- Section Water Flow Accents --- */
.portfolio::before,
.process::before,
.testimonials::before,
.faq::before {
    content: '';
    position: absolute;
    top: -2px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient);
    opacity: 0.15;
    filter: blur(3px);
}

.portfolio,
.process,
.testimonials,
.faq {
    position: relative;
}

/* Water Ripple Canvas */
.water-ripple {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    opacity: 0.4;
}

/* Animated Wave SVG */
.hero-wave svg {
    display: block;
}

.wave-back {
    animation: waveFlow 6s ease-in-out infinite;
    transform-origin: center;
}

.wave-front {
    animation: waveFlow 4s ease-in-out infinite reverse;
    transform-origin: center;
}

@keyframes waveFlow {

    0%,
    100% {
        d: path("M0,80 C240,120 480,40 720,80 C960,120 1200,40 1440,80 L1440,120 L0,120 Z");
    }

    50% {
        d: path("M0,60 C240,20 480,100 720,60 C960,20 1200,100 1440,60 L1440,120 L0,120 Z");
    }
}

/* Floating Water Bubbles */
.water-bubbles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
}

.water-bubble {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(56, 189, 248, 0.15), rgba(14, 165, 233, 0.05));
    border: 1px solid rgba(56, 189, 248, 0.1);
    animation: bubbleRise linear infinite;
    backdrop-filter: blur(1px);
}

@keyframes bubbleRise {
    0% {
        transform: translateY(100%) scale(0.5);
        opacity: 0;
    }

    10% {
        opacity: 1;
    }

    90% {
        opacity: 0.6;
    }

    100% {
        transform: translateY(-100%) scale(1);
        opacity: 0;
    }
}

/* Water shimmer on service cards */
.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.04), transparent);
    transition: none;
    animation: none;
}

.service-card:hover::before {
    animation: waterShimmer 1.5s ease forwards;
}

@keyframes waterShimmer {
    0% {
        left: -100%;
    }

    100% {
        left: 200%;
    }
}

/* Water glow on section transitions */
.services {
    position: relative;
    overflow: hidden;
}

.services::before {
    content: '';
    position: absolute;
    top: -2px;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient);
    opacity: 0.3;
    filter: blur(4px);
}

/* Pricing card water ripple hover */
.pricing-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 0%;
    background: linear-gradient(180deg, transparent, rgba(14, 165, 233, 0.03));
    transition: height 0.5s ease;
    border-radius: var(--radius-lg);
    z-index: 0;
}

.pricing-card:hover::after {
    height: 100%;
}

/* CTA water wave background */
.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(56, 189, 248, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(6, 182, 212, 0.08) 0%, transparent 50%);
    animation: waterAmbient 8s ease-in-out infinite alternate;
}

@keyframes waterAmbient {
    0% {
        opacity: 0.5;
        transform: scale(1);
    }

    100% {
        opacity: 1;
        transform: scale(1.05);
    }
}

/* Testimonial card water reflection */
.testimonial-card {
    position: relative;
    overflow: hidden;
}

.testimonial-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.03) 0%, transparent 60%);
    animation: waterReflection 6s ease-in-out infinite;
    pointer-events: none;
}

@keyframes waterReflection {

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

    25% {
        transform: translate(5%, 3%);
    }

    50% {
        transform: translate(-3%, 5%);
    }

    75% {
        transform: translate(3%, -3%);
    }
}

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   RESPONSIVE — Mobile Small (up to 374px)
   ============================================ */
@media (max-width: 374px) {
    .container {
        padding: 0 14px;
    }

    .hero h1 {
        font-size: 28px;
    }

    .hero-badge {
        font-size: 11px;
        padding: 6px 14px;
    }

    .hero-desc {
        font-size: 14px;
    }

    .hero-actions {
        flex-direction: column;
    }

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

    .stat-number {
        font-size: 24px;
    }

    .section-header h2 {
        font-size: 24px;
    }

    .section-header p {
        font-size: 14px;
    }

    .pricing-card {
        padding: 24px 18px;
    }

    .price-amount {
        font-size: 32px;
    }

    .cta-content h2 {
        font-size: 24px;
    }

    .cta-actions {
        flex-direction: column;
        align-items: center;
    }

