/* Apple-inspired clean, spacious design with subtle depth and motion */
:root {
  --bg: #0a0a0a;
  --bg-muted: #0f0f10;
  --text: #eaeaea;
  --text-dim: #b6b6b6;
  --primary: #f5f5f7;
  --accent: #0071e3; /* Apple blue */
  --glass: rgba(255, 255, 255, 0.06);
  --border: rgba(255,255,255,0.08);
  --shadow: 0 10px 30px rgba(0,0,0,0.4);
  --radius: 16px;
  --maxw: 1200px;
}

* { box-sizing: border-box; }
html, body { height: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(1200px 800px at 70% -10%, #1a1a1b, var(--bg)) fixed;
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
}

.skip-link { position: absolute; left: -999px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.skip-link:focus { left: 20px; top: 20px; width: auto; height: auto; padding: 10px 14px; border-radius: 10px; background: var(--accent); color: #fff; z-index: 2000; }

img { max-width: 100%; height: auto; display: block; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  backdrop-filter: saturate(180%) blur(14px);
  background: linear-gradient(180deg, rgba(10,10,10,0.85), rgba(10,10,10,0.55));
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; }
.brand-mark { width: 28px; height: 28px; border-radius: 8px; display: inline-grid; place-items: center; background: var(--primary); color: #111; font-weight: 800; box-shadow: var(--shadow); }
.brand-text { font-weight: 700; letter-spacing: 0.2px; }

.nav-toggle { display: none; background: transparent; border: 1px solid var(--border); color: var(--text); padding: 8px 12px; border-radius: 10px; }
.nav-list { display: flex; gap: 18px; list-style: none; padding: 0; margin: 0; }
.nav-list a { color: var(--text); opacity: 0.9; text-decoration: none; padding: 8px 10px; border-radius: 10px; }
.nav-list a:hover { background: var(--glass); }

/* Buttons */
.btn { display: inline-block; padding: 12px 18px; border-radius: 12px; text-decoration: none; font-weight: 600; letter-spacing: 0.2px; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 8px 22px rgba(0,113,227,0.35); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(0,113,227,0.45); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { background: var(--glass); }

/* Hero */
.hero { padding: 100px 0 80px; position: relative; overflow: clip; }
.hero-inner { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center; }
.hero h1 { font-size: clamp(36px, 5vw, 64px); line-height: 1.05; margin: 0 0 12px; letter-spacing: -0.8px; }
.hero p { font-size: 18px; color: var(--text-dim); margin: 0 0 24px; }
.hero-cta { display: flex; gap: 14px; margin-bottom: 18px; }
.hero-badges { display: flex; gap: 18px; list-style: none; padding: 0; margin: 8px 0 0; color: var(--text-dim); }
.hero-media { position: relative; }
.glass-card { background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.03)); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); display: grid; gap: 16px; }
.metric { display: grid; grid-template-columns: auto 1fr auto; align-items: baseline; gap: 8px; }
.metric-label { color: var(--text-dim); font-size: 14px; }
.metric-value { font-size: 40px; font-weight: 800; letter-spacing: -0.5px; }
.metric-sub { color: var(--text-dim); }

/* Sections */
.section { padding: 80px 0; }
.section.muted { background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01)); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-title { font-size: clamp(28px, 4vw, 40px); margin: 0 0 10px; letter-spacing: -0.4px; }
.section-subtitle { color: var(--text-dim); margin-bottom: 30px; }

.grid { display: grid; gap: 22px; }
.cards { grid-template-columns: repeat(4, 1fr); }
.card { background: rgba(255,255,255,0.03); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.card:hover { transform: translateY(-6px); background: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.18); }
.card h3 { margin: 0 0 8px; }
.card p { color: var(--text-dim); margin: 0 0 8px; }
.card ul { margin: 0; padding-left: 18px; color: var(--text-dim); }

/* About */
.about { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center; }
.ticks { list-style: none; padding: 0; margin: 14px 0 0; }
.ticks li { position: relative; padding-left: 26px; margin: 8px 0; }
.ticks li::before { content: "✔"; position: absolute; left: 0; top: 0; color: #30d158; }
.profile { height: 420px; border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow); background: radial-gradient(120px 120px at 80% 20%, rgba(0,113,227,0.12), transparent); overflow: hidden; display: grid; }
.profile img { width: 100%; height: 100%; object-fit: cover; object-position: center; display: block; filter: saturate(1.05) contrast(1.02); }

/* Timeline */
.timeline { border-left: 2px solid var(--border); padding-left: 24px; display: grid; gap: 22px; }
.timeline-item { position: relative; padding-left: 6px; }
.timeline-item::before { content: ""; position: absolute; left: -30px; top: 6px; width: 12px; height: 12px; background: var(--accent); border-radius: 50%; box-shadow: 0 0 0 4px rgba(0,113,227,0.25); }
.tag { display: inline-block; font-size: 12px; color: #111; background: #cfe6ff; border-radius: 999px; padding: 4px 10px; margin-top: 8px; }

