:root {
    --cyan: #4AC9DB;
    --cyan-bright: #5FD7E8;
    --cyan-deep: #2FA8BC;
    --cyan-glow: rgba(74, 201, 219, 0.35);
    --cyan-soft: rgba(74, 201, 219, 0.08);
    --black: #0A0D10;
    --ink: #0F1518;
    --ink-2: #1A2226;
    --white: #FFFFFF;
    --off-white: #F7FBFC;
    --muted: #6B7A80;
    --line: rgba(10, 13, 16, 0.08);
    --line-light: rgba(255, 255, 255, 0.1);

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;

    --radius: 16px;
    --radius-lg: 28px;
    --container: 1200px;
    --nav-h: 72px;

    --shadow-sm: 0 4px 16px rgba(10, 13, 16, 0.06);
    --shadow-md: 0 12px 40px rgba(10, 13, 16, 0.08);
    --shadow-cyan: 0 12px 40px rgba(74, 201, 219, 0.25);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background: var(--white);
    color: var(--ink);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}

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

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

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

/* ========= NAV ========= */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--nav-h);
    background: rgba(10, 13, 16, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: background 0.3s ease, border-color 0.3s ease;
}

.nav.scrolled {
    background: rgba(10, 13, 16, 0.92);
}

.nav-inner {
    max-width: var(--container);
    height: 100%;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-logo {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    object-fit: cover;
}

.nav-title {
    color: var(--white);
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 0.2px;
}

.nav-title em {
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 500;
    color: var(--cyan);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a:not(.nav-cta) {
    color: rgba(255, 255, 255, 0.75);
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-links a:not(.nav-cta):hover {
    color: var(--cyan);
}

.nav-cta {
    background: var(--cyan);
    color: var(--black) !important;
    padding: 10px 20px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    transition: background 0.2s ease, transform 0.2s ease;
}

.nav-cta:hover {
    background: var(--cyan-bright);
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    width: 40px;
    height: 40px;
    padding: 8px;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ========= BUTTONS ========= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 28px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 15px;
    letter-spacing: 0.2px;
    cursor: pointer;
    transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
    border: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--cyan);
    color: var(--black);
    box-shadow: var(--shadow-cyan);
}

.btn-primary:hover {
    background: var(--cyan-bright);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--white);
    border: 1.5px solid rgba(255, 255, 255, 0.2);
}

.btn-ghost:hover {
    border-color: var(--cyan);
    color: var(--cyan);
}

.btn-small {
    padding: 12px 20px;
    font-size: 14px;
}

.btn-full {
    width: 100%;
}

/* ========= HERO ========= */
.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    background: radial-gradient(ellipse at top, #102026 0%, var(--black) 60%);
    color: var(--white);
    overflow: hidden;
    display: flex;
    align-items: center;
    padding: calc(var(--nav-h) + 60px) 24px 80px;
}

.hero-glow {
    position: absolute;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 900px;
    height: 900px;
    background: radial-gradient(circle, var(--cyan-glow) 0%, transparent 60%);
    filter: blur(60px);
    pointer-events: none;
    animation: float 12s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-30px); }
}

.hero-inner {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: rgba(74, 201, 219, 0.1);
    border: 1px solid rgba(74, 201, 219, 0.3);
    border-radius: 999px;
    font-size: 13px;
    color: var(--cyan);
    font-weight: 500;
    margin-bottom: 32px;
    backdrop-filter: blur(8px);
}

.hero-badge .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--cyan);
    box-shadow: 0 0 12px var(--cyan);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    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(48px, 8vw, 104px);
    font-weight: 500;
    line-height: 1;
    letter-spacing: -0.02em;
    margin-bottom: 28px;
}

.hero-title em {
    font-style: italic;
    background: linear-gradient(135deg, var(--cyan-bright), var(--cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-sub {
    font-size: clamp(16px, 1.6vw, 19px);
    color: rgba(255, 255, 255, 0.7);
    max-width: 640px;
    margin: 0 auto 40px;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 72px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-stats > div {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.hero-stats strong {
    font-family: var(--font-display);
    font-size: 36px;
    color: var(--cyan);
    font-weight: 600;
    line-height: 1;
}

