/* ========================================================================
   AVANTOS — Refined Industrial Aesthetic
   Warm amber on deep charcoal. Geometric precision. Premium feel.
   ======================================================================== */

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

:root {
    --gold: #E8A838;
    --gold-light: #F5C65B;
    --gold-dim: rgba(232, 168, 56, 0.15);
    --gold-border: rgba(232, 168, 56, 0.25);
    --ember: #FF6B35;
    --cream: #FAF0E4;
    --ice: #E0E8F0;
    --charcoal: #111111;
    --surface: #1A1A1A;
    --surface-2: #222222;
    --surface-3: #2A2A2A;
    --border: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.12);
    --text: #999999;
    --text-light: #CCCCCC;
    --white: #F0F0F0;
    --gradient-gold: linear-gradient(135deg, var(--gold), var(--ember));
    --gradient-subtle: linear-gradient(180deg, var(--surface), var(--charcoal));
    --radius: 14px;
    --radius-sm: 8px;
    --radius-lg: 20px;
    --radius-xl: 28px;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--charcoal);
    color: var(--text-light);
    line-height: 1.7;
    overflow-x: hidden;
}

/* Noise overlay for texture */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 9999;
    pointer-events: none;
    opacity: 0.025;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 256px 256px;
}

a { color: var(--gold); text-decoration: none; transition: color 0.3s; }
a:hover { color: var(--gold-light); }

::selection {
    background: rgba(232, 168, 56, 0.3);
    color: var(--white);
}

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

/* ========== NAVBAR ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 20px 0;
    transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.navbar.scrolled {
    background: rgba(17, 17, 17, 0.92);
    backdrop-filter: blur(24px) saturate(1.2);
    -webkit-backdrop-filter: blur(24px) saturate(1.2);
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: 'Sora', sans-serif;
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--white);
    transition: all 0.3s;
}

.logo:hover { color: var(--gold); }

.logo span {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 400;
    font-size: 0.75rem;
    color: var(--text);
    margin-left: 8px;
    opacity: 0.7;
}

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

.nav-links a {
    color: var(--text);
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.3s;
    position: relative;
    letter-spacing: 0.3px;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--gold);
    transition: width 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
    padding: 9px 22px !important;
    background: var(--gold) !important;
    border-radius: var(--radius-sm) !important;
    color: var(--charcoal) !important;
    font-weight: 700 !important;
    font-size: 0.82rem !important;
    letter-spacing: 0.5px;
    transition: all 0.3s !important;
}

.nav-cta::after { display: none !important; }
.nav-cta:hover {
    background: var(--gold-light) !important;
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(232, 168, 56, 0.25);
}

/* Mobile menu */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.menu-toggle span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--text-light);
    margin: 6px 0;
    transition: all 0.3s;
    border-radius: 1px;
}

/* ========== HERO ========== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 140px 0 100px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 40%, rgba(232, 168, 56, 0.07) 0%, transparent 55%),
        radial-gradient(ellipse at 80% 70%, rgba(255, 107, 53, 0.04) 0%, transparent 45%);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: radial-gradient(ellipse at 50% 50%, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at 50% 50%, black 30%, transparent 70%);
}

/* Diagonal accent line */
.hero::after {
    content: '';
    position: absolute;
    top: -200px;
    right: -100px;
    width: 1px;
    height: 600px;
    background: linear-gradient(to bottom, transparent, var(--gold), transparent);
    opacity: 0.15;
    transform: rotate(25deg);
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 7px 18px;
    background: var(--gold-dim);
    border: 1px solid var(--gold-border);
    border-radius: 50px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    color: var(--gold);
    margin-bottom: 28px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.hero-tag .dot {
    width: 7px;
    height: 7px;
    background: var(--gold);
    border-radius: 50%;
    animation: pulse 2.5s ease-in-out infinite;
    box-shadow: 0 0 8px rgba(232, 168, 56, 0.4);
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.85); }
}

.hero h1 {
    font-family: 'Sora', sans-serif;
    font-size: clamp(2.8rem, 6.5vw, 5rem);
    font-weight: 800;
    line-height: 1.05;
    color: var(--white);
    margin-bottom: 28px;
    letter-spacing: -2px;
}

.hero h1 .gradient-text,
.gradient-text {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.1rem;
    max-width: 520px;
    color: var(--text);
    margin-bottom: 44px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 30px;
    border-radius: var(--radius);
    font-family: 'DM Sans', sans-serif;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    cursor: pointer;
    border: none;
    letter-spacing: 0.2px;
}

.btn-primary {
    background: var(--gold);
    color: var(--charcoal);
}

.btn-primary:hover {
    background: var(--gold-light);
    color: var(--charcoal);
    transform: translateY(-2px);
    box-shadow: 0 12px 36px rgba(232, 168, 56, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--text-light);
    border: 1px solid var(--border-hover);
}

.btn-outline:hover {
    border-color: var(--gold-border);
    color: var(--white);
    transform: translateY(-2px);
    background: rgba(232, 168, 56, 0.05);
}

/* ========== SECTION STYLES ========== */
section {
    padding: 110px 0;
    position: relative;
}

.section-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    color: var(--gold);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 14px;
    opacity: 0.9;
}

.section-title {
    font-family: 'Sora', sans-serif;
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
    letter-spacing: -1.5px;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text);
    max-width: 560px;
    margin-bottom: 56px;
    line-height: 1.7;
}

/* ========== DIENSTEN ========== */
.diensten-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.dienst-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    position: relative;
    overflow: hidden;
}

.dienst-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-gold);
    opacity: 0;
    transition: opacity 0.5s;
}

.dienst-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 0%, rgba(232, 168, 56, 0.04) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.5s;
}

