/* =====================================================
   Marks Computer System — Professional Design System
   ===================================================== */

/* ── Variables ── */
:root {
  --c-bg:       #ffffff;
  --c-surface:  #f8fafc;
  --c-surface2: #f1f5f9;
  --c-card:     #ffffff;
  --c-accent:   #2563eb;
  --c-accent-h: #1d4ed8;
  --c-cyan:     #0891b2;
  --c-purple:   #7c3aed;
  --c-green:    #059669;
  --c-orange:   #ea580c;
  --c-text:     #0f172a;
  --c-text2:    #64748b;
  --c-border:   rgba(0, 0, 0, 0.1);
  --shadow:     0 4px 24px rgba(0, 0, 0, 0.08);
  --shadow-h:   0 8px 40px rgba(37, 99, 235, 0.18);
  --r:          12px;
  --r-lg:       20px;
  --ease:       all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font:       'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ── Reset ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: var(--font); }

/* ── Header ── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.25rem 2rem;
  transition: var(--ease);
}
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--c-border);
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.07);
  padding: 0.8rem 2rem;
}
.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo { display: flex; align-items: center; gap: 0.75rem; }
.logo img { height: 42px; }
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-text .brand   { font-size: 1rem; font-weight: 700; color: var(--c-text); }
.logo-text .tagline { font-size: 0.65rem; color: var(--c-accent); letter-spacing: 0.12em; text-transform: uppercase; font-weight: 500; }

.nav-links { display: flex; align-items: center; gap: 0.25rem; }
.nav-links a {
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--c-text2);
  transition: var(--ease);
}
.nav-links a:hover, .nav-links a.active { color: var(--c-text); background: rgba(255,255,255,0.06); }
.nav-links a.nav-cta {
  background: var(--c-accent);
  color: #fff;
  margin-left: 0.5rem;
  padding: 0.5rem 1.25rem;
}
.nav-links a.nav-cta:hover {
  background: var(--c-accent-h);
  box-shadow: 0 4px 20px rgba(37,99,235,0.45);
  transform: translateY(-1px);
}

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; border: none; background: none; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--c-text); border-radius: 2px; transition: var(--ease); }
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

.mobile-menu {
  display: none;
  position: fixed; inset: 0;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
}
.mobile-menu.open { display: flex; }
.mobile-menu a { font-size: 1.5rem; font-weight: 600; padding: 0.5rem 2rem; border-radius: 10px; transition: var(--ease); }
.mobile-menu a:hover { color: var(--c-accent); background: rgba(37,99,235,0.08); }
.mobile-close {
  position: absolute; top: 1.5rem; right: 1.5rem;
  background: none; border: none; color: var(--c-text2);
  font-size: 1.5rem; cursor: pointer; transition: var(--ease);
}
.mobile-close:hover { color: var(--c-text); }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.875rem 2rem; border-radius: 10px;
  font-weight: 600; font-size: 0.95rem;
  transition: var(--ease); cursor: pointer; border: none;
}
.btn-primary { background: var(--c-accent); color: #fff; }
.btn-primary:hover { background: var(--c-accent-h); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(37,99,235,0.4); }
.btn-outline {
  background: transparent; color: var(--c-text);
  border: 1px solid var(--c-border);
}
.btn-outline:hover { background: rgba(37,99,235,0.06); border-color: rgba(37,99,235,0.3); transform: translateY(-2px); }
.btn-sm { padding: 0.6rem 1.25rem; font-size: 0.875rem; }

