/* ============================================================
   Amassol Limited — main stylesheet
   Dark theme with cyan accent
   ============================================================ */

:root {
    --bg-primary: #0a0a0e;
    --bg-secondary: #14141b;
    --bg-tertiary: #1c1c26;
    --bg-elevated: #22222e;
    --border: #2a2a38;
    --border-strong: #3a3a4d;
    --text-primary: #f5f5f7;
    --text-secondary: #b8b8c2;
    --text-muted: #7a7a8a;
    --accent: #06b6d4;
    --accent-hover: #22d3ee;
    --accent-muted: rgba(6, 182, 212, 0.12);
    --accent-glow: rgba(6, 182, 212, 0.25);
    --gradient: linear-gradient(135deg, #06b6d4 0%, #8b5cf6 100%);
    --container-max: 1200px;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 20px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}
body::before {
    content: '';
    position: fixed;
    bottom: -30%;
    right: -10%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.06) 0%, transparent 60%);
    z-index: -1;
    pointer-events: none;
    filter: blur(80px);
}
a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-hover); }
h1, h2, h3, h4 {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}
h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); line-height: 1.1; }
h2 { font-size: clamp(2rem, 4vw, 2.75rem); line-height: 1.2; }
h3 { font-size: 1.35rem; line-height: 1.3; }
p { color: var(--text-secondary); }
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 1.5rem; }
@media (min-width: 768px) { .container { padding: 0 2.5rem; } }

.nav {
    position: sticky; top: 0; z-index: 100;
    background: rgba(10, 10, 14, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}
.nav-inner {
    display: flex; align-items: center; justify-content: space-between;
    height: 70px; max-width: var(--container-max); margin: 0 auto; padding: 0 1.5rem;
}
@media (min-width: 768px) { .nav-inner { padding: 0 2.5rem; } }
.logo {
    display: flex; align-items: center; gap: 0.5rem;
    font-family: 'Space Grotesk', sans-serif; font-weight: 700;
    font-size: 1.4rem; color: var(--text-primary); letter-spacing: -0.02em;
}
.logo:hover { color: var(--text-primary); }
.logo-dot {
    width: 8px; height: 8px;
    background: var(--accent); border-radius: 50%;
    box-shadow: 0 0 12px var(--accent-glow);
}
.nav-links { display: none; gap: 2rem; list-style: none; }
.nav-links a { color: var(--text-secondary); font-size: 0.92rem; font-weight: 500; transition: color 0.2s; }
.nav-links a:hover { color: var(--text-primary); }
@media (min-width: 768px) { .nav-links { display: flex; } }
.lang-switch { display: flex; gap: 0.4rem; align-items: center; font-size: 0.85rem; color: var(--text-muted); }
.lang-switch a { color: var(--text-muted); padding: 0.25rem 0.5rem; border-radius: var(--radius-sm); transition: color 0.2s; }
.lang-switch a.active { color: var(--text-primary); background: var(--bg-tertiary); }
.lang-switch a:hover { color: var(--accent); }

.hero { position: relative; padding: 8rem 0 7rem; overflow: hidden; isolation: isolate; }
@media (min-width: 768px) { .hero { padding: 11rem 0 9rem; } }
.hero-bg { position: absolute; inset: 0; z-index: -1; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; object-position: center; opacity: 0.55; }
.hero-overlay {
    position: absolute; inset: 0;
    background:
        linear-gradient(90deg, rgba(10, 10, 14, 0.92) 0%, rgba(10, 10, 14, 0.55) 60%, rgba(10, 10, 14, 0.7) 100%),
        radial-gradient(ellipse at 70% 30%, rgba(6, 182, 212, 0.15) 0%, transparent 50%);
}
.hero-bg::after {
    content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 30%;
    background: linear-gradient(to bottom, transparent, var(--bg-primary));
}
.hero-content { position: relative; z-index: 1; }
.hero-eyebrow {
    display: inline-flex; align-items: center; gap: 0.5rem;
    background: var(--accent-muted); color: var(--accent);
    padding: 0.4rem 0.9rem; border-radius: 100px;
    font-size: 0.85rem; font-weight: 500; margin-bottom: 1.5rem;
    border: 1px solid rgba(6, 182, 212, 0.2);
    backdrop-filter: blur(8px);
}
.hero h1 {
    background: linear-gradient(180deg, #ffffff 0%, #c8c8d2 100%);
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
    margin-bottom: 1.5rem; max-width: 900px;
    text-shadow: 0 2px 30px rgba(0, 0, 0, 0.5);
}
.hero-subtitle { font-size: 1.15rem; color: var(--text-secondary); max-width: 700px; margin-bottom: 2.5rem; }
@media (min-width: 768px) { .hero-subtitle { font-size: 1.25rem; } }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.btn {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.85rem 1.6rem; border-radius: 100px;
    font-weight: 500; font-size: 0.95rem;
    transition: all 0.2s; cursor: pointer;
    text-decoration: none; border: none;
}
.btn-primary { background: var(--accent); color: #001b22; }
.btn-primary:hover { background: var(--accent-hover); color: #001b22; transform: translateY(-1px); box-shadow: 0 8px 24px var(--accent-glow); }
.btn-secondary { background: rgba(20, 20, 27, 0.7); color: var(--text-primary); border: 1px solid var(--border); backdrop-filter: blur(8px); }
.btn-secondary:hover { background: var(--bg-tertiary); color: var(--text-primary); border-color: var(--border-strong); }

