/* ═══════════════════════════════════════════════════════════════════════════
   XCLUSIVE SYSTEMS — xclusivesystems.com
   Colors: Black + Electric Blue (#00A8FF) + White
   Fonts: Inter (body) + JetBrains Mono (code)
   ═══════════════════════════════════════════════════════════════════════════ */

:root {
    --black: #0a0a0a;
    --dark: #111111;
    --dark-2: #1a1a1a;
    --dark-3: #222222;
    --gray: #888888;
    --light-gray: #cccccc;
    --white: #f5f5f5;
    --blue: #00A8FF;
    --blue-dim: rgba(0, 168, 255, 0.15);
    --blue-glow: rgba(0, 168, 255, 0.3);
    --blue-dark: #0080cc;
    --radius: 12px;
    --radius-sm: 8px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--black);
    color: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: var(--blue);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: #33bbff;
}

/* ── Typography ─────────────────────────────────────────────────────────── */

h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.1rem; }

.text-accent {
    color: var(--blue);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-header p {
    color: var(--gray);
    font-size: 1.125rem;
    max-width: 560px;
    margin: 0 auto;
}

.section-tag {
    display: inline-block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--blue);
    background: var(--blue-dim);
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 20px;
}

/* ── Buttons ────────────────────────────────────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--blue);
    color: var(--black);
    box-shadow: 0 0 20px var(--blue-glow);
}

.btn-primary:hover {
    background: #33bbff;
    color: var(--black);
    box-shadow: 0 0 30px rgba(0, 168, 255, 0.5);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 1px solid var(--dark-3);
}

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

/* ── Navbar ─────────────────────────────────────────────────────────────── */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition);
}

.navbar.scrolled {
    border-bottom-color: var(--dark-3);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

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

.logo:hover { opacity: 0.9; }

.logo-img {
    height: 40px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 36px;
    list-style: none;
}

.nav-links a {
    color: var(--gray);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition);
}

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

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

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: all var(--transition);
}

/* ── Hero ───────────────────────────────────────────────────────────────── */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 72px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: url('../img/hero-bg.jpg') center center / cover no-repeat;
    opacity: 0.6;
    pointer-events: none;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(10, 10, 10, 0.7) 0%,
        rgba(10, 10, 10, 0.4) 40%,
        rgba(10, 10, 10, 0.6) 70%,
        rgba(10, 10, 10, 0.95) 100%
    );
    pointer-events: none;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 168, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 168, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-glow {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 500px;
    background: radial-gradient(ellipse, var(--blue-glow) 0%, transparent 70%);
    opacity: 0.3;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 80px 0;
}

.hero-badge {
    display: inline-block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--blue);
    background: var(--blue-dim);
    padding: 8px 20px;
    border-radius: 100px;
    margin-bottom: 32px;
    letter-spacing: 0.05em;
}

.hero-sub {
    font-size: 1.2rem;
    color: var(--gray);
    max-width: 640px;
    margin: 24px auto 40px;
    line-height: 1.7;
}

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

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 64px;
    margin-top: 80px;
    padding-top: 40px;
    border-top: 1px solid var(--dark-3);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--blue);
    font-family: 'JetBrains Mono', monospace;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ── Services ───────────────────────────────────────────────────────────── */

.services {
    padding: 120px 0;
    background: var(--dark);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--dark-2);
    border: 1px solid var(--dark-3);
    border-radius: var(--radius);
    padding: 40px;
    transition: all var(--transition);
}

.service-card:hover {
    border-color: rgba(0, 168, 255, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.service-icon {
    width: 48px;
    height: 48px;
    color: var(--blue);
    margin-bottom: 24px;
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-card h3 {
    margin-bottom: 12px;
}

.service-card p {
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    list-style: none;
}

.service-tags li {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--blue);
    background: var(--blue-dim);
    padding: 4px 12px;
    border-radius: 100px;
}

/* ── Portfolio ──────────────────────────────────────────────────────────── */

.portfolio {
    padding: 120px 0;
}

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

.deliverable-card {
    background: var(--dark);
    border: 1px solid var(--dark-3);
    border-radius: var(--radius);
    padding: 36px;
    transition: all var(--transition);
}

.deliverable-card:hover {
    border-color: rgba(0, 168, 255, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.deliverable-num {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--blue);
    margin-bottom: 16px;
}

.deliverable-card h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.deliverable-card p {
    color: var(--gray);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* ── Featured Project ──────────────────────────────────────────────────── */

.featured-project {
    margin-top: 100px;
    padding-top: 80px;
    border-top: 1px solid var(--dark-3);
}

.project-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.project-content p {
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 16px;
}

.project-stats {
    display: flex;
    gap: 40px;
    margin: 32px 0;
}

.project-stat-num {
    display: block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--blue);
}

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

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tech-stack span {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--light-gray);
    background: var(--dark-2);
    border: 1px solid var(--dark-3);
    padding: 6px 14px;
    border-radius: 6px;
}

/* ── Terminal ──────────────────────────────────────────────────────────── */

.terminal {
    background: var(--dark);
    border: 1px solid var(--dark-3);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background: var(--dark-2);
    border-bottom: 1px solid var(--dark-3);
}