/* ── Hero ── */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  position: relative; overflow: hidden;
  padding: 8rem 2rem 5rem;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(37,99,235,0.1) 0%, transparent 65%),
    radial-gradient(ellipse 50% 40% at 85% 65%, rgba(8,145,178,0.07) 0%, transparent 55%),
    radial-gradient(ellipse 35% 30% at 10% 80%, rgba(124,58,237,0.05) 0%, transparent 55%),
    var(--c-bg);
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,0,0,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 90% at 50% 50%, black 20%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 90% at 50% 50%, black 20%, transparent 100%);
}
.hero-inner {
  position: relative; max-width: 1280px; margin: 0 auto; width: 100%;
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.4rem 1rem; border-radius: 50px;
  background: rgba(37,99,235,0.08); border: 1px solid rgba(37,99,235,0.22);
  font-size: 0.78rem; font-weight: 600; color: var(--c-accent);
  letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 1.5rem;
}
.hero-badge::before {
  content: ''; width: 7px; height: 7px; border-radius: 50%;
  background: var(--c-accent); box-shadow: 0 0 8px rgba(37,99,235,0.5);
  animation: blink 2s ease-in-out infinite;
}
.hero-title {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800; line-height: 1.1;
  letter-spacing: -0.03em; margin-bottom: 1.5rem;
}
.hero-title .grad {
  background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-cyan) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-desc { font-size: 1.05rem; color: var(--c-text2); max-width: 520px; margin-bottom: 2.5rem; line-height: 1.85; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 3rem; }
.hero-stats { display: flex; gap: 3rem; padding-top: 2rem; border-top: 1px solid var(--c-border); }
.hstat-num { font-size: 2rem; font-weight: 800; line-height: 1; }
.hstat-label { font-size: 0.78rem; color: var(--c-text2); margin-top: 0.2rem; }

/* Hero Visual */
.hero-visual { display: flex; align-items: center; justify-content: center; }
.vis-wrap { position: relative; width: 100%; max-width: 460px; padding: 3rem 1rem; }
.vis-card {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: 1.5rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  transition: var(--ease);
}
.vis-card:hover { transform: translateY(-4px); border-color: rgba(37,99,235,0.3); box-shadow: var(--shadow-h); }
.vis-main { position: relative; z-index: 3; animation: float 6s ease-in-out infinite; }
.vis-fl1 { position: absolute; top: 0; right: -1rem; width: 180px; z-index: 2; animation: float 6s ease-in-out 2s infinite; }
.vis-fl2 { position: absolute; bottom: 0; left: -1rem; width: 190px; z-index: 1; animation: float 6s ease-in-out 4s infinite; }
.vc-icon {
  width: 46px; height: 46px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin-bottom: 0.875rem;
}
.vc-icon.blue { background: rgba(37,99,235,0.2); }
.vc-icon.cyan { background: rgba(6,182,212,0.2); }
.vc-icon.green { background: rgba(16,185,129,0.2); }
.vc-icon.purple { background: rgba(124,58,237,0.2); }
.vc-title { font-weight: 700; font-size: 0.9rem; margin-bottom: 0.2rem; }
.vc-sub { color: var(--c-text2); font-size: 0.78rem; }
.vc-meta { display: flex; align-items: center; gap: 0.5rem; margin-top: 0.75rem; }
.dot-green { width: 7px; height: 7px; border-radius: 50%; background: var(--c-green); box-shadow: 0 0 7px var(--c-green); animation: blink 2s infinite; }
.dot-label { font-size: 0.75rem; color: var(--c-text2); }
.vc-bar { height: 4px; background: rgba(255,255,255,0.06); border-radius: 4px; margin-top: 0.75rem; overflow: hidden; }
.vc-bar-fill { height: 100%; border-radius: 4px; background: linear-gradient(90deg, var(--c-accent), var(--c-cyan)); }

/* ── Sections ── */
.section { padding: 6rem 2rem; }
.section-inner { max-width: 1280px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 4rem; }
.sec-badge {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.3rem 0.9rem; border-radius: 50px;
  background: rgba(37,99,235,0.1); border: 1px solid rgba(37,99,235,0.22);
  font-size: 0.72rem; font-weight: 700; color: var(--c-accent);
  letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 1rem;
}
.sec-title {
  font-size: clamp(1.7rem, 4vw, 2.75rem);
  font-weight: 800; letter-spacing: -0.02em; margin-bottom: 1rem;
}
.sec-sub { color: var(--c-text2); font-size: 1.025rem; max-width: 580px; margin: 0 auto; line-height: 1.85; }
.divider { width: 56px; height: 3px; background: linear-gradient(90deg, var(--c-accent), var(--c-cyan)); border-radius: 3px; margin: 1rem auto; }

