/* ============================================
   BLACK BABELFISH — Design System v2
   Dark. Clean. Precise.
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500;700&display=swap');

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

:root {
    --bg: #0a0a0a;
    --bg-card: #111111;
    --bg-card-hover: #1a1a1a;
    --accent: #00FF88;
    --accent-dim: rgba(0, 255, 136, 0.15);
    --accent-glow: rgba(0, 255, 136, 0.3);
    --text: #ffffff;
    --text-muted: #888888;
    --text-dim: #555555;
    --font: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
    --max-width: 1100px;
    --nav-height: 70px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.7;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* --- Scanline Overlay --- */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 9999;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.03) 2px,
        rgba(0, 0, 0, 0.03) 4px
    );
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: opacity 0.2s;
}

a:hover {
    opacity: 0.8;
}

img, svg {
    max-width: 100%;
    height: auto;
}

/* --- Navigation --- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 clamp(20px, 5vw, 60px);
}

.nav-logo {
    height: 36px;
    width: auto;
}

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

.nav-links a {
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 400;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    transition: color 0.2s, text-shadow 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent);
    text-shadow: 0 0 15px var(--accent-glow);
    opacity: 1;
}

.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
    background: none;
    border: none;
}

.nav-hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: transform 0.3s, opacity 0.3s;
}

.nav-hamburger.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-hamburger.open span:nth-child(2) {
    opacity: 0;
}

.nav-hamburger.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Layout --- */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 clamp(20px, 5vw, 60px);
}

main {
    padding-top: var(--nav-height);
}

section {
    padding: 100px 0;
}

/* --- Glowing Section Divider --- */
.glow-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0.4;
    margin: 0;
    border: none;
}

/* --- Hero --- */
.hero {
    min-height: calc(100vh - var(--nav-height));
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
}

.hero-tagline {
    font-size: clamp(28px, 5vw, 48px);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--text);
}

.hero-tagline .accent {
    color: var(--accent);
    text-shadow: 0 0 30px var(--accent-glow);
}

.hero-subtitle {
    font-size: clamp(14px, 2vw, 17px);
    color: var(--text-muted);
    font-weight: 300;
    margin-bottom: 40px;
    max-width: 550px;
    line-height: 1.8;
    min-height: 3.6em;
}

/* Typing cursor */
.typing-cursor {
    display: inline-block;
    width: 2px;
    height: 1.1em;
    background: var(--accent);
    margin-left: 2px;
    vertical-align: text-bottom;
    animation: cursorBlink 0.8s step-end infinite;
}

@keyframes cursorBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 14px 36px;
    font-family: var(--font);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    border: 1px solid var(--accent);
    color: var(--accent);
    background: transparent;
    cursor: pointer;
    transition: background 0.3s, color 0.3s, box-shadow 0.3s;
}

.btn:hover {
    background: var(--accent);
    color: var(--bg);
    box-shadow: 0 0 25px var(--accent-glow), 0 0 50px rgba(0, 255, 136, 0.1);
    opacity: 1;
}

.btn-filled {
    background: var(--accent);
    color: var(--bg);
}

.btn-filled:hover {
    background: transparent;
    color: var(--accent);
    box-shadow: 0 0 25px var(--accent-glow);
}

/* --- Fish Animation Container --- */
.fish-animation {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
}

.data-stream {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.data-char {
    position: absolute;
    color: var(--accent);
    font-family: var(--font);
    font-size: 14px;
    opacity: 0;
    animation: streamFloat 8s linear infinite;
    will-change: transform, opacity;
}

@keyframes streamFloat {
    0% {
        transform: translateX(100vw);
        opacity: 0;
    }
    5% {
        opacity: 0.12;
    }
    90% {
        opacity: 0.12;
    }
    100% {
        transform: translateX(-100px);
        opacity: 0;
    }
}

.fish-hero-svg {
    position: absolute;
    width: 120px;
    height: auto;
    z-index: 2;
    animation: fishSwim 15s ease-in-out infinite;
    opacity: 0.5;
    filter: drop-shadow(0 0 25px rgba(0, 255, 136, 0.25));
}

@keyframes fishSwim {
    0% {
        transform: translate(-120px, 45vh) scaleX(1);
    }
    20% {
        transform: translate(20vw, 35vh) scaleX(1);
    }
    40% {
        transform: translate(45vw, 50vh) scaleX(1);
    }
    60% {
        transform: translate(65vw, 38vh) scaleX(1);
    }
    80% {
        transform: translate(85vw, 48vh) scaleX(1);
    }
    100% {
        transform: translate(110vw, 42vh) scaleX(1);
    }
}

/* --- Comparison Table --- */
.comparison {
    background: var(--bg);
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 255, 136, 0.1);
    position: relative;
}

.comparison-grid::before {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    bottom: -1px;
    border: 1px solid transparent;
    background: linear-gradient(135deg, var(--accent-glow), transparent, var(--accent-glow)) border-box;
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    opacity: 0.5;
}

.comparison-header {
    padding: 20px 24px;
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: 700;
}

.comparison-header:first-child {
    background: var(--bg-card);
    color: var(--text-muted);
}

.comparison-header:last-child {
    background: var(--bg-card);
    color: var(--accent);
}

.comparison-row {
    display: contents;
}

.comparison-cell {
    padding: 16px 24px;
    font-size: 14px;
    background: var(--bg);
    transition: background 0.2s;
}

.comparison-cell:nth-child(odd) {
    color: var(--text-dim);
    border-right: 1px solid rgba(255, 255, 255, 0.05);
}

.comparison-cell:nth-child(even) {
    color: var(--text);
}

.comparison-row:hover .comparison-cell {
    background: var(--bg-card);
}

/* --- Section Headers --- */
.section-label {
    font-size: 11px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 16px;
    font-weight: 500;
}