.terminal-dots {
    display: flex;
    gap: 7px;
}

.terminal-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-dots span:nth-child(1) { background: #ff5f57; }
.terminal-dots span:nth-child(2) { background: #ffbd2e; }
.terminal-dots span:nth-child(3) { background: #28c840; }

.terminal-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--gray);
}

.terminal-body {
    padding: 24px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    line-height: 2;
}

.terminal-line {
    white-space: nowrap;
    overflow: hidden;
}

.t-prompt { color: var(--blue); font-weight: 500; }
.t-tool { color: #ffbd2e; }
.t-response { color: #28c840; font-weight: 500; }

.terminal-cursor::after {
    content: '';
    display: inline-block;
    width: 8px;
    height: 16px;
    background: var(--blue);
    animation: blink 1s step-end infinite;
    vertical-align: text-bottom;
}

@keyframes blink {
    50% { opacity: 0; }
}

/* ── About ──────────────────────────────────────────────────────────────── */

.about {
    padding: 120px 0;
    background: var(--dark);
}

.about-content {
    max-width: 720px;
}

.about-content h2 {
    margin-bottom: 24px;
}

.about-content > p {
    color: var(--gray);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-values {
    margin-top: 48px;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.value {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.value-icon {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--blue);
    background: var(--blue-dim);
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.value h4 {
    margin-bottom: 4px;
}

.value p {
    color: var(--gray);
    font-size: 0.9rem;
}

/* ── Contact ────────────────────────────────────────────────────────────── */

.contact {
    padding: 120px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 800px;
    margin: 0 auto;
}

.contact-card {
    text-align: center;
    padding: 40px 24px;
    background: var(--dark);
    border: 1px solid var(--dark-3);
    border-radius: var(--radius);
    transition: all var(--transition);
}

.contact-card:hover {
    border-color: rgba(0, 168, 255, 0.3);
    transform: translateY(-4px);
}

.contact-icon {
    width: 40px;
    height: 40px;
    color: var(--blue);
    margin: 0 auto 16px;
}

.contact-icon svg {
    width: 100%;
    height: 100%;
}

.contact-card h4 {
    margin-bottom: 8px;
    color: var(--white);
}

.contact-card a,
.contact-card span {
    color: var(--gray);
    font-size: 0.9rem;
}

.contact-card a:hover {
    color: var(--blue);
}

/* ── Footer ─────────────────────────────────────────────────────────────── */

.footer {
    padding: 48px 0;
    border-top: 1px solid var(--dark-3);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    text-align: center;
}

.footer-brand p {
    color: var(--gray);
    font-size: 0.85rem;
    margin-top: 8px;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: var(--gray);
    font-size: 0.85rem;
    font-weight: 500;
}

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

.footer-bottom p {
    color: var(--dark-3);
    font-size: 0.8rem;
}

/* ── Responsive ─────────────────────────────────────────────────────────── */

@media (max-width: 968px) {
    .services-grid {
        grid-template-columns: 1fr;
    }

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

    .project-showcase {
        grid-template-columns: 1fr;
    }

    .project-terminal {
        order: -1;
    }

    .hero-stats {
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background: rgba(10, 10, 10, 0.95);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--dark-3);
        padding: 16px 0;
    }

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

    .nav-links a {
        display: block;
        padding: 12px 24px;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-stats {
        flex-direction: column;
        gap: 24px;
        align-items: center;
    }

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

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

    .terminal-body {
        font-size: 0.7rem;
        padding: 16px;
        overflow-x: auto;
    }

    .project-stats {
        gap: 24px;
    }
}

/* ── Animations ─────────────────────────────────────────────────────────── */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content > * {
    animation: fadeInUp 0.8s ease-out both;
}

.hero-content > *:nth-child(1) { animation-delay: 0.1s; }
.hero-content > *:nth-child(2) { animation-delay: 0.2s; }
.hero-content > *:nth-child(3) { animation-delay: 0.3s; }
.hero-content > *:nth-child(4) { animation-delay: 0.4s; }
.hero-content > *:nth-child(5) { animation-delay: 0.5s; }

/* Scroll-triggered fade-in */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger service cards */
.service-card.fade-in:nth-child(2) { transition-delay: 0.1s; }
.service-card.fade-in:nth-child(3) { transition-delay: 0.2s; }
.service-card.fade-in:nth-child(4) { transition-delay: 0.3s; }

/* Stagger deliverable cards */
.deliverable-card.fade-in:nth-child(2) { transition-delay: 0.1s; }
.deliverable-card.fade-in:nth-child(3) { transition-delay: 0.2s; }
.deliverable-card.fade-in:nth-child(4) { transition-delay: 0.3s; }
.deliverable-card.fade-in:nth-child(5) { transition-delay: 0.4s; }
.deliverable-card.fade-in:nth-child(6) { transition-delay: 0.5s; }

/* Stagger contact cards */
.contact-card.fade-in:nth-child(2) { transition-delay: 0.1s; }
.contact-card.fade-in:nth-child(3) { transition-delay: 0.2s; }

/* Stagger values */
.value.fade-in:nth-child(2) { transition-delay: 0.15s; }
.value.fade-in:nth-child(3) { transition-delay: 0.3s; }

/* Nav toggle X animation */
.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}