.dienst-card:hover {
    transform: translateY(-4px);
    border-color: var(--gold-border);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
}

.dienst-card:hover::before { opacity: 1; }
.dienst-card:hover::after { opacity: 1; }

.dienst-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: var(--gold-dim);
    border: 1px solid var(--gold-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
}

.dienst-card h3 {
    font-family: 'Sora', sans-serif;
    font-size: 1.15rem;
    color: var(--white);
    margin-bottom: 12px;
    font-weight: 700;
    letter-spacing: -0.3px;
    position: relative;
    z-index: 1;
}

.dienst-card p {
    color: var(--text);
    font-size: 0.9rem;
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* ========== PORTFOLIO ========== */
#portfolio {
    background: var(--surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
}

.project-card {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 28px 72px rgba(0, 0, 0, 0.5);
    border-color: var(--border-hover);
}

.project-card.discontinued {
    opacity: 0.5;
    filter: grayscale(0.4);
}

.project-card.discontinued:hover {
    opacity: 0.7;
    filter: grayscale(0.2);
}

.project-preview {
    height: 200px;
    position: relative;
    overflow: hidden;
}

.project-preview-bg {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.project-card:hover .project-preview-bg {
    transform: scale(1.05);
}

.project-info {
    padding: 28px;
}

.project-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}

.project-tag {
    padding: 4px 10px;
    background: var(--gold-dim);
    border-radius: 6px;
    font-size: 0.7rem;
    font-family: 'JetBrains Mono', monospace;
    color: var(--gold);
    letter-spacing: 0.3px;
}

.project-tag.tag-discontinued {
    background: rgba(255, 80, 80, 0.12);
    color: #FF6B6B;
}

.project-info h3 {
    font-family: 'Sora', sans-serif;
    font-size: 1.2rem;
    color: var(--white);
    margin-bottom: 8px;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.project-info p {
    color: var(--text);
    font-size: 0.88rem;
    line-height: 1.65;
    margin-bottom: 16px;
}

.project-link {
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--gold);
    transition: all 0.3s;
}

.project-link:hover { gap: 10px; color: var(--gold-light); }

.project-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.78rem;
    color: var(--gold);
    font-weight: 500;
}

.project-status .status-dot {
    width: 6px;
    height: 6px;
    background: var(--gold);
    border-radius: 50%;
}

.project-status.status-discontinued {
    color: #FF6B6B;
}

.project-status.status-discontinued .status-dot {
    background: #FF6B6B;
}

/* ========== OVER ========== */
.over-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 64px;
    align-items: start;
}

.over-text p {
    margin-bottom: 20px;
    color: var(--text);
    line-height: 1.85;
}

.over-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 40px;
}

.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    transition: all 0.4s;
}

.stat-card:hover {
    border-color: var(--gold-border);
    transform: translateY(-2px);
}

.stat-number {
    font-family: 'Sora', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
}

.stat-label {
    font-size: 0.78rem;
    color: var(--text);
    margin-top: 4px;
    letter-spacing: 0.3px;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tech-badge {
    padding: 8px 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--text-light);
    transition: all 0.3s;
    letter-spacing: 0.3px;
}

.tech-badge:hover {
    border-color: var(--gold-border);
    color: var(--gold);
    background: var(--gold-dim);
}

/* ========== CONTACT ========== */
#contact {
    background: var(--surface);
    border-top: 1px solid var(--border);
}

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

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.form-group label {
    display: block;
    font-size: 0.82rem;
    color: var(--text-light);
    margin-bottom: 8px;
    font-weight: 500;
    letter-spacing: 0.3px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 18px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--white);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.9rem;
    transition: all 0.3s;
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text);
    opacity: 0.5;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(232, 168, 56, 0.08);
}

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

.form-group select option {
    background: var(--surface-2);
    color: var(--white);
}

.contact-info h3 {
    font-family: 'Sora', sans-serif;
    font-size: 1.2rem;
    color: var(--white);
    margin-bottom: 16px;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.contact-info p {
    color: var(--text);
    margin-bottom: 36px;
    line-height: 1.7;
}

.contact-detail {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 22px;
    color: var(--text-light);
}

.contact-detail-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--gold-dim);
    border: 1px solid var(--gold-border);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1rem;
}

/* ========== FOOTER ========== */
.footer {
    padding: 48px 0;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer p {
    color: var(--text);
    font-size: 0.82rem;
    letter-spacing: 0.3px;
}

.footer .logo {
    margin-bottom: 12px;
    display: inline-block;
    font-size: 1.2rem;
}

/* ========== ANIMATIONS ========== */
.fade-up {
    opacity: 0;
    transform: translateY(36px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

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

/* Staggered delays for grids */
.fade-up:nth-child(2) { transition-delay: 0.08s; }
.fade-up:nth-child(3) { transition-delay: 0.16s; }
.fade-up:nth-child(4) { transition-delay: 0.24s; }

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .menu-toggle { display: block; }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(17, 17, 17, 0.98);
        backdrop-filter: blur(24px);
        flex-direction: column;
        padding: 28px;
        gap: 18px;
        border-bottom: 1px solid var(--border);
    }

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

    .hero { padding: 120px 0 80px; }
    .hero h1 { font-size: 2.4rem; letter-spacing: -1px; }
    .hero-buttons { flex-direction: column; }
    .hero-buttons .btn { width: 100%; justify-content: center; }
    .over-content { grid-template-columns: 1fr; gap: 40px; }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .portfolio-grid { grid-template-columns: 1fr; }
    section { padding: 80px 0; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 2rem; }
    .diensten-grid { grid-template-columns: 1fr; }
    .over-stats { grid-template-columns: 1fr; }
}