/* ========== Hopper Modern — Biz Learning Solutions ========== */
/* Brand palette: hi-tech orange + dark gray, dark theme */

:root {
  --orange: #FF6B1A;
  --orange-bright: #FF8A3D;
  --orange-deep: #E55A0F;
  --bg-0: #1A1410;
  --bg-1: #251C16;
  --bg-2: #30241C;
  --bg-3: #3E2E22;
  --line: #4A382B;
  --text: #FFF4EC;
  --text-dim: #D7C8BD;
  --text-muted: #A89384;
  --grad: linear-gradient(135deg, #FF6B1A 0%, #FF8A3D 100%);
  --shadow-glow: 0 0 0 1px rgba(255,107,26,0.35), 0 20px 60px -20px rgba(255,107,26,0.45);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-0);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--text);
}

h1 { font-size: clamp(2.2rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.75rem); }
h3 { font-size: 1.35rem; }

p { color: var(--text-dim); }

a { color: var(--orange-bright); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--orange); }

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Navigation ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11,13,16,0.85);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: 1200px;
  margin: 0 auto;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  color: var(--text);
  font-size: 1.1rem;
}
.nav-brand img {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--orange);
}
.nav-brand {
  font-size: 1.2rem;
}
.nav-brand span small {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: 0.06em;
}
.nav-links {
  display: flex;
  gap: 6px;
  align-items: center;
  list-style: none;
}
.nav-links a {
  color: var(--text-dim);
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.95rem;
  transition: all .2s ease;
}
.nav-links a:hover { color: var(--text); background: var(--bg-2); }
.nav-links a.active {
  color: var(--orange);
  background: rgba(255,107,26,0.1);
}
.nav-cta {
  background: var(--grad);
  color: #1A1410 !important;
  font-weight: 600;
  padding: 10px 20px !important;
  border-radius: 999px !important;
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: var(--shadow-glow); }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: 0;
  transition: all .25s ease;
  font-family: inherit;
}
.btn-primary {
  background: var(--grad);
  color: #0B0D10;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px -10px rgba(255,107,26,0.55);
  color: #1A1410;
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}
.btn-ghost:hover {
  border-color: var(--orange);
  color: var(--orange);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 90px 0 80px;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(1000px 600px at 85% -10%, rgba(255,107,26,0.25), transparent 60%),
    radial-gradient(800px 500px at -10% 40%, rgba(255,107,26,0.08), transparent 60%);
  z-index: 0;
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--orange);
  background: rgba(255,107,26,0.08);
  border: 1px solid rgba(255,107,26,0.25);
  padding: 8px 16px;
  border-radius: 999px;
  margin-bottom: 24px;
}
.eyebrow::before {
  content: '';
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 12px var(--orange);
}
.hero h1 .accent { color: var(--orange); }
.hero-lead {
  font-size: 1.15rem;
  color: var(--text-dim);
  margin: 24px 0 36px;
  max-width: 560px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-visual {
  position: relative;
  aspect-ratio: 1;
  max-width: 460px;
  margin-left: auto;
  border-radius: 32px;
  overflow: hidden;
  box-shadow: 0 30px 80px -20px rgba(0,0,0,0.7);
  border: 1px solid var(--line);
  background: var(--bg-1);
}
.hero-visual img { width: 100%; height: 100%; object-fit: contain; padding: 16px; }

/* ===== Section base ===== */
.section {
  padding: 90px 0;
  position: relative;
}
.section-head {
  max-width: 760px;
  margin-bottom: 56px;
}
.section-head .eyebrow { margin-bottom: 18px; }
.section-head p { font-size: 1.1rem; margin-top: 18px; }

/* ===== Stats strip ===== */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 40px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--bg-1), var(--bg-0));
  border-radius: 24px;
}
.stat-num {
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--orange);
  line-height: 1;
  font-family: 'Outfit', sans-serif;
}
.stat-lbl {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 8px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ===== Card grid ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.card {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 32px;
  transition: all .3s ease;
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s ease;
}
.card:hover {
  border-color: rgba(255,107,26,0.4);
  transform: translateY(-4px);
  background: var(--bg-2);
}
.card:hover::before { transform: scaleX(1); }
.card-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: rgba(255,107,26,0.12);
  color: var(--orange);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
  border: 1px solid rgba(255,107,26,0.25);
}
.card h3 { margin-bottom: 12px; }
.card p { font-size: 0.98rem; }

