/* ============================================
   KYROO - Courses & Certifications
   Dark Theme — Ecosystem Design System
   ============================================ */

/* --- CSS Variables (KYROO Ecosystem Palette) --- */
:root {
  --c-bg: #1e0a2e;
  --c-dark: #160720;
  --c-darker: #0d0018;
  --c-purple: #3b0d56;
  --c-purple-light: #5a1a7a;
  --c-orange: #FE6838;
  --c-orange-dark: #d94e20;
  --c-gold: #ffb347;
  --c-white: #ffffff;
  --c-text: rgba(255, 255, 255, 0.88);
  --c-text-muted: rgba(255, 255, 255, 0.55);
  --c-text-dim: rgba(255, 255, 255, 0.35);
  --glass: rgba(255, 255, 255, 0.06);
  --glass-b: rgba(255, 255, 255, 0.12);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-hover: rgba(255, 255, 255, 0.18);
  --font-primary: 'Outfit', sans-serif;
  --transition-default: all 0.3s ease;
  --transition-bounce: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  --shadow-glow-orange: 0 6px 30px rgba(254, 104, 56, 0.35);
  --shadow-glow-orange-hover: 0 12px 40px rgba(254, 104, 56, 0.55);
  --shadow-dark: 0 8px 32px rgba(0, 0, 0, 0.4);
  --max-width: 1200px;
  --header-height: 80px;
  --radius: 16px;
  --radius-pill: 60px;
}

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

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

body {
  font-family: var(--font-primary);
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-default);
}

ul,
ol {
  list-style: none;
}

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

button,
input,
textarea {
  font-family: var(--font-primary);
  border: none;
  outline: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
}

/* --- Background Scene (Bokeh) --- */
.bg-scene {
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 60% at 15% 40%, #4a0a6b 0%, transparent 55%),
    radial-gradient(ellipse 60% 70% at 85% 60%, #5c1020 0%, transparent 55%),
    radial-gradient(ellipse 100% 100% at 50% 50%, #1e0a2e 0%, #0d0018 100%);
}

.bokeh {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.bk {
  position: absolute;
  border-radius: 50%;
  animation: bokehFloat ease-in-out infinite;
}

@keyframes bokehFloat {

  0%,
  100% {
    transform: translateY(0) scale(1);
    opacity: var(--op);
  }

  50% {
    transform: translateY(-30px) scale(1.1);
    opacity: calc(var(--op) * 0.6);
  }
}

/* --- Announcement Bar --- */
.announcement-bar {
  position: relative;
  z-index: 201;
  background: linear-gradient(135deg, var(--c-orange-dark), var(--c-orange));
  padding: 10px 0;
  text-align: center;
}

.announcement-bar p {
  color: var(--c-white);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* --- Header / Navbar --- */
.header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(14, 4, 22, 0.65);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition-default);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 48px;
  width: auto;
  filter: drop-shadow(0 0 12px rgba(254, 104, 56, 0.45));
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-menu a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--c-text-muted);
  position: relative;
  padding-bottom: 4px;
  transition: var(--transition-default);
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-orange), var(--c-gold));
  transition: width 0.3s ease;
  border-radius: 2px;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--c-white);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Platform Buttons (Navbar) */
.btn-platform {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1.3rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-primary);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.3px;
  cursor: pointer;
  transition: var(--transition-bounce);
  text-decoration: none;
  white-space: nowrap;
}

.btn-platform i {
  font-size: 0.85rem;
}

/* Plataforma — Orange CTA */
.btn-plataforma {
  background: linear-gradient(135deg, var(--c-orange-dark), var(--c-orange));
  color: var(--c-white);
  box-shadow: 0 4px 18px rgba(254, 104, 56, 0.35);
  border: none;
}

.btn-plataforma:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 8px 28px rgba(254, 104, 56, 0.55);
}

/* CertiChain — Glass outline with glow */
.btn-certichain {
  background: var(--glass);
  color: var(--c-gold);
  border: 1.5px solid rgba(255, 179, 71, 0.35);
  backdrop-filter: blur(8px);
}

.btn-certichain:hover {
  border-color: var(--c-gold);
  color: var(--c-white);
  background: rgba(255, 179, 71, 0.15);
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 4px 20px rgba(255, 179, 71, 0.25);
}

