/* ==========================================================================
   INSTITUTO DE MÚSICOS DE GRAMADO — PREMIUM DESIGN SYSTEM (V5 PLATINUM BLUE)
   ========================================================================== */

/* ── VARIABLE SYSTEM ── */
:root {
  /* Color Palette - Platinum & Deep Blue */
  --bg-main: #070b12;
  --bg-secondary: #0c121e;
  --bg-card: rgba(15, 23, 42, 0.75);
  --bg-glass: rgba(12, 18, 30, 0.5);
  
  --accent-platinum: #e2e8f0;
  --accent-platinum-hover: #ffffff;
  --accent-gold: #c5a059; /* Copper/Gold Accent */
  --accent-gold-hover: #dfb974;
  --accent-blue-glow: rgba(99, 102, 241, 0.1);
  
  --accent-slate: #1e293b;
  --accent-slate-light: #334155;
  --accent-slate-dark: #0f172a;
  
  /* Text Colors */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-dark: #0f172a;
  
  /* Borders and Glass */
  --border-light: rgba(226, 232, 240, 0.08);
  --border-gold: rgba(197, 160, 89, 0.25);
  --border-gold-focus: rgba(197, 160, 89, 0.5);
  --glass-shadow: 0 10px 35px 0 rgba(0, 0, 0, 0.5);
  
  /* Spacing & Utilities */
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --radius-lg: 12px;
  --radius-md: 8px;
  --radius-sm: 4px;
}

/* ── RESET & BASE ── */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

body {
  position: relative;
  background-color: var(--bg-main);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── SOUNDWAVE CANVAS BACKGROUND ── */
#soundwave-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(circle at 50% 50%, #0d1624 0%, var(--bg-main) 80%);
}

/* ── UTILITIES & CONTAINER ── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

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

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

section {
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

/* Tags & Titles */
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(197, 160, 89, 0.08);
  border: 1px solid var(--border-gold);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent-gold-hover);
  margin-bottom: 24px;
  font-weight: 600;
  animation: pulseGlow 3s infinite;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-gold);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  margin-bottom: 12px;
}

.section-tag::before {
  content: '';
  width: 20px;
  height: 1px;
  background-color: var(--accent-gold);
  display: inline-block;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4.5vw, 44px);
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
}

.section-title em {
  font-style: italic;
  font-weight: 400;
  color: var(--text-primary);
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 600px;
  font-weight: 300;
}

.section-header-center {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 60px;
}

.section-header-center .section-tag::before {
  display: none;
}

/* Buttons */
.btn-primary {
  background-color: var(--accent-gold);
  color: var(--bg-main);
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--accent-gold);
  box-shadow: 0 4px 15px rgba(197, 160, 89, 0.25);
  cursor: pointer;
}

.btn-primary:hover {
  background-color: var(--accent-gold-hover);
  border-color: var(--accent-gold-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(197, 160, 89, 0.4);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--border-light);
  cursor: pointer;
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

/* ── HEADER / NAVIGATION ── */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 100;
  background-color: transparent;
  border-bottom: 1px solid transparent;
  transition: var(--transition-smooth);
}

.main-header.scrolled {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
  padding: 12px 0;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  transition: var(--transition-smooth);
}

.main-header.scrolled .header-container {
  padding: 8px 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 102;
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--accent-slate-light) 0%, var(--accent-slate-dark) 100%);
  border: 1px solid var(--border-light);
  color: var(--accent-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 1.5px;
  line-height: 1.1;
  color: var(--text-primary);
}

.logo-subtitle {
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--text-secondary);
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
  transition: var(--transition-smooth);
}

.nav-link {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background-color: var(--accent-gold);
  transition: var(--transition-smooth);
}

.nav-link:hover::after {
  width: 100%;
}

.btn-nav-cta {
  background-color: rgba(197, 160, 89, 0.1);
  color: var(--accent-gold-hover);
  border: 1px solid var(--border-gold);
  padding: 8px 18px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.btn-nav-cta:hover {
  background-color: var(--accent-gold);
  color: var(--bg-main);
  border-color: var(--accent-gold);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(197, 160, 89, 0.2);
}

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

/* Version dropdown switcher */
.version-dropdown {
  position: relative;
  display: inline-block;
  z-index: 102;
}

.btn-version {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  padding: 8px 14px;
  border-radius: 4px;
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-smooth);
}

.btn-version:hover {
  border-color: var(--border-gold);
  background: rgba(255, 255, 255, 0.05);
}

.dropdown-content {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-light);
  min-width: 210px;
  box-shadow: var(--glass-shadow);
  border-radius: 6px;
  z-index: 105;
  overflow: hidden;
  backdrop-filter: blur(12px);
}