/* ===== Feature image section ===== */
.feature-img {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-1);
}

/* ===== Process timeline ===== */
.process {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
}
.process-step {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 36px 28px;
  position: relative;
}
.step-num {
  position: absolute;
  top: -18px;
  left: 28px;
  background: var(--grad);
  color: #1A1410;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
}
.process-step h3 { color: var(--orange); margin-bottom: 6px; }
.process-step .step-title { color: var(--text); font-weight: 600; margin-bottom: 10px; font-size: 1.05rem; }

/* ===== About ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
}
.about-photo {
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 30px 80px -20px rgba(0,0,0,0.6);
  position: sticky;
  top: 100px;
}
.about-photo img { aspect-ratio: 4/5; object-fit: cover; width: 100%; }
.credentials {
  list-style: none;
  display: grid;
  gap: 14px;
  margin-top: 24px;
}
.credentials li {
  padding: 18px 22px;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  border-radius: 12px;
  color: var(--text);
}
.credentials li strong { color: var(--orange); font-weight: 600; }

/* ===== Services ===== */
.service-card {
  background: linear-gradient(180deg, var(--bg-1), var(--bg-2));
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 36px 32px;
  transition: all .3s ease;
  position: relative;
  overflow: hidden;
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--orange);
  box-shadow: var(--shadow-glow);
}
.service-num {
  font-size: 0.85rem;
  color: var(--orange);
  font-weight: 600;
  letter-spacing: 0.2em;
  margin-bottom: 10px;
}
.service-card h3 { margin-bottom: 14px; font-size: 1.25rem; }

/* ===== KiraZ highlight ===== */
.kiraz-hero {
  background:
    radial-gradient(600px 400px at 20% 30%, rgba(255,107,26,0.18), transparent 60%),
    linear-gradient(180deg, var(--bg-1), var(--bg-0));
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 56px;
  margin-bottom: 56px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items: center;
}

/* ===== Kira launch banner ===== */
.kira-launch {
  position: relative;
  background:
    radial-gradient(700px 400px at 80% 30%, rgba(255,138,61,0.28), transparent 60%),
    radial-gradient(500px 300px at 10% 80%, rgba(255,107,26,0.22), transparent 60%),
    linear-gradient(135deg, #2C1A10 0%, #3E2418 100%);
  border: 1px solid rgba(255,138,61,0.35);
  border-radius: 32px;
  padding: 56px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: center;
  overflow: hidden;
}
.kira-launch::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(800px 400px at 50% 0%, rgba(255,107,26,0.15), transparent 70%);
  pointer-events: none;
}
.kira-launch-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--grad);
  color: #1A1410;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 8px 18px;
  border-radius: 999px;
  margin-bottom: 20px;
  box-shadow: 0 10px 30px -10px rgba(255,107,26,0.55);
}
.kira-launch-tag .pulse {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: #1A1410;
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.4); }
}
.kira-launch h2 {
  font-size: clamp(2.2rem, 4.5vw, 3.5rem);
  margin-bottom: 16px;
}
.kira-launch h2 span { color: var(--orange-bright); }
.kira-launch-img {
  position: relative;
  z-index: 1;
  max-width: 280px;
  margin: 0 auto;
  border-radius: 24px;
  overflow: hidden;
  background: #fff;
  padding: 18px;
  box-shadow: 0 30px 70px -20px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,138,61,0.4);
}
.kira-launch-img img { width: 100%; display: block; object-fit: contain; }

/* ===== Certificate showcase ===== */
.cert-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 40px;
}
.cert-showcase img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
}
.kiraz-hero .letters {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}
.kira-letter {
  width: 58px; height: 58px;
  border-radius: 14px;
  background: var(--grad);
  color: #1A1410;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 1.4rem;
  font-family: 'Outfit', sans-serif;
  box-shadow: 0 10px 30px -10px rgba(255,107,26,0.6);
}
.kiraz-img {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--line);
}

/* ===== CTA ===== */
.cta-band {
  text-align: center;
  padding: 80px 40px;
  background:
    radial-gradient(800px 400px at 50% 0%, rgba(255,107,26,0.25), transparent 60%),
    var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 28px;
  margin: 40px 0;
}
.cta-band h2 { margin-bottom: 16px; }
.cta-band p { max-width: 620px; margin: 0 auto 32px; font-size: 1.1rem; }

