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

:root {
    --midnight: #0a2540;
    --midnight-light: #0d3156;
    --midnight-dark: #061a2e;
    --mint: #4fd1c5;
    --mint-light: #7eddd5;
    --mint-dark: #3db8ad;
    --white: #ffffff;
    --off-white: #f7fafc;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    --shadow-sm: 0 1px 2px rgba(10, 37, 64, 0.06);
    --shadow-md: 0 4px 16px rgba(10, 37, 64, 0.08);
    --shadow-lg: 0 12px 40px rgba(10, 37, 64, 0.12);
    --shadow-xl: 0 20px 60px rgba(10, 37, 64, 0.15);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--gray-800);
    background: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.page-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ── Navbar ── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-200);
    transition: box-shadow var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--midnight);
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: -0.02em;
}

.nav-logo-icon {
    color: var(--mint);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--gray-600);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--mint);
    transition: width var(--transition);
}

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

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

.nav-cta {
    background: var(--midnight);
    color: var(--white) !important;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-weight: 600 !important;
    transition: background var(--transition), transform var(--transition) !important;
}

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

.nav-cta:hover {
    background: var(--midnight-light);
    color: var(--white) !important;
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.hamburger {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--midnight);
    position: relative;
    transition: var(--transition);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 22px;
    height: 2px;
    background: var(--midnight);
    transition: var(--transition);
}

.hamburger::before { top: -7px; }
.hamburger::after { bottom: -7px; }

.nav-toggle.active .hamburger {
    background: transparent;
}

.nav-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle.active .hamburger::after {
    bottom: 0;
    transform: rotate(-45deg);
}

/* ── Hero ── */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--midnight);
    padding: 72px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(79, 209, 197, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -10%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(79, 209, 197, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.hero-grid {
    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(79, 209, 197, 0.12);
    border: 1px solid rgba(79, 209, 197, 0.25);
    color: var(--mint-light);
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 28px;
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--mint);
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.4rem, 5vw, 3.8rem);
    font-weight: 700;
    color: var(--white);
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
}

.hero-accent {
    color: var(--mint);
}

.hero-subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    max-width: 480px;
    margin-bottom: 36px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 56px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition);
    cursor: pointer;
    border: none;
    font-family: var(--font-body);
}

.btn-primary {
    background: var(--mint);
    color: var(--midnight);
}

.btn-primary:hover {
    background: var(--mint-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(79, 209, 197, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 1.5px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    border-color: var(--mint);
    color: var(--mint);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

.hero-stats {
    display: flex;
    gap: 32px;
    align-items: center;
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--mint);
    line-height: 1;
}

.stat-label {
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.15);
}

.hero-image {
    position: relative;
}

.hero-img-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.hero-img-wrapper img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 640/720;
    object-fit: cover;
}

.hero-img-accent {
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(79, 209, 197, 0.2);
    pointer-events: none;
}

.hero-float-card {
    position: absolute;
    bottom: -20px;
    left: -30px;
    background: var(--white);
    padding: 16px 20px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--midnight);
    z-index: 2;
}

/* ── Section shared ── */
section {
    padding: 100px 0;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--mint-dark);
    margin-bottom: 16px;
}

.section-label::before {
    content: '';
    width: 24px;
    height: 2px;
    background: var(--mint);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 700;
    color: var(--midnight);
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}

.accent {
    color: var(--mint-dark);
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--gray-500);
    line-height: 1.7;
    max-width: 560px;
}

/* ── Services ── */
.services {
    background: var(--off-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 56px;
}

.service-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 36px 28px;
    border: 1px solid var(--gray-200);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

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

.service-card:hover {
    border-color: var(--mint);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

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

.service-icon {
    width: 52px;
    height: 52px;
    background: rgba(79, 209, 197, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--mint-dark);
    margin-bottom: 20px;
    transition: all var(--transition);
}

.service-card:hover .service-icon {
    background: var(--mint);
    color: var(--midnight);
}

.service-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--midnight);
    margin-bottom: 10px;
    letter-spacing: -0.01em;
}

.service-card p {
    font-size: 0.9rem;
    color: var(--gray-500);
    line-height: 1.65;
}

/* ── About ── */
.about {
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.about-image img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 600/500;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

.about-img-overlay {
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(79, 209, 197, 0.15);
    pointer-events: none;
}

.about-content .section-title {
    margin-top: 8px;
}

.about-text {
    font-size: 1rem;
    color: var(--gray-600);
    line-height: 1.75;
    margin-bottom: 16px;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 32px;
}

.about-feature {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.88rem;
    color: var(--gray-700);
    font-weight: 500;
}