/* ── Services Grid ── */
.services-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 1.5rem; }
.svc-card {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: 2rem; transition: var(--ease);
  position: relative; overflow: hidden;
  box-shadow: var(--shadow);
}
.svc-card::after {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-color, var(--c-accent)), transparent);
  opacity: 0; transition: var(--ease);
}
.svc-card:hover { transform: translateY(-6px); border-color: rgba(37,99,235,0.28); box-shadow: 0 20px 60px rgba(0,0,0,0.35), 0 0 40px rgba(37,99,235,0.1); }
.svc-card:hover::after { opacity: 1; }
.svc-icon {
  width: 58px; height: 58px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.7rem; margin-bottom: 1.5rem; position: relative;
}
.svc-icon.blue { background: rgba(37,99,235,0.18); }
.svc-icon.cyan { background: rgba(6,182,212,0.18); }
.svc-icon.purple { background: rgba(124,58,237,0.18); }
.svc-icon.green { background: rgba(16,185,129,0.18); }
.svc-icon.orange { background: rgba(249,115,22,0.18); }
.svc-icon.pink { background: rgba(236,72,153,0.18); }
.svc-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.7rem; }
.svc-desc { color: var(--c-text2); font-size: 0.875rem; line-height: 1.75; margin-bottom: 1.5rem; }
.svc-link { display: inline-flex; align-items: center; gap: 0.4rem; color: var(--c-accent); font-size: 0.85rem; font-weight: 600; transition: var(--ease); }
.svc-link:hover { gap: 0.7rem; color: var(--c-cyan); }

/* ── Stats ── */
.stats-band { background: #f1f5f9; border-top: 1px solid var(--c-border); border-bottom: 1px solid var(--c-border); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); text-align: center; }
.stat-card { padding: 3rem 1.5rem; border-right: 1px solid var(--c-border); }
.stat-card:last-child { border-right: none; }
.stat-val {
  display: block; font-size: 3rem; font-weight: 800; line-height: 1;
  background: linear-gradient(135deg, var(--c-accent), var(--c-cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.stat-name { font-size: 0.875rem; color: var(--c-text2); margin-top: 0.5rem; font-weight: 500; }

/* ── About ── */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; }
.about-img-wrap { position: relative; }
.about-img-wrap img { width: 100%; border-radius: var(--r-lg); object-fit: cover; aspect-ratio: 4/3; }
.about-badge {
  position: absolute; bottom: -1.5rem; right: -1.5rem;
  background: linear-gradient(135deg, var(--c-accent), var(--c-cyan));
  border-radius: var(--r); padding: 1.25rem 1.75rem;
  box-shadow: 0 8px 32px rgba(37,99,235,0.5); text-align: center;
}
.ab-num { display: block; font-size: 2.5rem; font-weight: 800; color: #fff; line-height: 1; }
.ab-label { font-size: 0.72rem; color: rgba(255,255,255,0.8); display: block; margin-top: 0.25rem; font-weight: 500; letter-spacing: 0.04em; }

.about-text { }
.about-features { display: grid; grid-template-columns: 1fr 1fr; gap: 0.875rem; margin: 2rem 0; }
.feat-item {
  display: flex; align-items: flex-start; gap: 0.75rem;
  padding: 1rem; border-radius: var(--r);
  background: var(--c-card); border: 1px solid var(--c-border);
  transition: var(--ease);
}
.feat-item:hover { border-color: rgba(37,99,235,0.25); }
.feat-ico { width: 34px; height: 34px; border-radius: 8px; background: rgba(37,99,235,0.18); display: flex; align-items: center; justify-content: center; font-size: 0.95rem; flex-shrink: 0; }
.feat-text strong { display: block; font-size: 0.8rem; font-weight: 600; margin-bottom: 0.15rem; }
.feat-text span { font-size: 0.75rem; color: var(--c-text2); }