/* Mobile menu */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
  background: none;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--c-white);
  transition: var(--transition-default);
}

/* --- Hero Section (Split Layout like Ecosystem) --- */
.hero {
  position: relative;
  z-index: 10;
  min-height: 92vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 3rem;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 4rem 40px 3rem;
}

.hero-text {
  animation: fadeLeft 0.9s ease both;
}

@keyframes fadeLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(254, 104, 56, 0.15);
  border: 1px solid rgba(254, 104, 56, 0.4);
  border-radius: 50px;
  padding: 0.35rem 1rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--c-gold);
  letter-spacing: 1.2px;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-orange);
  animation: pulse 1.5s ease infinite;
}

@keyframes pulse {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.6);
    opacity: 0.5;
  }
}

.hero-text h1 {
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -1.5px;
  margin-bottom: 1.4rem;
}

.hero-text h1 .white {
  color: #fff;
  display: block;
}

.hero-text h1 .gradient {
  display: block;
  background: linear-gradient(135deg, var(--c-orange) 0%, var(--c-gold) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 24px rgba(254, 104, 56, 0.5));
}

.hero-text p.hero-sub {
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--c-text-muted);
  line-height: 1.75;
  max-width: 500px;
  margin-bottom: 2.5rem;
}

.hero-buttons {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* CTA Button (Primary) */
.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1rem 2.4rem;
  background: linear-gradient(135deg, var(--c-orange-dark), var(--c-orange));
  color: #fff;
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-glow-orange);
  transition: var(--transition-bounce);
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn-cta:hover {
  transform: translateY(-3px) scale(1.04);
  box-shadow: var(--shadow-glow-orange-hover);
}

.btn-cta .arrow {
  transition: transform 0.3s;
}

.btn-cta:hover .arrow {
  transform: translateX(5px);
}

/* Ghost Button */
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  background: var(--glass);
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  color: var(--c-text-muted);
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-pill);
  backdrop-filter: blur(8px);
  transition: var(--transition-default);
  cursor: pointer;
}

.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.45);
  color: #fff;
  background: var(--glass-b);
}

/* Hero Image */
.hero-img-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  animation: fadeRight 0.9s ease 0.15s both;
}

@keyframes fadeRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.hero-img-wrap::before {
  content: '';
  position: absolute;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(254, 104, 56, 0.18) 0%, transparent 70%);
  animation: glowPulse 4s ease-in-out infinite;
  z-index: 0;
}

@keyframes glowPulse {

  0%,
  100% {
    transform: scale(1);
    opacity: 0.8;
  }

  50% {
    transform: scale(1.15);
    opacity: 1;
  }
}

.hero-img-wrap img {
  position: relative;
  z-index: 1;
  max-width: 100%;
  width: 420px;
  filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.6)) drop-shadow(0 0 40px rgba(254, 104, 56, 0.25));
  animation: floatImg 6s ease-in-out infinite;
}

@keyframes floatImg {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-18px);
  }
}

/* --- About / Welcome Section --- */
.about {
  position: relative;
  z-index: 10;
  padding: 100px 0;
}

.about .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text h3 {
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--c-white);
  line-height: 1.15;
  margin-bottom: 8px;
}

.about-text h3 span {
  background: linear-gradient(135deg, var(--c-orange), var(--c-gold));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: block;
}

.about-text p {
  font-size: 1rem;
  color: var(--c-text-muted);
  line-height: 1.8;
  margin-top: 24px;
  margin-bottom: 40px;
  max-width: 480px;
}

.btn-outline {
  display: inline-block;
  padding: 14px 36px;
  border: 1.5px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-pill);
  color: var(--c-text);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-default);
  background: transparent;
}

.btn-outline:hover {
  border-color: var(--c-orange);
  color: var(--c-orange);
  box-shadow: 0 0 20px rgba(254, 104, 56, 0.25);
}

.about-visual {
  position: relative;
}

.about-image {
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: 450px;
  object-fit: cover;
  border-radius: var(--radius);
}

.stats-overlay {
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--c-orange-dark), var(--c-orange));
  border-radius: var(--radius);
  padding: 28px 48px;
  display: flex;
  gap: 60px;
  z-index: 2;
  box-shadow: var(--shadow-glow-orange);
  min-width: 380px;
}

.stat-item {
  text-align: left;
}

.stat-item .stat-number {
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--c-white);
  line-height: 1;
}