.section { padding: 5rem 0; }
@media (min-width: 768px) { .section { padding: 7rem 0; } }
.section-eyebrow { color: var(--accent); font-size: 0.85rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 0.75rem; }
.section-title { margin-bottom: 1rem; }
.section-subtitle { color: var(--text-secondary); font-size: 1.1rem; max-width: 700px; margin-bottom: 3rem; }

.services { display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (min-width: 700px) { .services { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .services { grid-template-columns: repeat(3, 1fr); } }
.service-card {
    background: var(--bg-secondary); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 2rem 1.75rem; transition: all 0.3s; position: relative; overflow: hidden;
}
.service-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent) 50%, transparent);
    opacity: 0; transition: opacity 0.3s;
}
.service-card:hover { border-color: var(--border-strong); transform: translateY(-2px); background: var(--bg-tertiary); }
.service-card:hover::before { opacity: 1; }
.service-icon {
    width: 44px; height: 44px; border-radius: var(--radius-sm);
    background: var(--accent-muted); color: var(--accent);
    display: flex; align-items: center; justify-content: center; margin-bottom: 1.25rem;
}
.service-icon svg { width: 22px; height: 22px; stroke-width: 1.75; }
.service-card h3 { margin-bottom: 0.75rem; color: var(--text-primary); }
.service-card p { color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 1rem; }
.service-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 1rem; }
.tag { background: var(--bg-elevated); color: var(--text-secondary); padding: 0.25rem 0.7rem; border-radius: 100px; font-size: 0.78rem; border: 1px solid var(--border); }

.industries-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (min-width: 600px) { .industries-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .industries-grid { grid-template-columns: repeat(3, 1fr); } }
.industry-card { background: var(--bg-secondary); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.75rem; transition: all 0.3s; }
.industry-card:hover { border-color: var(--accent); background: var(--bg-tertiary); }
.industry-card h4 { color: var(--text-primary); font-size: 1.05rem; margin-bottom: 0.5rem; font-family: 'Space Grotesk', sans-serif; }
.industry-card p { color: var(--text-muted); font-size: 0.9rem; margin: 0; }

.tech-cloud { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.tech-pill { background: var(--bg-secondary); border: 1px solid var(--border); color: var(--text-secondary); padding: 0.55rem 1rem; border-radius: 100px; font-size: 0.88rem; font-weight: 500; transition: all 0.2s; }
.tech-pill:hover { border-color: var(--accent); color: var(--text-primary); background: var(--bg-tertiary); }

.approach { display: grid; grid-template-columns: 1fr; gap: 2rem; margin-top: 2rem; }
@media (min-width: 768px) { .approach { grid-template-columns: repeat(3, 1fr); } }
.approach-item { border-left: 2px solid var(--accent); padding-left: 1.25rem; }
.approach-item h4 { font-family: 'Space Grotesk', sans-serif; color: var(--text-primary); font-size: 1.1rem; margin-bottom: 0.5rem; }
.approach-item p { color: var(--text-secondary); font-size: 0.95rem; }

.contact { background: var(--bg-secondary); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 3rem 2rem; text-align: center; margin-top: 2rem; position: relative; overflow: hidden; }
.contact::before { content: ''; position: absolute; top: -50%; left: 50%; transform: translateX(-50%); width: 100%; height: 200%; background: radial-gradient(circle, rgba(6, 182, 212, 0.06) 0%, transparent 50%); pointer-events: none; }
@media (min-width: 768px) { .contact { padding: 4rem 3rem; } }
.contact h2, .contact > * { position: relative; }
.contact h2 { margin-bottom: 1rem; }
.contact-details { display: flex; flex-direction: column; align-items: center; gap: 1rem; margin-top: 2rem; color: var(--text-secondary); }
.contact-detail { display: inline-flex; align-items: center; gap: 0.5rem; }
.contact-detail svg { width: 16px; height: 16px; color: var(--accent); }
@media (min-width: 600px) { .contact-details { flex-direction: row; flex-wrap: wrap; justify-content: center; gap: 2rem; } }

.footer { border-top: 1px solid var(--border); padding: 3rem 0 2rem; margin-top: 4rem; }
.footer-inner { display: flex; flex-direction: column; gap: 2rem; }
@media (min-width: 768px) { .footer-inner { flex-direction: row; justify-content: space-between; align-items: flex-start; } }
.footer-brand { color: var(--text-muted); font-size: 0.88rem; line-height: 1.7; }
.footer-brand strong { color: var(--text-primary); font-family: 'Space Grotesk', sans-serif; }
.footer-links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer-links a { color: var(--text-muted); font-size: 0.88rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--accent); }
.footer-copy { margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border); text-align: center; color: var(--text-muted); font-size: 0.82rem; }

.legal { padding: 4rem 0 6rem; max-width: 800px; }
.legal h1 { font-size: 2.25rem; margin-bottom: 2rem; }
.legal h2 { font-size: 1.4rem; margin-top: 2.5rem; margin-bottom: 1rem; color: var(--text-primary); }
.legal h3 { font-size: 1.1rem; margin-top: 1.5rem; margin-bottom: 0.75rem; color: var(--text-primary); }
.legal p, .legal ul { color: var(--text-secondary); margin-bottom: 1rem; line-height: 1.7; }
.legal ul { padding-left: 1.5rem; }
.legal li { margin-bottom: 0.5rem; }
.legal address { font-style: normal; background: var(--bg-secondary); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem 1.5rem; margin: 1rem 0; color: var(--text-primary); }
.legal a { color: var(--accent); }