.section-title {
    font-size: clamp(24px, 4vw, 36px);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 20px;
}

.section-text {
    font-size: 15px;
    color: var(--text-muted);
    font-weight: 300;
    max-width: 600px;
    line-height: 1.8;
}

/* --- Stats Banner --- */
.stats-banner {
    background: var(--bg-card);
    border-top: 1px solid rgba(0, 255, 136, 0.1);
    border-bottom: 1px solid rgba(0, 255, 136, 0.1);
    padding: 60px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.stat-item {
    position: relative;
}

.stat-number {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 700;
    color: var(--accent);
    text-shadow: 0 0 20px var(--accent-glow);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 400;
}

/* --- Capabilities Grid --- */
.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 60px;
}

.capability {
    padding: 28px 24px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    background: var(--bg-card);
    transition: border-color 0.3s, box-shadow 0.3s;
}

.capability:hover {
    border-color: var(--accent);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.05);
}

.capability-icon {
    font-size: 20px;
    margin-bottom: 14px;
    display: block;
    color: var(--accent);
    font-style: normal;
}

.capability-title {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 8px;
}

.capability-text {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 300;
    line-height: 1.7;
}

/* --- Steps / Process --- */
.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.step {
    padding: 32px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    background: var(--bg-card);
    transition: border-color 0.3s, box-shadow 0.3s;
}

.step:hover {
    border-color: var(--accent);
    box-shadow: 0 0 25px rgba(0, 255, 136, 0.05);
}

.step-number {
    font-size: 11px;
    letter-spacing: 3px;
    color: var(--accent);
    margin-bottom: 20px;
    font-weight: 500;
}

.step-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
}

.step-text {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 300;
    line-height: 1.8;
}

/* --- Cards (Solutions) --- */
.cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 60px;
}

.card {
    padding: 40px 32px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    background: var(--bg-card);
    transition: border-color 0.3s, background 0.3s, box-shadow 0.3s;
}

.card:hover {
    border-color: var(--accent);
    background: var(--bg-card-hover);
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.05);
}

.card-icon {
    font-size: 28px;
    margin-bottom: 20px;
    display: block;
}

.card-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
}

.card-text {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 300;
    line-height: 1.8;
    margin-bottom: 16px;
}

.card-link {
    font-size: 12px;
    letter-spacing: 1px;
    font-weight: 500;
    color: var(--accent);
    transition: letter-spacing 0.2s;
}

.card-link:hover {
    letter-spacing: 2px;
    opacity: 1;
}

/* --- Ticker --- */
.ticker-section {
    padding: 40px 0;
    overflow: hidden;
    border-top: 1px solid rgba(0, 255, 136, 0.1);
    border-bottom: 1px solid rgba(0, 255, 136, 0.1);
    background: var(--bg-card);
}

.ticker-track {
    display: flex;
    animation: tickerScroll 30s linear infinite;
    white-space: nowrap;
}

.ticker-item {
    font-size: 12px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--text-dim);
    padding: 0 24px;
    flex-shrink: 0;
}

.ticker-item .dot {
    color: var(--accent);
    margin-left: 24px;
}

@keyframes tickerScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* --- CTA Section --- */
.cta-section {
    text-align: center;
    position: relative;
}

.cta-section .section-text {
    margin: 0 auto 40px;
}

/* --- Contact Form --- */
.contact-form {
    max-width: 500px;
    margin-top: 40px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    font-family: var(--font);
    font-size: 14px;
    color: var(--text);
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.1);
}

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

/* --- Page Header --- */
.page-header {
    padding: 80px 0 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* --- About Content --- */
.about-block {
    margin-bottom: 80px;
}

.about-block:last-child {
    margin-bottom: 0;
}

.fish-quote {
    padding: 40px;
    border-left: 2px solid var(--accent);
    background: var(--accent-dim);
    font-style: italic;
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-muted);
    position: relative;
    overflow: hidden;
}

.fish-quote::after {
    content: '';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.05), transparent);
    border-radius: 50%;
    pointer-events: none;
}

/* --- Footer --- */
.footer {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 40px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--text-dim);
}

.footer-links {
    display: flex;
    gap: 24px;
    list-style: none;
}

.footer-links a {
    color: var(--text-dim);
    font-size: 12px;
    transition: color 0.2s;
}

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

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

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

/* Staggered children */
.reveal-stagger > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal-stagger.visible > * {
    opacity: 1;
    transform: translateY(0);
}

.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0s; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 0.1s; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 0.2s; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 0.3s; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 0.4s; }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: 0.5s; }

/* --- Contact Info --- */
.contact-info {
    margin-top: 40px;
}

.contact-info p {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 12px;
}

.contact-info a {
    font-size: 16px;
}

/* --- Grid Background (Contact) --- */
.grid-bg {
    position: relative;
}

.grid-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(0, 255, 136, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 136, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
}

.grid-bg > * {
    position: relative;
    z-index: 1;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: rgba(10, 10, 10, 0.98);
        flex-direction: column;
        padding: 40px 20px;
        gap: 24px;
        transform: translateY(-100%);
        opacity: 0;
        transition: transform 0.3s, opacity 0.3s;
        pointer-events: none;
    }

    .nav-links.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .nav-hamburger {
        display: flex;
    }

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

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

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

    .comparison-cell:nth-child(odd) {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

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

    section {
        padding: 60px 0;
    }

    .footer {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .hero {
        min-height: calc(80vh - var(--nav-height));
    }
}

@media (max-width: 480px) {
    body {
        font-size: 14px;
    }

    .hero-tagline {
        font-size: 24px;
    }

    .nav-logo {
        height: 28px;
    }

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