.stat-item .stat-label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.8);
  margin-top: 6px;
  font-weight: 400;
}

/* --- Testimonial Section --- */
.testimonial {
  position: relative;
  z-index: 10;
  padding: 80px 0;
  background: rgba(59, 13, 86, 0.4);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
  text-align: center;
}

.testimonial-content {
  max-width: 700px;
  margin: 0 auto;
}

.testimonial-quote {
  font-size: 1.15rem;
  color: var(--c-text);
  line-height: 1.8;
  font-style: italic;
  margin-bottom: 30px;
  opacity: 0.9;
}

.testimonial-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 10px;
  border: 2px solid rgba(254, 104, 56, 0.5);
  box-shadow: 0 0 20px rgba(254, 104, 56, 0.2);
}

.testimonial-name {
  font-size: 0.95rem;
  color: var(--c-white);
  font-weight: 600;
}

.testimonial-stars {
  color: var(--c-gold);
  font-size: 0.95rem;
  margin-top: 6px;
  letter-spacing: 3px;
}

/* --- Contact Section --- */
.contact {
  position: relative;
  z-index: 10;
  padding: 100px 0;
}

.contact .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: flex-start;
}

.contact-info h2 {
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--c-white);
  line-height: 1.15;
  margin-bottom: 16px;
}

.contact-info>p {
  font-size: 1rem;
  color: var(--c-text-muted);
  line-height: 1.7;
  margin-bottom: 40px;
}

.contact-detail {
  margin-bottom: 20px;
}

.contact-detail h6 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--c-gold);
  margin-bottom: 6px;
}

.contact-detail p,
.contact-detail a {
  font-size: 0.95rem;
  color: var(--c-text-muted);
}

.contact-detail a:hover {
  color: var(--c-orange);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 36px;
  backdrop-filter: blur(12px);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--c-text-muted);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  font-size: 0.95rem;
  color: var(--c-white);
  background: rgba(255, 255, 255, 0.04);
  transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--c-text-dim);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: #FE6838;
  box-shadow: 0 0 0 3px rgba(254, 104, 56, 0.15), 0 0 30px rgba(254, 104, 56, 0.25), inset 0 0 15px rgba(254, 104, 56, 0.08);
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.btn-gold {
  display: inline-block;
  padding: 14px 36px;
  background: linear-gradient(135deg, var(--c-orange-dark), var(--c-orange));
  color: var(--c-white);
  border-radius: var(--radius-pill);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-bounce);
  border: none;
  align-self: flex-start;
  letter-spacing: 0.5px;
  box-shadow: var(--shadow-glow-orange);
}

.btn-gold:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: var(--shadow-glow-orange-hover);
}

/* --- Footer --- */
.footer {
  position: relative;
  z-index: 10;
  background: var(--c-dark);
  padding: 60px 0 30px;
  color: var(--c-white);
  border-top: 1px solid var(--glass-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 50px;
}

.footer-col h5 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-col p {
  font-size: 0.9rem;
  color: var(--c-text-muted);
  line-height: 1.7;
}

.social-links {
  display: flex;
  gap: 14px;
  margin-top: 20px;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: var(--c-text-muted);
  font-size: 1rem;
  transition: var(--transition-default);
}

.social-links a:hover {
  background: var(--c-orange);
  border-color: var(--c-orange);
  color: var(--c-white);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(254, 104, 56, 0.3);
}

.footer-col .footer-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 700;
  color: var(--c-text-dim);
  margin-bottom: 10px;
}

.footer-col .footer-value {
  font-size: 0.9rem;
  color: var(--c-text-muted);
  margin-bottom: 4px;
}

.footer-col .footer-value a {
  color: var(--c-text-muted);
}

.footer-col .footer-value a:hover {
  color: var(--c-orange);
}

.footer-newsletter {
  margin-top: 20px;
}

.footer-newsletter .newsletter-label {
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 10px;
  color: var(--c-text-muted);
}

.footer-newsletter form {
  display: flex;
  gap: 8px;
}

.footer-newsletter input {
  flex: 1;
  padding: 12px 16px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  color: var(--c-white);
  font-size: 0.85rem;
}

