/* ===================================================
   BLUE SHARK DIGITAL VENTURES — Corporate Stylesheet
   Color: Deep Blue & White
   =================================================== */

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-dark:      #0A1628;
  --bg-mid:       #0F1F3D;
  --bg-card:      #132040;
  --bg-card-hover:#172650;
  --accent:       #1E90FF;
  --accent-light: #4AABFF;
  --accent-glow:  rgba(30, 144, 255, 0.18);
  --text-primary: #FFFFFF;
  --text-secondary:#A0B4CC;
  --text-muted:   #6A7F99;
  --border:       rgba(30, 144, 255, 0.15);
  --border-hover: rgba(30, 144, 255, 0.4);
  --radius:       12px;
  --radius-lg:    20px;
  --shadow:       0 8px 32px rgba(0,0,0,0.35);
  --shadow-glow:  0 0 40px rgba(30,144,255,0.12);
  --transition:   0.3s ease;
  --font-head:    'Syne', sans-serif;
  --font-body:    'Inter', sans-serif;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 100px 0; }

.accent { color: var(--accent); }

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

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

/* ───────────────────────────────────────────
   TYPOGRAPHY
─────────────────────────────────────────── */
h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.2; }
h1 { font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 700; }

.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid var(--border-hover);
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.section-header {
  text-align: center;
  max-width: 660px;
  margin: 0 auto 64px;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-top: 14px;
}

/* ───────────────────────────────────────────
   BUTTONS
─────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 20px rgba(30,144,255,0.35);
}
.btn-primary:hover {
  background: var(--accent-light);
  box-shadow: 0 6px 28px rgba(30,144,255,0.5);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border-hover);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
  transform: translateY(-2px);
}

.btn-full { width: 100%; justify-content: center; }

/* ───────────────────────────────────────────
   NAVBAR
─────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 18px 0;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}
.navbar.scrolled {
  background: rgba(10, 22, 40, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border), var(--shadow);
  padding: 12px 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
}
.logo-shark {
  color: var(--accent);
  font-size: 1.3rem;
  display: inline-block;
  transform: rotate(45deg);
}
.logo-text {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 6px;
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }
.nav-links .nav-cta {
  background: var(--accent);
  color: #fff;
  padding: 9px 18px;
  border-radius: 8px;
  margin-left: 8px;
}
.nav-links .nav-cta:hover { background: var(--accent-light); color: #fff; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ───────────────────────────────────────────
   HERO
─────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(30,144,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30,144,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}
.glow-1 {
  width: 600px; height: 600px;
  background: rgba(30,144,255,0.12);
  top: -200px; right: -100px;
}
.glow-2 {
  width: 400px; height: 400px;
  background: rgba(30,144,255,0.08);
  bottom: 0; left: -100px;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
  padding: 60px 24px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid var(--border-hover);
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 28px;
  animation: fadeInDown 0.6s ease both;
}

.hero h1 {
  margin-bottom: 24px;
  animation: fadeInUp 0.7s ease 0.1s both;
  text-shadow: 0 2px 40px rgba(30,144,255,0.15);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 36px;
  animation: fadeInUp 0.7s ease 0.2s both;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 56px;
  animation: fadeInUp 0.7s ease 0.3s both;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  animation: fadeInUp 0.7s ease 0.4s both;
}
.stat { display: flex; flex-direction: column; }
.stat-num {
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-primary);
}
.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

.scroll-indicator {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: bounce 2s infinite;
}
.scroll-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  margin-top: 8px;
}

/* ───────────────────────────────────────────
   ABOUT
─────────────────────────────────────────── */
.about {
  background: var(--bg-mid);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.about-visual {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.about-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow);
  transform: translateX(6px);
}
.about-icon { font-size: 1.6rem; flex-shrink: 0; }
.about-card p { color: var(--text-secondary); font-size: 0.95rem; margin: 0; }

.about-text h2 { margin-bottom: 20px; }
.about-text p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-size: 1rem;
}
.about-text .btn { margin-top: 8px; }

/* Floating animation */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}
.card-float { animation: float 5s ease-in-out infinite; }
.card-float.delay-1 { animation-delay: 0.7s; }
.card-float.delay-2 { animation-delay: 1.4s; }

/* ───────────────────────────────────────────
   SERVICES
─────────────────────────────────────────── */
.services { background: var(--bg-dark); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-card--wide {
  grid-column: 1 / -1;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.service-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow), var(--shadow-glow);
}
.service-card:hover::before { opacity: 1; }

.service-icon-wrap {
  width: 52px;
  height: 52px;
  color: var(--accent);
  margin-bottom: 20px;
  background: var(--accent-glow);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
}

.service-card h3 { margin-bottom: 12px; }
.service-card > p { color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 20px; }

.service-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.service-list li {
  color: var(--text-secondary);
  font-size: 0.88rem;
  padding-left: 18px;
  position: relative;
}
.service-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* Wide card overrides */
.service-card--wide {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto auto;
  column-gap: 28px;
}
.service-card--wide .service-icon-wrap { grid-row: 1; grid-column: 1; }
.service-card--wide h3 { grid-row: 1; grid-column: 2; align-self: center; margin-bottom: 0; }
.service-card--wide > p { grid-row: 2; grid-column: 1 / -1; }
.service-card--wide .service-list {
  grid-row: 3;
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px 24px;
}