.about-feature svg {
    flex-shrink: 0;
    margin-top: 2px;
}

/* ── Quality ── */
.quality {
    background: var(--midnight);
    position: relative;
    overflow: hidden;
}

.quality::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -15%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(79, 209, 197, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.quality-content {
    position: relative;
    z-index: 1;
}

.quality-label {
    color: var(--mint);
}

.quality-label::before {
    background: var(--mint);
}

.quality-title {
    color: var(--white);
}

.quality-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    margin-top: 56px;
}

.quality-item {
    text-align: left;
}

.quality-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--mint);
    line-height: 1;
    margin-bottom: 4px;
}

.quality-unit {
    font-size: 0.85rem;
    color: var(--mint-dark);
    font-weight: 600;
    margin-bottom: 12px;
    display: block;
}

.quality-item h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}

.quality-item p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.65;
}

/* ── Process ── */
.process {
    background: var(--off-white);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 56px;
}

.process-step {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 32px 24px;
    border: 1px solid var(--gray-200);
    position: relative;
    transition: all var(--transition);
}

.process-step:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.step-number {
    font-family: var(--font-display);
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--gray-200);
    line-height: 1;
    margin-bottom: 16px;
    transition: color var(--transition);
}

.process-step:hover .step-number {
    color: var(--mint);
}

.step-content h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--midnight);
    margin-bottom: 8px;
}

.step-content p {
    font-size: 0.88rem;
    color: var(--gray-500);
    line-height: 1.65;
}

/* ── Contact ── */
.contact {
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.contact-intro {
    font-size: 1rem;
    color: var(--gray-500);
    line-height: 1.7;
    margin-bottom: 36px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.detail-icon {
    width: 44px;
    height: 44px;
    background: rgba(79, 209, 197, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--mint-dark);
    flex-shrink: 0;
}

.detail-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--gray-400);
    margin-bottom: 4px;
}

.detail-value {
    display: block;
    font-size: 0.95rem;
    color: var(--midnight);
    font-weight: 500;
    line-height: 1.5;
}

.contact-detail a {
    color: var(--midnight);
    text-decoration: none;
    transition: color var(--transition);
}

.contact-detail a:hover {
    color: var(--mint-dark);
}

.contact-form-wrapper {
    background: var(--off-white);
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid var(--gray-200);
}

.contact-form h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--midnight);
    margin-bottom: 28px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
}

.form-group.full {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--gray-700);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 14px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-family: var(--font-body);
    color: var(--gray-800);
    background: var(--white);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--mint);
    box-shadow: 0 0 0 3px rgba(79, 209, 197, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-400);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-success {
    display: none;
    align-items: center;
    gap: 10px;
    padding: 16px 20px;
    background: rgba(79, 209, 197, 0.1);
    border: 1px solid rgba(79, 209, 197, 0.3);
    border-radius: var(--radius-sm);
    margin-top: 16px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--midnight);
}

.form-success.show {
    display: flex;
}

/* ── Footer ── */
.footer {
    background: var(--midnight-dark);
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand {
    max-width: 280px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--white);
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 16px;
}

.footer-logo svg {
    color: var(--mint);
}

.footer-tagline {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.65;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--mint);
    margin-bottom: 20px;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    text-decoration: none;
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.55);
    transition: color var(--transition);
}

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

.footer-contact p {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.7;
    margin-bottom: 4px;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.55);
    text-decoration: none;
    transition: color var(--transition);
}

.footer-contact a:hover {
    color: var(--mint);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.35);
}

/* ── Mobile nav ── */
@media (max-width: 900px) {
    .nav-toggle {
        display: block;
        z-index: 1001;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px 32px 40px;
        gap: 24px;
        box-shadow: var(--shadow-xl);
        transition: right var(--transition);
    }

    .nav-links.open {
        right: 0;
    }

    .nav-links a {
        font-size: 1rem;
    }

    .nav-cta {
        margin-top: 8px;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .hero-image {
        order: -1;
        max-width: 480px;
        margin: 0 auto;
    }

    .hero-float-card {
        left: 10px;
        bottom: -10px;
    }

    .hero-stats {
        gap: 24px;
    }

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

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image {
        max-width: 480px;
    }

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

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

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

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

    .footer-brand {
        grid-column: 1 / -1;
        max-width: 100%;
    }
}

@media (max-width: 600px) {
    section {
        padding: 72px 0;
    }

    .container {
        padding: 0 20px;
    }

    .nav-inner {
        padding: 0 20px;
    }

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

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

    .hero-actions .btn {
        width: 100%;
        text-align: center;
    }

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

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

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

    .quality-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

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

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

    .contact-form-wrapper {
        padding: 24px;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
}

/* ── Scroll reveal (below-fold only, progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
    .reveal-delay-5 { transition-delay: 0.5s; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}