.dropdown-content.show {
  display: block;
  animation: slideDownFade 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.dropdown-content a {
  color: var(--text-secondary);
  padding: 11px 16px;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  font-weight: 500;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.dropdown-content a:last-child {
  border-bottom: none;
}

.dropdown-content a:hover {
  background-color: rgba(197, 160, 89, 0.07);
  color: var(--text-primary);
}

.dropdown-content a.active {
  color: var(--accent-gold-hover);
  background-color: rgba(197, 160, 89, 0.04);
}

.dot-active {
  width: 6px;
  height: 6px;
  background-color: var(--accent-gold);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px var(--accent-gold);
}

/* Mobile Toggle Hamburger */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 22px;
  height: 16px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 105;
}

.mobile-toggle .bar {
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition-smooth);
}

/* ── HERO SECTION ── */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 100px 0;
  position: relative;
}

.hero-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-blue-glow) 0%, transparent 60%);
  top: 15%;
  right: -5%;
  z-index: 1;
  pointer-events: none;
}

.hero-content {
  max-width: 800px;
}

.hero-section h1 {
  font-family: var(--font-serif);
  font-size: clamp(38px, 6.5vw, 68px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

.hero-section h1 em {
  font-style: italic;
  font-weight: 400;
  color: var(--accent-gold-hover);
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: clamp(15px, 2.5vw, 17px);
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 620px;
  margin-bottom: 40px;
  font-weight: 300;
}

.hero-actions {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

/* Countdown Container */
.countdown-container {
  background: var(--bg-glass);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 24px 32px;
  max-width: 550px;
  box-shadow: var(--glass-shadow);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.countdown-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-secondary);
  margin-bottom: 12px;
  font-weight: 500;
}

.countdown-grid {
  display: flex;
  align-items: center;
  gap: 16px;
}

.countdown-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 60px;
}

.countdown-item .num {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 700;
  color: var(--accent-gold);
  line-height: 1;
}

.countdown-item .label {
  font-size: 10px;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-top: 4px;
  letter-spacing: 0.5px;
}

.countdown-item-colon {
  font-family: var(--font-serif);
  font-size: 24px;
  color: var(--border-gold);
  font-weight: 700;
  line-height: 1;
  padding-bottom: 12px;
}

/* ── ABOUT / INTRODUCTION SECTION ── */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: center;
}

.about-image-wrapper {
  position: relative;
}

.about-img {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.5);
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.about-experience-badge {
  position: absolute;
  bottom: -24px;
  right: -24px;
  background: linear-gradient(135deg, var(--accent-slate) 0%, var(--accent-slate-dark) 100%);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  color: var(--text-primary);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  gap: 16px;
}

.about-experience-badge .badge-num {
  font-family: var(--font-serif);
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  color: var(--accent-gold);
}

.about-experience-badge .badge-txt {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-primary);
}

.about-info {
  display: flex;
  flex-direction: column;
}

.about-info h2 {
  margin-bottom: 20px;
}

.about-info .section-text {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
  font-weight: 300;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.feature-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.feature-icon {
  width: 44px;
  height: 44px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-gold);
  font-size: 16px;
  flex-shrink: 0;
}

.feature-text h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.feature-text p {
  font-size: 13.5px;
  color: var(--text-secondary);
  font-weight: 300;
  line-height: 1.5;
}

/* ── COURSES SECTION ── */
.courses-section {
  background: linear-gradient(180deg, transparent 0%, rgba(15, 23, 42, 0.4) 50%, transparent 100%);
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.course-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  transition: var(--transition-smooth);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(5px);
}

.course-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background-color: transparent;
  transition: var(--transition-smooth);
}

.course-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-gold);
  box-shadow: 0 12px 30px rgba(197, 160, 89, 0.08);
}

.course-card:hover::before {
  background-color: var(--accent-gold);
}

.course-icon {
  width: 52px;
  height: 52px;
  background: rgba(197, 160, 89, 0.05);
  border: 1px solid rgba(197, 160, 89, 0.15);
  color: var(--accent-gold);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 24px;
  transition: var(--transition-smooth);
}

.course-card:hover .course-icon {
  background: var(--accent-gold);
  color: var(--bg-main);
  border-color: var(--accent-gold);
  box-shadow: 0 4px 12px rgba(197, 160, 89, 0.3);
}

.course-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.course-card p {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
  font-weight: 300;
}

.course-meta {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent-gold);
  font-weight: 600;
  background-color: rgba(197, 160, 89, 0.07);
  padding: 4px 10px;
  border-radius: 20px;
}

