/* ═══════════════════════════════════════════════
   DNA Digital Transformation — styles.css
   ═══════════════════════════════════════════════ */

/* ─── VARIABLES ─── */
:root {
    --cyan: #00e5ff;
    --cyan-glow: rgba(0, 229, 255, 0.15);
    --cyan-dim: rgba(0, 229, 255, 0.08);
    --dark-bg: #0a0a0f;
    --dark-card: #111118;
    --dark-card-hover: #16161f;
    --dark-border: rgba(0, 229, 255, 0.12);
    --text-primary: #e8e8ed;
    --text-secondary: #8a8a9a;
    --text-dim: #5a5a6a;
    --white: #ffffff;
    --gradient-cyan: linear-gradient(135deg, #00e5ff 0%, #00b8d4 100%);
}

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

html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--cyan) var(--dark-bg);
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Outfit', sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    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;
}

/* ─── NOISE OVERLAY ─── */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 9999;
}

/* ─── ACCESSIBILITY ─── */
.skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    padding: 0.5rem 1rem;
    background: var(--cyan);
    color: var(--dark-bg);
    font-weight: 600;
    border-radius: 0 0 8px 8px;
    z-index: 10000;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
}

/* ═══════════════════════════════════
   NAVIGATION
═══════════════════════════════════ */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 2rem;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--dark-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

nav.scrolled {
    padding: 0.6rem 2rem;
    background: rgba(10, 10, 15, 0.95);
}

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

.nav-logo img {
    height: 44px;
    width: auto;
    transition: height 0.3s ease;
    filter: drop-shadow(0 0 8px rgba(0, 229, 255, 0.15));
}

nav.scrolled .nav-logo img {
    height: 34px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--cyan);
    transition: width 0.3s ease;
}

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

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

.lang-toggle {
    display: flex;
    border: 1px solid var(--dark-border);
    border-radius: 6px;
    overflow: hidden;
}

.lang-btn {
    padding: 0.35rem 0.7rem;
    font-size: 0.75rem;
    font-family: 'JetBrains Mono', monospace;
    background: transparent;
    color: var(--text-dim);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.05em;
}

.lang-btn.active {
    background: var(--cyan);
    color: var(--dark-bg);
    font-weight: 500;
}

.nav-cta {
    padding: 0.55rem 1.4rem;
    background: transparent;
    border: 1px solid var(--cyan);
    color: var(--cyan);
    font-family: 'Outfit', sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.nav-cta:hover {
    background: var(--cyan);
    color: var(--dark-bg);
    box-shadow: 0 0 30px rgba(0, 229, 255, 0.2);
}

/* Mobile toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 8px 4px;
    z-index: 1001;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

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

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

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

/* ═══════════════════════════════════
   HERO
═══════════════════════════════════ */
#home {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 8rem 2rem 4rem;
    position: relative;
    overflow: hidden;
}

.hero-grid-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 229, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 229, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 20%, transparent 70%);
}

.hero-glow {
    position: absolute;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 229, 255, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 850px;
}

.hero-tag {
    display: inline-block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--cyan);
    padding: 0.5rem 1.2rem;
    border: 1px solid var(--dark-border);
    border-radius: 40px;
    margin-bottom: 2rem;
    background: var(--cyan-dim);
    opacity: 0;
    animation: fadeUp 0.8s ease 0.2s forwards;
}

.hero-title {
    font-size: clamp(2.2rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeUp 0.8s ease 0.4s forwards;
}

.hero-title .accent {
    background: var(--gradient-cyan);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.15rem);
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto 2.5rem;
    font-weight: 300;
    line-height: 1.7;
    opacity: 0;
    animation: fadeUp 0.8s ease 0.6s forwards;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 2.2rem;
    background: var(--gradient-cyan);
    color: var(--dark-bg);
    font-family: 'Outfit', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 0;
    animation: fadeUp 0.8s ease 0.8s forwards;
}

.hero-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 40px rgba(0, 229, 255, 0.3);
}

.hero-cta svg {
    width: 18px;
    height: 18px;
    transition: transform 0.3s ease;
}