.hero-stats span {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.55);
    letter-spacing: 0.4px;
    text-transform: uppercase;
}

.hero-drop {
    position: absolute;
    right: -120px;
    bottom: -120px;
    width: 400px;
    height: 400px;
    opacity: 0.15;
    pointer-events: none;
}

.hero-drop img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    filter: blur(2px);
}

/* ========= SECTIONS ========= */
.section {
    padding: 120px 24px;
    position: relative;
}

.section-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 72px;
}

.eyebrow {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--cyan-deep);
    margin-bottom: 16px;
}

.eyebrow.light {
    color: var(--cyan);
}

.heading {
    font-family: var(--font-display);
    font-size: clamp(36px, 5vw, 60px);
    font-weight: 500;
    line-height: 1.05;
    letter-spacing: -0.02em;
    color: var(--ink);
    margin-bottom: 24px;
}

.heading.light {
    color: var(--white);
}

.heading em {
    font-style: italic;
    color: var(--cyan-deep);
}

.heading.light em {
    color: var(--cyan);
}

.lead {
    font-size: 18px;
    line-height: 1.7;
    color: var(--muted);
    max-width: 560px;
}

.lead.light {
    color: rgba(255, 255, 255, 0.75);
}

/* ========= ABOUT ========= */
.section-about {
    background: var(--white);
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.grid-2-reverse {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.bullets {
    list-style: none;
    margin-top: 32px;
    display: grid;
    gap: 12px;
}

.bullets li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--ink);
    font-weight: 500;
}

.bullets .check {
    width: 24px;
    height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--cyan-soft);
    color: var(--cyan-deep);
    border-radius: 50%;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
}

.about-card {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-lg);
    background: linear-gradient(145deg, var(--black), var(--ink-2));
    padding: 48px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -30%;
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, var(--cyan-glow), transparent 70%);
    filter: blur(40px);
}

.about-card::after {
    content: '';
    position: absolute;
    bottom: -40px;
    right: -40px;
    width: 240px;
    height: 240px;
    border: 1.5px solid rgba(74, 201, 219, 0.2);
    border-radius: 50%;
}

.about-card-inner {
    position: relative;
    z-index: 1;
    color: var(--white);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.about-highlight h3 {
    font-family: var(--font-display);
    font-size: clamp(32px, 3.5vw, 44px);
    font-weight: 500;
    line-height: 1.1;
    margin-bottom: 16px;
}

.about-highlight p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 16px;
    line-height: 1.6;
    max-width: 380px;
}

.about-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--cyan);
    font-weight: 600;
    font-size: 15px;
    transition: gap 0.2s ease;
    align-self: flex-start;
}

.about-link:hover {
    gap: 14px;
}

/* ========= SERVICES ========= */
.section-services {
    background: var(--off-white);
    position: relative;
}

.section-services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--line), transparent);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.service-card {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 32px;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    position: relative;
    overflow: hidden;
}

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

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--cyan), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.service-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--cyan-soft);
    color: var(--cyan-deep);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: background 0.3s ease, color 0.3s ease;
}

.service-icon svg {
    width: 26px;
    height: 26px;
}

.service-card:hover .service-icon {
    background: var(--cyan);
    color: var(--white);
}

.service-card h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 10px;
    letter-spacing: -0.01em;
}

.service-card p {
    font-size: 14.5px;
    line-height: 1.6;
    color: var(--muted);
}

.service-card-cert {
    grid-column: span 2;
}

.service-card-cta {
    background: linear-gradient(145deg, var(--black), var(--ink-2));
    color: var(--white);
    border: none;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    grid-column: span 2;
    padding: 36px;
}

.service-card-cta h3 {
    color: var(--white);
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 500;
    margin-bottom: 12px;
}

.service-card-cta p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 24px;
    font-size: 15px;
}

.service-card-cta:hover {
    border-color: transparent;
}

/* ========= SERVICE AREA ========= */
.section-area {
    background: var(--white);
}