/* ───────────────────────────────────────────
   PROCESS
─────────────────────────────────────────── */
.process { background: var(--bg-mid); }

.process-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
}

.process-step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
}

.step-number {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--accent-glow);
  border: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--accent);
  flex-shrink: 0;
  box-shadow: 0 0 24px rgba(30,144,255,0.2);
}

.step-content h3 { margin-bottom: 8px; }
.step-content p { color: var(--text-secondary); font-size: 0.92rem; }

.process-connector {
  flex: 0 0 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--border));
  margin-top: 32px;
  opacity: 0.5;
}

/* ───────────────────────────────────────────
   WHY US
─────────────────────────────────────────── */
.why-us { background: var(--bg-dark); }

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.why-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.why-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}
.why-icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
  display: block;
}
.why-card h3 { margin-bottom: 10px; font-size: 1.05rem; }
.why-card p { color: var(--text-secondary); font-size: 0.9rem; }

/* ───────────────────────────────────────────
   CONTACT
─────────────────────────────────────────── */
.contact {
  background: var(--bg-mid);
  position: relative;
  overflow: hidden;
}
.contact::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(30,144,255,0.08), transparent 70%);
  pointer-events: none;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 72px;
  align-items: start;
}

.contact-info h2 { margin-bottom: 16px; }
.contact-info > p { color: var(--text-secondary); margin-bottom: 32px; font-size: 0.97rem; }

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 28px;
}
.contact-detail {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}
.detail-icon { font-size: 1.1rem; }

.contact-note {
  background: var(--accent-glow);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}
.contact-note strong { color: var(--text-primary); }

/* Form */
.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
}

.contact-form { display: flex; flex-direction: column; gap: 20px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.03em;
}

.required { color: var(--accent); }

input, select, textarea {
  background: var(--bg-mid);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  width: 100%;
}

input::placeholder, textarea::placeholder { color: var(--text-muted); }

input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(30,144,255,0.1);
}

select {
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236A7F99' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}
select option { background: var(--bg-mid); }

textarea { resize: vertical; min-height: 130px; }

.form-success {
  display: none;
  background: rgba(34,197,94,0.12);
  border: 1px solid rgba(34,197,94,0.3);
  color: #4ade80;
  border-radius: 8px;
  padding: 14px 18px;
  font-size: 0.92rem;
  text-align: center;
}
.form-success.visible { display: block; }

.form-error {
  display: none;
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.25);
  color: #f87171;
  border-radius: 8px;
  padding: 14px 18px;
  font-size: 0.92rem;
  text-align: center;
}
.form-error.visible { display: block; }

/* ───────────────────────────────────────────
   FOOTER
─────────────────────────────────────────── */
.footer {
  background: var(--bg-dark);
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 60px;
  align-items: start;
  padding: 60px 24px 48px;
}

.footer-brand .logo { margin-bottom: 14px; }
.footer-brand > p { color: var(--text-muted); font-size: 0.9rem; max-width: 240px; }

.footer-links { display: flex; gap: 60px; }

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-col h4 {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.footer-col a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--accent); }

.footer-bottom {
  border-top: 1px solid var(--border);
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  padding-bottom: 24px;
}
.footer-bottom p { font-size: 0.85rem; color: var(--text-muted); }
.footer-legal a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color var(--transition);
}
.footer-legal a:hover { color: var(--accent); }

/* ───────────────────────────────────────────
   SCROLL REVEAL ANIMATION
─────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal.delay-1 { transition-delay: 0.12s; }
.reveal.delay-2 { transition-delay: 0.24s; }
.reveal.delay-3 { transition-delay: 0.36s; }

/* ───────────────────────────────────────────
   KEYFRAMES
─────────────────────────────────────────── */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(8px); }
}

/* ───────────────────────────────────────────
   RESPONSIVE
─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { flex-wrap: wrap; }
  .process-connector { display: none; }
  .process-step { flex: 0 0 calc(50% - 12px); }
}

@media (max-width: 860px) {
  .about-grid,
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }

  .services-grid { grid-template-columns: 1fr; }
  .service-card--wide { grid-column: auto; }
  .service-card--wide { display: flex; flex-direction: column; }
  .service-card--wide .service-list { grid-template-columns: 1fr; }

  .hamburger { display: flex; }

  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(10,22,40,0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: stretch;
    padding: 20px 24px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-110%);
    opacity: 0;
    transition: transform 0.35s ease, opacity 0.35s ease;
    pointer-events: none;
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  .nav-links a { padding: 12px 16px; border-radius: 8px; font-size: 1rem; }
  .nav-links .nav-cta { margin-left: 0; text-align: center; justify-content: center; margin-top: 8px; }

  .footer-inner { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom .container { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 600px) {
  .section { padding: 72px 0; }
  .why-grid { grid-template-columns: 1fr; }
  .process-step { flex: 0 0 100%; }
  .form-row { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; align-items: flex-start; gap: 12px; }
  .stat-divider { display: none; }
  .contact-form-wrap { padding: 28px 20px; }
  .footer-links { flex-direction: column; gap: 28px; }
}