.hero-cta:hover svg {
    transform: translateX(4px);
}

/* ═══════════════════════════════════
   SECTIONS SHARED
═══════════════════════════════════ */
section {
    padding: 7rem 2rem;
    position: relative;
}

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

.section-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--cyan);
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: clamp(0.95rem, 2vw, 1.1rem);
    color: var(--text-secondary);
    max-width: 600px;
    font-weight: 300;
    line-height: 1.7;
    margin-bottom: 3.5rem;
}

.section-divider {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--dark-border), transparent);
}

/* ═══════════════════════════════════
   SERVICES
═══════════════════════════════════ */
#services {
    background: linear-gradient(180deg, var(--dark-bg) 0%, rgba(17, 17, 24, 0.5) 50%, var(--dark-bg) 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.2rem;
}

.service-card {
    padding: 2rem;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 12px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-cyan);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.service-card:hover {
    background: var(--dark-card-hover);
    border-color: rgba(0, 229, 255, 0.25);
    transform: translateY(-4px);
}

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

.service-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: var(--cyan-dim);
    border: 1px solid var(--dark-border);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.2rem;
    font-size: 1.3rem;
}

.service-card h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.6rem;
    color: var(--white);
}

.service-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
    font-weight: 300;
}

/* ═══════════════════════════════════
   ABOUT
═══════════════════════════════════ */
.about-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    color: var(--text-secondary);
    font-weight: 300;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-size: 1.02rem;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.stat-card {
    padding: 1.8rem;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
}

.stat-card:hover {
    border-color: rgba(0, 229, 255, 0.3);
}

.stat-number {
    font-size: 2.2rem;
    font-weight: 700;
    background: var(--gradient-cyan);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.3rem;
    font-family: 'JetBrains Mono', monospace;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* ═══════════════════════════════════
   CONTACT
═══════════════════════════════════ */
#contact {
    background: linear-gradient(180deg, var(--dark-bg) 0%, rgba(17, 17, 24, 0.5) 100%);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: start;
}

.contact-info p {
    color: var(--text-secondary);
    font-weight: 300;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.contact-detail {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.contact-detail svg {
    width: 18px;
    height: 18px;
    color: var(--cyan);
    flex-shrink: 0;
}

.contact-form {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 16px;
    padding: 2.5rem;
}

.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.8rem 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--dark-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: 'Outfit', sans-serif;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    outline: none;
    -webkit-appearance: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--cyan);
    box-shadow: 0 0 0 3px var(--cyan-dim);
}

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

.form-group select option {
    background: var(--dark-card);
    color: var(--text-primary);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
}

.submit-btn {
    width: 100%;
    padding: 0.9rem 2rem;
    background: var(--gradient-cyan);
    color: var(--dark-bg);
    font-family: 'Outfit', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 0.5rem;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 40px rgba(0, 229, 255, 0.25);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.form-status {
    text-align: center;
    margin-top: 1rem;
    font-size: 0.85rem;
    min-height: 1.2em;
}

.form-status.success { color: #4caf50; }
.form-status.error { color: #ff5252; }

/* ═══════════════════════════════════
   FOOTER
═══════════════════════════════════ */
footer {
    padding: 2.5rem 2rem;
    border-top: 1px solid var(--dark-border);
    text-align: center;
}

footer p {
    font-size: 0.8rem;
    color: var(--text-dim);
}

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

/* ═══════════════════════════════════
   COOKIE BANNER
═══════════════════════════════════ */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9998;
    background: rgba(17, 17, 24, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--dark-border);
    padding: 1.2rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    transform: translateY(100%);
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.cookie-banner.visible {
    transform: translateY(0);
}

.cookie-banner.hidden {
    transform: translateY(100%);
    pointer-events: none;
}

.cookie-text {
    flex: 1;
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.cookie-text a {
    color: var(--cyan);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.cookie-actions {
    display: flex;
    gap: 0.8rem;
    flex-shrink: 0;
}

.cookie-btn {
    padding: 0.55rem 1.3rem;
    border-radius: 6px;
    font-family: 'Outfit', sans-serif;
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    white-space: nowrap;
}