    .cta-actions .btn {
        width: 100%;
    }

    .btn-large {
        padding: 16px 28px;
        font-size: 15px;
    }

    .faq-question {
        padding: 16px 18px;
        font-size: 14px;
    }

    .faq-answer p {
        padding: 0 18px 16px;
        font-size: 13px;
    }
}

/* ============================================
   RESPONSIVE — Mobile Base (up to 639px)
   ============================================ */
@media (max-width: 639px) {

    /* Global mobile spacing */
    .container {
        padding: 0 16px;
    }

    /* Navbar mobile */
    .navbar {
        padding: 12px 0;
    }

    .navbar.scrolled {
        padding: 8px 0;
    }

    .logo-text {
        font-size: 20px;
    }

    .logo-tagline {
        font-size: 9px;
        letter-spacing: 2px;
    }

    /* Menu toggle - bigger tap target */
    .menu-toggle {
        padding: 8px;
        min-width: 44px;
        min-height: 44px;
        align-items: center;
        justify-content: center;
    }

    /* Hero mobile */
    .hero {
        min-height: auto;
        padding: 90px 0 60px;
    }

    .hero h1 {
        font-size: 32px;
        line-height: 1.25;
        margin-bottom: 16px;
    }

    .hero-badge {
        font-size: 12px;
        padding: 6px 16px;
        margin-bottom: 20px;
    }

    .hero-desc {
        font-size: 15px;
        line-height: 1.7;
        margin-bottom: 24px;
    }

    .hero-actions {
        flex-direction: column;
        gap: 12px;
        margin-bottom: 36px;
    }

    .hero-actions .btn {
        width: 100%;
        justify-content: center;
        padding: 16px 24px;
        font-size: 16px;
    }

    .hero-stats {
        gap: 16px;
        justify-content: center;
    }

    .stat-number {
        font-size: 26px;
    }

    .stat-label {
        font-size: 11px;
    }

    .stat-divider {
        height: 32px;
    }

    .hero-wave svg {
        height: 50px;
    }

    /* Section spacing mobile */
    .services,
    .portfolio,
    .pricing,
    .process,
    .faq {
        padding: 56px 0;
    }

    .testimonials {
        padding: 56px 0;
    }

    .cta-section {
        padding: 56px 0;
    }

    /* Section headers mobile */
    .section-header {
        margin-bottom: 32px;
    }

    .section-header h2 {
        font-size: 26px;
        margin-bottom: 10px;
    }

    .section-header p {
        font-size: 14px;
        line-height: 1.6;
    }

    .section-tag {
        font-size: 11px;
        padding: 5px 14px;
        letter-spacing: 1px;
        margin-bottom: 12px;
    }

    /* Service cards mobile */
    .service-card {
        padding: 24px 20px;
    }

    .service-icon {
        font-size: 36px;
        margin-bottom: 12px;
    }

    .service-card h3 {
        font-size: 20px;
    }

    .service-card p {
        font-size: 13px;
    }

    .service-features li {
        font-size: 13px;
        padding: 5px 0;
    }

    .service-price {
        font-size: 18px;
    }

    .service-badge {
        font-size: 10px;
        padding: 3px 10px;
    }

    /* Portfolio filter mobile - horizontal scroll */
    .portfolio-filter {
        justify-content: flex-start;
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        padding-bottom: 8px;
        margin-bottom: 24px;
        gap: 6px;
    }

    .portfolio-filter::-webkit-scrollbar {
        display: none;
    }

    .filter-btn {
        flex-shrink: 0;
        padding: 8px 16px;
        font-size: 12px;
        min-height: 40px;
    }

    /* Portfolio cards mobile */
    .portfolio-info {
        padding: 16px 18px 20px;
    }

    .portfolio-info h4 {
        font-size: 16px;
    }

    .portfolio-info p {
        font-size: 13px;
        margin-bottom: 10px;
    }

    .portfolio-tag {
        font-size: 10px;
        padding: 3px 10px;
    }

    .portfolio-link {
        font-size: 13px;
    }

    .placeholder-emoji {
        font-size: 44px;
    }

    /* Pricing mobile */
    .pricing-grid {
        gap: 24px;
    }

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

    .pricing-card.popular {
        transform: none;
        order: -1;
    }

    .pricing-card.popular:hover {
        transform: translateY(-4px);
    }

    .pricing-header h3 {
        font-size: 18px;
    }

    .price-amount {
        font-size: 36px;
    }

    .pricing-features li {
        font-size: 13px;
        padding: 7px 0;
    }

    .popular-badge {
        font-size: 10px;
        padding: 5px 16px;
    }

    /* Buttons mobile - touch friendly */
    .btn {
        padding: 14px 28px;
        font-size: 14px;
        min-height: 48px;
    }