/* Carousel */
.carousel { position: relative; display: grid; grid-template-columns: auto 1fr auto; gap: 10px; align-items: center; }
.carousel-track { overflow: hidden; display: flex; scroll-behavior: smooth; }
.quote { min-width: 100%; margin: 0; padding: 24px; background: rgba(255,255,255,0.03); border: 1px solid var(--border); border-radius: var(--radius); }
.quote p { margin: 0 0 10px; }
.carousel-prev, .carousel-next { width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--border); background: transparent; color: var(--text); }
.carousel-prev:hover, .carousel-next:hover { background: var(--glass); }

/* Posts */
.posts { grid-template-columns: repeat(3, 1fr); }
.post { background: rgba(255,255,255,0.03); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; }
.post p { color: var(--text-dim); }
.link { color: var(--accent); text-decoration: none; }
.link:hover { text-decoration: underline; }

/* Forms */
.contact-form { display: grid; gap: 16px; }
.form-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.field { display: grid; gap: 8px; }
label { color: var(--text); font-weight: 600; }
input, textarea { width: 100%; padding: 12px 14px; border-radius: 12px; background: rgba(255,255,255,0.04); border: 1px solid var(--border); color: var(--text); outline: none; }
input:focus, textarea:focus { border-color: rgba(255,255,255,0.25); box-shadow: 0 0 0 4px rgba(255,255,255,0.05) inset; }
.error { color: #ff5e57; font-size: 12px; min-height: 16px; }
.form-actions { display: flex; align-items: center; gap: 14px; }
.form-note { color: var(--text-dim); margin: 0; }

.contact-meta { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 24px; }
.contact-meta h3 { margin: 0 0 6px; }
.contact-meta p { margin: 0; color: var(--text-dim); }

/* Footer */
.site-footer { border-top: 1px solid var(--border); background: rgba(255,255,255,0.02); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; padding: 22px 0; }
.footer-links { display: flex; gap: 12px; list-style: none; margin: 0; padding: 0; }
.footer-links a { color: var(--text-dim); text-decoration: none; }
.footer-links a:hover { color: var(--text); }

/* Form feedback banner */
.form-feedback { margin-top: 18px; padding: 14px 18px; border: 1px solid transparent; border-radius: 14px; font-size: 14px; font-weight: 500; line-height: 1.4; display: none; }
.form-feedback.show { display: block; animation: fadeSlide .4s ease; }
.form-feedback.success { background: linear-gradient(135deg,#072d12,#0d3c1a); border-color: #1a5f36; color: #c8f7dc; box-shadow: 0 6px 20px -6px rgba(0,0,0,0.5); }
.form-feedback.error { background: linear-gradient(135deg,#3a1111,#521b1b); border-color: #7a2d2d; color: #f8d3d3; }
@keyframes fadeSlide { from { opacity: 0; transform: translateY(-6px);} to { opacity:1; transform: translateY(0);} }

/* WhatsApp Floating Button */
.wa-float { position: fixed; bottom: 26px; right: 24px; width: 60px; height: 60px; background: linear-gradient(135deg,#25D366,#18b654); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; text-decoration: none; box-shadow: 0 10px 28px -4px rgba(0,0,0,0.55), 0 0 0 0 rgba(37,211,102,0.4); z-index: 1200; isolation: isolate; animation: wa-pulse 3.2s infinite; }
.wa-float svg { width: 32px; height: 32px; display: block; }
.wa-float .wa-label { position: absolute; right: 70px; background: #fff; color: #111; padding: 6px 10px; border-radius: 8px; font-size: 12px; font-weight: 600; box-shadow: 0 6px 18px rgba(0,0,0,0.35); opacity: 0; transform: translateX(8px); pointer-events: none; transition: .25s ease; }
.wa-float:hover .wa-label, .wa-float:focus .wa-label { opacity: 1; transform: translateX(0); }
.wa-float:focus { outline: 3px solid rgba(255,255,255,0.4); outline-offset: 3px; }
.wa-float:hover { filter: brightness(1.08); transform: translateY(-4px); }
@keyframes wa-pulse { 0% { box-shadow: 0 10px 28px -4px rgba(0,0,0,0.55), 0 0 0 0 rgba(37,211,102,0.35);} 70% { box-shadow: 0 10px 28px -4px rgba(0,0,0,0.55), 0 0 0 28px rgba(37,211,102,0);} 100% { box-shadow: 0 10px 28px -4px rgba(0,0,0,0.55), 0 0 0 0 rgba(37,211,102,0);} }

/* Responsive */
@media (max-width: 1000px) {
  .hero-inner, .about { grid-template-columns: 1fr; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .posts { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .header-inner { height: auto; padding: 12px 0; align-items: flex-start; }
  .nav-toggle { display: inline-block; }
  .nav-list { display: none; flex-direction: column; gap: 8px; padding: 10px; background: rgba(255,255,255,0.03); border: 1px solid var(--border); border-radius: 12px; position: absolute; right: 20px; top: 60px; }
  .nav-list.open { display: flex; }
  .cards { grid-template-columns: 1fr; }
  .posts { grid-template-columns: 1fr; }
  .form-row, .contact-meta { grid-template-columns: 1fr; }
}