/* ── Why Us ── */
.whyus-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 1.5rem; }
.why-card {
  padding: 2rem; border-radius: var(--r-lg);
  background: var(--c-card); border: 1px solid var(--c-border);
  transition: var(--ease);
}
.why-card:hover { border-color: rgba(37,99,235,0.28); transform: translateY(-4px); }
.why-num { font-size: 3rem; font-weight: 900; color: rgba(37,99,235,0.12); line-height: 1; margin-bottom: 1rem; }
.why-title { font-size: 1rem; font-weight: 700; margin-bottom: 0.5rem; }
.why-desc { color: var(--c-text2); font-size: 0.86rem; line-height: 1.7; }

/* ── Tech Badges ── */
.tech-pills { display: flex; flex-wrap: wrap; gap: 0.875rem; justify-content: center; }
.tech-pill {
  padding: 0.6rem 1.25rem; border-radius: 50px;
  background: var(--c-card); border: 1px solid var(--c-border);
  font-size: 0.85rem; font-weight: 500; color: var(--c-text2);
  transition: var(--ease);
}
.tech-pill:hover { border-color: rgba(37,99,235,0.4); color: var(--c-text); background: rgba(37,99,235,0.1); }

/* ── CTA Banner ── */
.cta-wrap {
  background: linear-gradient(135deg, rgba(37,99,235,0.07) 0%, rgba(8,145,178,0.05) 100%);
  border: 1px solid rgba(37,99,235,0.18); border-radius: var(--r-lg);
  padding: 5rem 3rem; text-align: center; position: relative; overflow: hidden;
}
.cta-wrap::before {
  content: ''; position: absolute; top: -60%; left: 50%; transform: translateX(-50%);
  width: 700px; height: 700px; border-radius: 50%;
  background: radial-gradient(ellipse, rgba(37,99,235,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.cta-title { font-size: clamp(1.5rem, 4vw, 2.5rem); font-weight: 800; letter-spacing: -0.02em; margin-bottom: 1rem; }
.cta-sub { color: var(--c-text2); max-width: 500px; margin: 0 auto 2rem; font-size: 1.025rem; }
.cta-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ── Page Hero (inner pages) ── */
.page-hero {
  min-height: 38vh;
  display: flex; align-items: center;
  position: relative; overflow: hidden;
  padding: 10rem 2rem 5rem;
}
.ph-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 50% -5%, rgba(37,99,235,0.09) 0%, transparent 70%),
    var(--c-bg);
}
.ph-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,0,0,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 10%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 10%, transparent 100%);
}
.ph-inner { position: relative; max-width: 1280px; margin: 0 auto; width: 100%; }
.breadcrumb { display: flex; align-items: center; gap: 0.5rem; font-size: 0.82rem; color: var(--c-text2); margin-bottom: 1rem; }
.breadcrumb a:hover { color: var(--c-accent); }
.page-title { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; letter-spacing: -0.02em; margin-bottom: 1rem; }
.page-sub { color: var(--c-text2); font-size: 1.05rem; max-width: 580px; line-height: 1.85; }

/* ── Process Steps ── */
.process-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
  position: relative;
}
.process-grid::before {
  content: ''; position: absolute; top: 2.6rem; left: 12%; right: 12%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(37,99,235,0.4), transparent);
  pointer-events: none;
}
.proc-step {
  text-align: center; padding: 2rem 1.25rem;
  border-radius: var(--r-lg); background: var(--c-card); border: 1px solid var(--c-border);
  transition: var(--ease); position: relative;
}
.proc-step:hover { transform: translateY(-5px); border-color: rgba(37,99,235,0.28); }
.proc-num {
  width: 54px; height: 54px; border-radius: 50%;
  background: linear-gradient(135deg, var(--c-accent), var(--c-cyan));
  color: #fff; font-size: 1.2rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.25rem; box-shadow: 0 4px 18px rgba(37,99,235,0.4);
}
.proc-title { font-size: 0.975rem; font-weight: 700; margin-bottom: 0.5rem; }
.proc-desc { color: var(--c-text2); font-size: 0.83rem; line-height: 1.65; }