.area-visual {
    position: relative;
    aspect-ratio: 1;
    max-width: 480px;
    margin: 0 auto;
}

.area-map {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.area-wave {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    animation: rotate-slow 40s linear infinite;
}

@keyframes rotate-slow {
    to { transform: rotate(360deg); }
}

.pin {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--white);
    color: var(--ink);
    padding: 10px 18px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 14px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--line);
    z-index: 2;
}

.pin::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--cyan);
    box-shadow: 0 0 12px var(--cyan);
    animation: pulse 2s ease-in-out infinite;
}

.pin-1 {
    top: 35%;
    left: 15%;
}

.pin-2 {
    top: 20%;
    right: 15%;
}

.area-cards {
    display: grid;
    gap: 12px;
    margin-top: 32px;
}

.area-card {
    background: var(--off-white);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.area-card:hover {
    border-color: var(--cyan);
    transform: translateX(4px);
}

.area-card strong {
    font-size: 15px;
    color: var(--ink);
    font-weight: 600;
}

.area-card span {
    font-size: 14px;
    color: var(--muted);
}

/* ========= CONTACT ========= */
.section-contact {
    background: linear-gradient(145deg, var(--black), #141e22);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.section-contact::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, var(--cyan-glow), transparent 60%);
    filter: blur(80px);
    pointer-events: none;
}

.contact-inner {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.contact-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(12px);
    border-radius: var(--radius-lg);
    padding: 40px;
    display: grid;
    gap: 24px;
}

.contact-row {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.contact-row:last-of-type {
    padding-bottom: 0;
    border-bottom: none;
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--cyan-soft);
    color: var(--cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 22px;
    height: 22px;
}

.contact-label {
    display: block;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 4px;
}

.contact-value {
    display: block;
    font-size: 18px;
    font-weight: 600;
    color: var(--white);
    transition: color 0.2s ease;
}

a.contact-value:hover {
    color: var(--cyan);
}

/* ========= FOOTER ========= */
.footer {
    background: var(--black);
    color: var(--white);
    padding: 48px 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 24px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.footer-logo {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    object-fit: cover;
}

.footer-brand strong {
    display: block;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 2px;
}

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

.footer-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

.footer-meta a:hover {
    color: var(--cyan);
}

.footer-copy {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
    width: 100%;
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    margin-top: 8px;
}

/* ========= RESPONSIVE ========= */
@media (max-width: 960px) {
    .nav-toggle { display: flex; }

    .nav-links {
        position: fixed;
        top: var(--nav-h);
        left: 0;
        right: 0;
        background: rgba(10, 13, 16, 0.98);
        backdrop-filter: blur(16px);
        flex-direction: column;
        align-items: stretch;
        padding: 32px 24px;
        gap: 20px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        transform: translateY(-120%);
        transition: transform 0.35s cubic-bezier(0.5, 0, 0.2, 1);
        pointer-events: none;
    }

    .nav-links.open {
        transform: translateY(0);
        pointer-events: auto;
    }

    .nav-links a:not(.nav-cta) {
        font-size: 17px;
        padding: 8px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .nav-cta {
        text-align: center;
        margin-top: 8px;
        padding: 14px 20px;
    }

    .grid-2,
    .grid-2-reverse {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .grid-2-reverse .area-visual {
        order: 2;
    }

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

    .service-card-cert,
    .service-card-cta {
        grid-column: span 2;
    }

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

    .section {
        padding: 80px 24px;
    }
}

@media (max-width: 600px) {
    .hero-stats {
        gap: 32px;
    }

    .hero-stats strong {
        font-size: 28px;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

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

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

    .service-card-cert,
    .service-card-cta {
        grid-column: span 1;
    }

    .about-card {
        padding: 32px;
        aspect-ratio: auto;
    }

    .contact-card {
        padding: 28px;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }

    .pin-1, .pin-2 {
        font-size: 12px;
        padding: 8px 14px;
    }
}

/* ========= REVEAL ANIMATIONS ========= */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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