.footer-newsletter input::placeholder {
  color: var(--c-text-dim);
}

.footer-newsletter button {
  padding: 12px 24px;
  background: linear-gradient(135deg, var(--c-orange-dark), var(--c-orange));
  color: var(--c-white);
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-bounce);
  box-shadow: 0 4px 16px rgba(254, 104, 56, 0.25);
}

.footer-newsletter button:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(254, 104, 56, 0.4);
}

.footer-bottom {
  border-top: 1px solid var(--glass-border);
  padding-top: 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--c-text-dim);
}

/* --- Page Header (inner pages) --- */
.page-header {
  position: relative;
  z-index: 10;
  padding: 80px 0 60px;
  text-align: center;
  background: rgba(59, 13, 86, 0.25);
  border-bottom: 1px solid var(--glass-border);
}

.page-header h1 {
  font-size: 3rem;
  font-weight: 700;
  color: var(--c-white);
  margin-bottom: 12px;
}

.page-header p {
  font-size: 1.05rem;
  color: var(--c-text-muted);
}

/* --- Courses Grid --- */
.courses-section {
  position: relative;
  z-index: 10;
  padding: 80px 0;
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.course-card {
  background: var(--glass);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  transition: var(--transition-default);
  backdrop-filter: blur(8px);
}

.course-card:hover {
  transform: translateY(-6px);
  border-color: rgba(254, 104, 56, 0.3);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3), 0 0 30px rgba(254, 104, 56, 0.1);
}

.course-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.course-card-body {
  padding: 24px;
}

.course-card-body h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--c-white);
  margin-bottom: 10px;
}

.course-card-body p {
  font-size: 0.88rem;
  color: var(--c-text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.course-price {
  font-size: 1.4rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--c-orange), var(--c-gold));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.course-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 16px;
}

.btn-small {
  padding: 10px 22px;
  font-size: 0.85rem;
}

/* --- Certificates Section --- */
.certificates-section {
  position: relative;
  z-index: 10;
  padding: 80px 0;
}

.certificate-info {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.certificate-info p {
  font-size: 1.05rem;
  color: var(--c-text-muted);
  line-height: 1.8;
  margin-bottom: 20px;
}

/* --- Info Page --- */
.info-section {
  position: relative;
  z-index: 10;
  padding: 80px 0;
}

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.info-text h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--c-white);
  margin-bottom: 16px;
}

.info-text p {
  font-size: 1rem;
  color: var(--c-text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
}

/* --- Animations --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards;
}

.animate-in.delay-1 {
  animation-delay: 0.1s;
}

.animate-in.delay-2 {
  animation-delay: 0.2s;
}

.animate-in.delay-3 {
  animation-delay: 0.3s;
}

.animate-in.delay-4 {
  animation-delay: 0.4s;
}

/* --- Form Shake Animation --- */
@keyframes contactShake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
  20%, 40%, 60%, 80% { transform: translateX(5px); }
}

/* --- Responsive --- */
@media (max-width: 992px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    min-height: auto;
    padding-top: 3rem;
  }

  .hero-text {
    order: 2;
  }

  .hero-img-wrap {
    order: 1;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-sub {
    margin: 0 auto 2.5rem;
  }

  .hero-badge {
    margin: 0 auto 1.5rem;
    display: flex;
    width: fit-content;
  }

  .about .container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-visual {
    order: -1;
  }

  .stats-overlay {
    position: relative;
    bottom: auto;
    left: auto;
    transform: none;
    margin-top: -40px;
    margin-left: auto;
    margin-right: auto;
  }

  .contact .container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .courses-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .info-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }

  .container {
    padding: 0 20px;
  }

  .nav-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(14, 4, 22, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 30px;
    z-index: 999;
  }

  .nav-menu.active {
    display: flex;
  }

  .nav-menu a {
    font-size: 1.3rem;
    color: var(--c-text);
  }

  .btn-platform {
    display: inline-flex;
    padding: 0.4rem 0.8rem;
    font-size: 0.75rem;
    gap: 0.3rem;
  }

  .btn-platform i {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hero-text h1 {
    font-size: 2.2rem;
  }

  .hero-img-wrap img {
    width: 280px;
  }

  .about-text h3 {
    font-size: 2rem;
  }

  .contact-info h2 {
    font-size: 2rem;
  }

  .courses-grid {
    grid-template-columns: 1fr;
  }

  .page-header h1 {
    font-size: 2.2rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .contact-form {
    padding: 24px;
  }
}