/* ── Values / About Page ── */
.values-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.val-card {
  display: flex; gap: 1.5rem; padding: 2rem;
  border-radius: var(--r-lg); background: var(--c-card); border: 1px solid var(--c-border);
  transition: var(--ease);
}
.val-card:hover { border-color: rgba(37,99,235,0.28); transform: translateY(-4px); }
.val-ico {
  width: 54px; height: 54px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; flex-shrink: 0;
}
.val-ico.blue { background: rgba(37,99,235,0.18); }
.val-ico.cyan { background: rgba(6,182,212,0.18); }
.val-ico.purple { background: rgba(124,58,237,0.18); }
.val-ico.green { background: rgba(16,185,129,0.18); }
.val-ico.orange { background: rgba(249,115,22,0.18); }
.val-content h4 { font-size: 1rem; font-weight: 700; margin-bottom: 0.5rem; }
.val-content p { color: var(--c-text2); font-size: 0.86rem; line-height: 1.7; }

/* ── Team Cards ── */
.team-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1.5rem; }
.team-card {
  border-radius: var(--r-lg); overflow: hidden;
  background: var(--c-card); border: 1px solid var(--c-border);
  transition: var(--ease); text-align: center;
}
.team-card:hover { transform: translateY(-6px); border-color: rgba(37,99,235,0.28); }
.team-avatar {
  background: linear-gradient(135deg, var(--c-surface2), var(--c-accent));
  height: 140px; display: flex; align-items: center; justify-content: center;
  font-size: 3.5rem;
}
.team-info { padding: 1.5rem; }
.team-name { font-size: 1rem; font-weight: 700; margin-bottom: 0.25rem; }
.team-role { font-size: 0.8rem; color: var(--c-cyan); font-weight: 500; }

/* ── Contact ── */
.contact-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: 4rem; align-items: start; }
.ci-items { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 2rem; }
.ci-item {
  display: flex; align-items: flex-start; gap: 1rem; padding: 1.25rem;
  border-radius: var(--r); background: var(--c-card); border: 1px solid var(--c-border);
  transition: var(--ease);
}
.ci-item:hover { border-color: rgba(37,99,235,0.28); }
.ci-ico {
  width: 44px; height: 44px; border-radius: 10px;
  background: rgba(37,99,235,0.15);
  display: flex; align-items: center; justify-content: center; font-size: 1.1rem; flex-shrink: 0;
}
.ci-text strong { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 0.2rem; }
.ci-text span { font-size: 0.82rem; color: var(--c-text2); }

.form-card {
  background: var(--c-card); border: 1px solid var(--c-border);
  border-radius: var(--r-lg); padding: 2.5rem;
  box-shadow: var(--shadow);
}
.form-card h3 { font-size: 1.4rem; font-weight: 700; margin-bottom: 0.5rem; }
.form-card p { color: var(--c-text2); font-size: 0.9rem; margin-bottom: 1.75rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { margin-bottom: 1rem; }
.form-label { display: block; font-size: 0.82rem; font-weight: 500; color: var(--c-text2); margin-bottom: 0.4rem; }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 0.825rem 1rem;
  background: var(--c-surface); border: 1px solid var(--c-border);
  border-radius: 10px; color: var(--c-text); font-size: 0.9rem; font-family: var(--font);
  transition: var(--ease); outline: none;
}
.form-input::placeholder, .form-textarea::placeholder { color: #94a3b8; }
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--c-accent); box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
  background: #fff;
}
.form-select option { background: #fff; }
.form-textarea { resize: vertical; min-height: 130px; }

.map-wrap { border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--c-border); margin-top: 3rem; }
.map-wrap iframe { width: 100%; height: 380px; display: block; }