.cookie-btn.accept {
    background: var(--gradient-cyan);
    color: var(--dark-bg);
}

.cookie-btn.accept:hover {
    box-shadow: 0 4px 20px rgba(0, 229, 255, 0.3);
    transform: translateY(-1px);
}

.cookie-btn.decline,
.cookie-btn.settings {
    background: transparent;
    border: 1px solid var(--dark-border);
    color: var(--text-secondary);
}

.cookie-btn.decline:hover,
.cookie-btn.settings:hover {
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

/* ═══════════════════════════════════
   COOKIE MODAL
═══════════════════════════════════ */
.cookie-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.cookie-modal-overlay.visible {
    opacity: 1;
    visibility: visible;
}

.cookie-modal {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 16px;
    max-width: 520px;
    width: 100%;
    padding: 2rem;
    max-height: 80vh;
    overflow-y: auto;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.cookie-modal-overlay.visible .cookie-modal {
    transform: translateY(0);
}

.cookie-modal h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--white);
}

.cookie-modal > p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.cookie-option {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid var(--dark-border);
}

.cookie-option:last-of-type {
    border-bottom: none;
}

.cookie-option-info h4 {
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 0.2rem;
}

.cookie-option-info p {
    font-size: 0.78rem;
    color: var(--text-dim);
    line-height: 1.4;
}

.toggle {
    position: relative;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--text-dim);
    border-radius: 24px;
    transition: 0.3s;
}

.toggle-slider::before {
    content: '';
    position: absolute;
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: 0.3s;
}

.toggle input:checked + .toggle-slider {
    background: var(--cyan);
}

.toggle input:checked + .toggle-slider::before {
    transform: translateX(20px);
}

.toggle input:disabled + .toggle-slider {
    opacity: 0.6;
    cursor: not-allowed;
}

.cookie-modal-actions {
    display: flex;
    gap: 0.8rem;
    margin-top: 1.5rem;
}

.cookie-modal-actions .cookie-btn {
    flex: 1;
    text-align: center;
}

/* ═══════════════════════════════════
   ANIMATIONS
═══════════════════════════════════ */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ═══════════════════════════════════
   RESPONSIVE — TABLET (≤1024px)
═══════════════════════════════════ */
@media (max-width: 1024px) {
    .about-layout,
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .contact-form {
        padding: 2rem;
    }
}

/* ═══════════════════════════════════
   RESPONSIVE — MOBILE (≤768px)
═══════════════════════════════════ */
@media (max-width: 768px) {
    nav {
        padding: 0.8rem 1.2rem;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 10, 15, 0.97);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        padding: 1.5rem;
        border-bottom: 1px solid var(--dark-border);
        gap: 1rem;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links .nav-cta {
        text-align: center;
        display: block;
        width: 100%;
    }

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

    .mobile-toggle {
        display: flex;
    }

    #home {
        padding: 7rem 1.2rem 3rem;
        min-height: 90vh;
    }

    section {
        padding: 4.5rem 1.2rem;
    }

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

    .contact-form {
        padding: 1.5rem;
    }

    .cookie-banner {
        flex-direction: column;
        align-items: stretch;
        padding: 1.2rem;
        gap: 1rem;
    }

    .cookie-actions {
        flex-wrap: wrap;
    }

    .cookie-actions .cookie-btn {
        flex: 1;
        min-width: 80px;
        text-align: center;
    }

    .cookie-modal {
        padding: 1.5rem;
    }
}

/* ═══════════════════════════════════
   RESPONSIVE — SMALL (≤400px)
═══════════════════════════════════ */
@media (max-width: 400px) {
    .hero-title {
        font-size: 2rem;
    }

    .nav-logo img {
        height: 32px;
    }

    .about-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .stat-card {
        padding: 1.2rem;
    }

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

/* ═══════════════════════════════════
   PRINT
═══════════════════════════════════ */
@media print {
    nav,
    .cookie-banner,
    .cookie-modal-overlay {
        display: none !important;
    }

    body {
        background: #fff;
        color: #000;
    }

    section {
        padding: 2rem 0;
    }
}