/* ============================================================
   LAMBALI — SHARED STYLES (v2 — Slate / Indigo / Amber)
   Used by: index.php, features.php, contact.php, privacy.php
   ============================================================ */

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

:root{
  --ink:#0f172a;        /* slate-900 — primary text / dark sections */
  --ink-2:#1e293b;       /* slate-800 */
  --ink-soft:#475569;    /* slate-600 — body text */
  --muted:#64748b;
  --line:#e2e8f0;        /* slate-200 */
  --bg:#f8fafc;          /* slate-50 — page bg */
  --card:#ffffff;

  --indigo:#4f46e5;
  --indigo-dk:#3730a3;
  --indigo-lt:#eef2ff;

  --amber:#f59e0b;
  --amber-dk:#d97706;
  --amber-lt:#fffbeb;

  --green:#16a34a;--green-bg:#dcfce7;
  --red:#dc2626;--red-bg:#fee2e2;

  --r:14px;--r2:22px;
  --sh:0 4px 16px rgba(15,23,42,.06);
  --sh2:0 16px 48px rgba(15,23,42,.12);
}

html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--ink-soft);line-height:1.65;font-size:15px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1120px;margin:0 auto;padding:0 24px}
.sec{padding:88px 0}
.tc{text-align:center}

/* ============================================================
   NAVBAR
   ============================================================ */
nav{background:rgba(15,23,42,.85);backdrop-filter:blur(10px);position:sticky;top:0;z-index:300;height:64px;display:flex;align-items:center;border-bottom:1px solid rgba(255,255,255,.06)}
nav .container{display:flex;align-items:center;justify-content:space-between;width:100%}
.brand{display:flex;align-items:center;gap:11px}
.brand-ico{width:40px;height:40px;background:transparent;display:grid;place-items:center;font-weight:900;font-size:18px;color:#fff;border-radius:10px;}
.brand-ico img{width:40px;height:40px;background:transparent;border-radius:10px;transition:.3s}
.brand-ico:hover img{transform:scale(5.18); position: relative; z-index: 10; top: 72px;}
.brand-name{font-weight:800;font-size:16px;color:#fff;letter-spacing:-.2px}
.brand-sub{font-size:10px;color:rgba(255,255,255,.45);line-height:1;margin-top:2px;letter-spacing:.5px;text-transform:uppercase}

.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{color:rgba(255,255,255,.65);padding:8px 16px;border-radius:8px;font-size:13.5px;font-weight:500;transition:.18s}
.nav-links a:hover,.nav-links a.act{color:#fff;background:rgba(255,255,255,.08)}

/* Hamburger toggle (mobile) */
.nav-toggle{display:none;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:8px;z-index:301}
.nav-toggle span{display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:.2s}
.nav-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

@media(max-width:768px){
  .nav-toggle{display:flex}
  .nav-links{position:absolute;top:64px;left:0;right:0;background:#0f172a;flex-direction:column;align-items:stretch;gap:0;padding:0;max-height:0;overflow:hidden;transition:max-height .25s ease;border-bottom:1px solid rgba(255,255,255,.06)}
  .nav-links.open{max-height:400px;padding:8px 0}
  .nav-links a{padding:13px 24px;border-radius:0}
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 28px;border-radius:11px;font-size:15px;font-weight:700;cursor:pointer;border:none;font-family:inherit;transition:.2s;text-decoration:none;line-height:1}
.btn-amber{background:var(--amber);color:#1c1306;box-shadow:0 6px 20px rgba(245,158,11,.35)}
.btn-amber:hover{background:var(--amber-dk);transform:translateY(-2px);box-shadow:0 8px 24px rgba(245,158,11,.45)}
.btn-indigo{background:var(--indigo);color:#fff;box-shadow:0 6px 20px rgba(79,70,229,.3)}
.btn-indigo:hover{background:var(--indigo-dk);transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.06);color:#fff;border:1.5px solid rgba(255,255,255,.18)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.35)}
.btn-outline{background:#fff;color:var(--indigo);border:1.5px solid var(--indigo)}
.btn-outline:hover{background:var(--indigo-lt)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-2);transform:translateY(-1px)}