/* ── Footer ── */
.site-footer { background: #1e293b; color: #e2e8f0; border-top: none; padding: 4.5rem 2rem 2rem; }
.footer-inner { max-width: 1280px; margin: 0 auto; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 3rem; margin-bottom: 3rem; }
.footer-brand p { color: #94a3b8; font-size: 0.86rem; line-height: 1.75; max-width: 280px; margin: 1rem 0 1.5rem; }
.footer-brand .brand { color: #f1f5f9; }
.footer-brand .tagline { color: #60a5fa; }
.social-row { display: flex; gap: 0.7rem; }
.soc-link {
  width: 38px; height: 38px; border-radius: 9px;
  background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.12);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; color: #94a3b8; transition: var(--ease);
}
.soc-link:hover { border-color: var(--c-accent); color: #60a5fa; transform: translateY(-2px); }
.footer-col h4 { font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 1.25rem; color: #f1f5f9; }
.footer-links { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-links a { font-size: 0.86rem; color: #94a3b8; transition: var(--ease); }
.footer-links a:hover { color: #60a5fa; padding-left: 0.3rem; }
.fc-item { display: flex; align-items: flex-start; gap: 0.75rem; font-size: 0.83rem; color: #94a3b8; margin-bottom: 0.75rem; line-height: 1.5; }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.8rem; color: #64748b;
}

/* ── Scroll Top ── */
.scroll-top {
  position: fixed; bottom: 2rem; right: 2rem;
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--c-accent); color: #fff; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center; font-size: 1.1rem;
  box-shadow: 0 4px 20px rgba(37,99,235,0.4); transition: var(--ease);
  opacity: 0; transform: translateY(12px); pointer-events: none;
}
.scroll-top.show { opacity: 1; transform: translateY(0); pointer-events: all; }
.scroll-top:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(37,99,235,0.5); }

/* ── Reveal animations ── */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.65s ease, transform 0.65s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ── Keyframes ── */
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }

/* ── Text helpers ── */
.grad-text {
  background: linear-gradient(135deg, var(--c-accent), var(--c-cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.text-muted { color: var(--c-text2); }

/* ── RESPONSIVE ── */
@media (max-width: 1100px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-visual { display: none; }
  .hero-desc { max-width: 100%; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .about-grid { grid-template-columns: 1fr; }
  .about-badge { right: 1rem; }
  .stats-grid { grid-template-columns: repeat(2,1fr); }
  .stat-card { border-right: none; border-bottom: 1px solid var(--c-border); }
  .stat-card:nth-child(2n) { }
  .process-grid { grid-template-columns: repeat(2,1fr); }
  .process-grid::before { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .section { padding: 4rem 1.25rem; }
  .form-row { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .values-grid { grid-template-columns: 1fr; }
  .about-features { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 0.75rem; text-align: center; }
  .hero-stats { flex-direction: row; justify-content: center; flex-wrap: wrap; gap: 1.5rem; }
  .cta-wrap { padding: 3.5rem 1.5rem; }
}
@media (max-width: 480px) {
  .section { padding: 3rem 1rem; }
  .page-hero { padding: 8rem 1rem 3rem; }
  .process-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-card { padding: 2rem 1rem; }
}

/* ── Form Validation States ── */
.form-input.field-invalid,
.form-select.field-invalid,
.form-textarea.field-invalid {
  border-color: #dc2626;
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.12);
  background: #fff5f5;
}
.field-error {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.78rem;
  color: #dc2626;
  font-weight: 500;
}

/* ── Form Alert Banner ── */
.form-alert {
  margin-top: 1.25rem;
  padding: 1rem 1.25rem;
  border-radius: var(--r);
  font-size: 0.9rem;
  line-height: 1.6;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  border: 1px solid transparent;
  animation: fadeInUp 0.35s ease;
}
.form-alert i { font-size: 1.1rem; margin-top: 0.05rem; flex-shrink: 0; }
.form-alert a { font-weight: 600; }

.form-alert-success {
  background: #f0fdf4;
  border-color: #86efac;
  color: #166534;
}
.form-alert-success a { color: #15803d; }

.form-alert-error {
  background: #fef2f2;
  border-color: #fca5a5;
  color: #991b1b;
}
.form-alert-error a { color: #dc2626; }

/* ── Spinner on send button ── */
@keyframes spin { to { transform: rotate(360deg); } }
.spin { display: inline-block; animation: spin 0.8s linear infinite; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}