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}
.contact-info .info-item {
  padding: 24px;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 16px;
  margin-bottom: 16px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
}
.info-item .icon {
  width: 44px; height: 44px; flex-shrink: 0;
  border-radius: 12px;
  background: rgba(255,107,26,0.12);
  color: var(--orange);
  display: grid; place-items: center;
  font-size: 1.15rem;
}
.info-item small {
  display: block;
  color: var(--text-muted);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.info-item strong { color: var(--text); font-size: 1rem; word-break: break-word; }

form.contact-form {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 36px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 0.88rem;
  color: var(--text-dim);
  margin-bottom: 8px;
  font-weight: 500;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-0);
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.98rem;
  transition: border-color .2s ease;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: 0;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(255,107,26,0.15);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-note {
  background: rgba(255,107,26,0.08);
  border: 1px solid rgba(255,107,26,0.2);
  color: var(--text-dim);
  padding: 14px 18px;
  border-radius: 12px;
  font-size: 0.88rem;
  margin-top: 14px;
}

/* ===== Footer ===== */
.footer {
  background: var(--bg-1);
  border-top: 1px solid var(--line);
  padding: 60px 0 30px;
  margin-top: 60px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.footer-brand img { width: 52px; height: 52px; border-radius: 50%; object-fit: cover; border: 2px solid var(--orange); }
.footer-brand strong { font-size: 1.15rem; display: block; }
.footer-brand small { color: var(--text-muted); font-size: 0.8rem; letter-spacing: 0.08em; }
.footer h4 {
  color: var(--text);
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.footer ul { list-style: none; display: grid; gap: 10px; }
.footer ul a { color: var(--text-dim); font-size: 0.95rem; }
.footer ul a:hover { color: var(--orange); }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 0.88rem;
  flex-wrap: wrap;
  gap: 12px;
}

/* ===== Video embed ===== */
.video-wrap {
  position: relative;
  padding-top: 56.25%; /* 16:9 */
  background: #000;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 30px 70px -20px rgba(0,0,0,0.6);
}
.video-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ===== Speaking topics ===== */
.topics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.topic-card {
  position: relative;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 36px 32px 32px;
  transition: all .3s ease;
  overflow: hidden;
}
.topic-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: var(--grad);
  transform: scaleY(0.3);
  transform-origin: top;
  transition: transform .35s ease;
}
.topic-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,107,26,0.4);
  background: var(--bg-2);
}
.topic-card:hover::before { transform: scaleY(1); }
.topic-num {
  font-family: 'Outfit', sans-serif;
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 14px;
}
.topic-card h3 { font-size: 1.4rem; margin-bottom: 12px; line-height: 1.25; }
.topic-card p { font-size: 0.98rem; }
.topic-tag {
  display: inline-block;
  margin-top: 18px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange);
  background: rgba(255,107,26,0.1);
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,107,26,0.25);
}

.topic-signature {
  grid-column: 1 / -1;
  background:
    radial-gradient(600px 300px at 80% 50%, rgba(255,138,61,0.18), transparent 60%),
    linear-gradient(135deg, var(--bg-2), var(--bg-1));
  border-color: rgba(255,138,61,0.35);
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 36px;
  align-items: center;
  padding: 40px;
}
.topic-signature .topic-num { font-size: 4rem; }
.topic-signature h3 { font-size: 1.7rem; }

/* ===== Animations ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: all .7s cubic-bezier(.2,.7,.2,1);
}
.reveal.visible { opacity: 1; transform: none; }

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .hero-grid,
  .about-grid,
  .kiraz-hero,
  .kira-launch,
  .cert-showcase,
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-photo { position: static; max-width: 360px; }
  .hero-visual { margin: 0 auto; }
  .stats { grid-template-columns: repeat(2, 1fr); padding: 28px; }
  .process { grid-template-columns: 1fr; }
  .kiraz-hero,
  .kira-launch,
  .cert-showcase { padding: 32px; }
  .topics-grid { grid-template-columns: 1fr; }
  .topic-signature { grid-template-columns: 1fr; padding: 32px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .form-row { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .hero { padding: 60px 0; }
}

@media (max-width: 700px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--bg-1);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    padding: 16px 24px;
    gap: 4px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { width: 100%; }
  .nav-toggle { display: block; }
  .nav { position: relative; }
  h1 { font-size: 2rem; }
  .hero-lead { font-size: 1rem; }
  .cta-band { padding: 48px 24px; }
  form.contact-form { padding: 24px; }
}