/* Animated gradient — used for app/apk download highlight */
.btn-apk{background:linear-gradient(90deg,var(--green),#0ea5e9,var(--green));background-size:200% 100%;color:#fff;animation:apkShift 9s linear infinite;box-shadow:0 6px 20px rgba(22,163,74,.3)}
.btn-apk:hover{animation-play-state:paused;transform:translateY(-2px)}
@keyframes apkShift{0% { background-position: 0% 50% } 100% { background-position: 300% 50% }}

/* ============================================================
   PAGE HERO (features.php, contact.php, privacy.php)
   ============================================================ */
.pg-hero{background:linear-gradient(160deg,#0f172a 0%,#1e1b4b 60%,#312e81 100%);padding:64px 0;text-align:center;color:#fff;position:relative;overflow:hidden}
.pg-hero::before{content:'';position:absolute;top:-100px;right:-100px;width:340px;height:340px;background:rgba(245,158,11,.08);border-radius:50%;filter:blur(40px)}
.pg-hero h1{font-size:clamp(26px,3.8vw,42px);font-weight:900;margin-bottom:12px;letter-spacing:-1px;position:relative;z-index:1}
.pg-hero p{font-size:16px;color:rgba(255,255,255,.65);max-width:540px;margin:0 auto;position:relative;z-index:1}

/* ============================================================
   TAGS / HEADINGS
   ============================================================ */
.tag{display:inline-flex;align-items:center;gap:6px;background:var(--indigo-lt);color:var(--indigo);font-size:11.5px;font-weight:700;padding:5px 16px;border-radius:100px;text-transform:uppercase;letter-spacing:1px;margin-bottom:14px}
h2{font-size:clamp(24px,3.2vw,36px);font-weight:800;line-height:1.2;margin-bottom:12px;letter-spacing:-.5px;color:var(--ink)}
.sec-desc{font-size:15.5px;color:var(--muted);max-width:540px;margin:0 auto 52px}

/* ============================================================
   FORMS
   ============================================================ */
.form-group{margin-bottom:16px}
.form-lbl{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--ink)}
.form-inp,.form-sel,.form-ta{width:100%;padding:11px 14px;border:1.5px solid var(--line);border-radius:10px;font-size:14px;font-family:inherit;background:#f8fafc;color:var(--ink);transition:.18s;outline:none}
.form-inp:focus,.form-sel:focus,.form-ta:focus{border-color:var(--indigo);background:#fff;box-shadow:0 0 0 3px rgba(79,70,229,.1)}
.form-ta{resize:vertical;min-height:100px}
.alert{padding:13px 16px;border-radius:10px;font-weight:500;font-size:13.5px;margin-top:14px;display:none}
.a-ok{background:var(--green-bg);color:#166534;border:1px solid #bbf7d0}
.a-err{background:var(--red-bg);color:#991b1b;border:1px solid #fecaca}

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-ban,.cta-wrap{background:linear-gradient(135deg,#1e1b4b,#4f46e5);border-radius:var(--r2);padding:60px 48px;text-align:center;position:relative;overflow:hidden}
.cta-ban::before,.cta-wrap::before{content:'';position:absolute;bottom:-60px;left:-60px;width:220px;height:220px;background:rgba(245,158,11,.12);border-radius:50%;filter:blur(30px)}
.cta-ban h2,.cta-wrap h2{color:#fff;margin-bottom:10px;position:relative;z-index:1}
.cta-ban p,.cta-wrap p{color:rgba(255,255,255,.7);margin-bottom:28px;position:relative;z-index:1}
.cta-ban .btn,.cta-wrap .btn{position:relative;z-index:1}

/* ============================================================
   FOOTER
   ============================================================ */
footer{background:#0f172a;color:rgba(255,255,255,.55);text-align:center;padding:32px 24px;font-size:13px}
footer strong{color:#fff}
footer a{color:rgba(255,255,255,.55)}
footer a:hover{color:#fff}

/* ============================================================
   GLOBAL MOBILE OVERRIDES
   ============================================================ */
@media(max-width:768px){
  .sec{padding:56px 0}
  .cta-ban,.cta-wrap{padding:40px 24px}
  .btn{padding:12px 22px;font-size:14px}
}