    .btn-block {
        padding: 14px 24px;
        font-size: 15px;
        min-height: 50px;
    }

    .btn-large {
        padding: 16px 32px;
        font-size: 16px;
        min-height: 52px;
    }

    /* Process steps mobile */
    .process-step {
        padding: 24px 20px;
    }

    .step-icon {
        font-size: 32px;
    }

    .step-number {
        font-size: 40px;
    }

    .process-step h3 {
        font-size: 16px;
    }

    .process-step p {
        font-size: 13px;
    }

    /* Testimonials mobile */
    .testimonial-card {
        padding: 24px 20px;
    }

    .testimonial-text {
        font-size: 14px;
        line-height: 1.7;
    }

    .testimonial-author strong {
        font-size: 14px;
    }

    .author-avatar {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }

    /* FAQ mobile */
    .faq-question {
        padding: 16px 20px;
        font-size: 14px;
        min-height: 52px;
    }

    .faq-icon {
        margin-left: 12px;
    }

    .faq-answer p {
        padding: 0 20px 16px;
        font-size: 13px;
    }

    /* CTA mobile */
    .cta-content h2 {
        font-size: 26px;
        margin-bottom: 12px;
    }

    .cta-content p {
        font-size: 14px;
        margin-bottom: 24px;
    }

    .cta-actions {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .cta-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .cta-trust {
        flex-direction: column;
        gap: 8px;
        align-items: center;
    }

    .cta-trust span {
        font-size: 12px;
    }

    /* Footer mobile */
    .footer {
        padding: 40px 0 0;
    }

    .footer-container {
        gap: 28px;
        padding-bottom: 28px;
    }

    .footer-brand .logo-text {
        font-size: 24px;
    }

    .footer-brand p {
        font-size: 13px;
    }

    .footer-links h4 {
        font-size: 13px;
        margin-bottom: 12px;
    }

    .footer-links a {
        font-size: 13px;
        padding: 7px 0;
        min-height: 36px;
        display: flex;
        align-items: center;
    }

    .footer-bottom {
        padding: 16px 0;
    }

    .footer-bottom p {
        font-size: 12px;
    }
}

/* ============================================
   RESPONSIVE — Tablet (640px+)
   ============================================ */
@media (min-width: 640px) {
    .services-grid {
        grid-template-columns: 1fr 1fr;
    }

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

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

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

    .process-steps {
        grid-template-columns: 1fr 1fr;
    }

    .footer-container {
        grid-template-columns: 2fr 1fr 1fr;
    }

    .hero h1 {
        font-size: 42px;
    }

    .hero-actions {
        flex-direction: row;
    }

    .hero-actions .btn {
        width: auto;
    }

    .cta-actions {
        flex-direction: row;
        justify-content: center;
    }

    .cta-actions .btn {
        width: auto;
    }
}

/* ============================================
   RESPONSIVE — Tablet Large (768px+)
   ============================================ */
@media (min-width: 768px) {
    .section-header h2 {
        font-size: 34px;
    }

    .hero h1 {
        font-size: 48px;
    }

    .hero-desc {
        font-size: 16px;
    }

    .cta-content h2 {
        font-size: 36px;
    }

    .portfolio-filter {
        justify-content: center;
        flex-wrap: wrap;
        overflow-x: visible;
    }
}

/* ============================================
   RESPONSIVE — Desktop (1024px+)
   ============================================ */
@media (min-width: 1024px) {
    .menu-toggle {
        display: none;
    }

    .nav-links {
        display: flex !important;
    }

    .hero-container {
        grid-template-columns: 1fr 1fr;
    }

    .hero-visual {
        display: block;
    }

    .hero h1 {
        font-size: 56px;
    }

    .services-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .portfolio-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .process-steps {
        grid-template-columns: repeat(4, 1fr);
    }

    .process-connector {
        display: none;
    }

    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .section-header h2 {
        font-size: 40px;
    }

    .cta-content h2 {
        font-size: 42px;
    }
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {

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

    .particle {
        display: none;
    }
}