/* ── DIFFERENTIALS SECTION ── */
.differentials-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.differentials-content .section-title {
  margin-bottom: 20px;
}

.differentials-content .section-text {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 40px;
  font-weight: 300;
}

.diff-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.diff-list-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.diff-num {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 700;
  color: var(--accent-gold);
  line-height: 1;
  background: linear-gradient(135deg, var(--accent-gold) 0%, rgba(197,160,89,0.2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.diff-list-item h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.diff-list-item p {
  font-size: 13.5px;
  color: var(--text-secondary);
  font-weight: 300;
  line-height: 1.5;
}

.differentials-image-wrapper {
  position: relative;
}

.diff-img {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.5);
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.differentials-glass-box {
  position: absolute;
  bottom: 30px;
  left: 30px;
  right: 30px;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-light);
  padding: 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--glass-shadow);
}

.differentials-glass-box i {
  color: var(--accent-gold);
  font-size: 20px;
  margin-bottom: 12px;
  display: block;
}

.differentials-glass-box p {
  font-size: 13.5px;
  font-style: italic;
  line-height: 1.5;
  color: var(--text-primary);
  margin-bottom: 10px;
  font-weight: 300;
}

.quote-author {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent-gold);
  font-weight: 500;
  display: block;
}

/* ── PRE-REGISTRATION / FORM SECTION ── */
.registration-section {
  background: radial-gradient(circle at 50% 100%, rgba(99, 102, 241, 0.08) 0%, transparent 60%);
}

.form-max-width {
  max-width: 800px;
}

.form-container {
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  box-shadow: 0 15px 45px rgba(0,0,0,0.5), 0 0 40px rgba(197, 160, 89, 0.05);
  border-radius: var(--radius-lg);
  padding: 48px;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.form-header {
  text-align: center;
  margin-bottom: 36px;
}

.form-header-icon {
  font-size: 36px;
  color: var(--accent-gold);
  margin-bottom: 16px;
}

.form-header h2 {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
}

.form-header p {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 300;
  max-width: 500px;
  margin: 0 auto;
}

.interest-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: var(--transition-smooth);
}

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

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

.form-group label {
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
  font-weight: 500;
}

.form-group input, 
.form-group textarea, 
.form-group select {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-family: var(--font-sans);
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: var(--transition-smooth);
  width: 100%;
}

.form-group input:focus, 
.form-group textarea:focus, 
.form-group select:focus {
  border-color: var(--accent-gold);
  background: rgba(0, 0, 0, 0.5);
  box-shadow: 0 0 10px rgba(197, 160, 89, 0.15);
}

.form-group select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.btn-submit {
  background: var(--accent-gold);
  color: var(--bg-main);
  border: 1px solid var(--accent-gold);
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: var(--transition-smooth);
  margin-top: 10px;
}

.btn-submit:hover {
  background: var(--accent-gold-hover);
  border-color: var(--accent-gold-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(197, 160, 89, 0.3);
}

/* Success Overlay */
.form-success-message {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background-color: var(--bg-secondary);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px;
  z-index: 5;
}

.form-success-message.show {
  display: flex;
  animation: fadeIn 0.35s ease;
}

.success-icon {
  font-size: 52px;
  color: #3e8e41;
  margin-bottom: 20px;
  animation: scaleUp 0.3s ease;
}

.form-success-message h3 {
  font-family: var(--font-serif);
  font-size: 26px;
  margin-bottom: 12px;
}

.form-success-message p {
  color: var(--text-secondary);
  font-size: 14px;
  max-width: 420px;
  line-height: 1.6;
  margin-bottom: 28px;
}

.btn-success-close {
  background-color: transparent;
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
}

.btn-success-close:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

/* ── FOOTER ── */
.main-footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-light);
  padding: 70px 0 0 0;
  position: relative;
  z-index: 2;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.8fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
  max-width: 320px;
  font-weight: 300;
}

.footer-socials {
  display: flex;
  gap: 12px;
}

.footer-socials a {
  width: 36px;
  height: 36px;
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 14px;
}

.footer-socials a:hover {
  background-color: var(--accent-gold);
  color: var(--bg-main);
  border-color: var(--accent-gold);
  transform: translateY(-2px);
}

.footer-col h4 {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent-gold);
  margin-bottom: 20px;
  font-weight: 600;
}

.footer-col a {
  display: block;
  font-size: 13.5px;
  color: var(--text-secondary);
  margin-bottom: 10px;
  font-weight: 300;
}

.footer-col a:hover {
  color: var(--text-primary);
  transform: translateX(4px);
}

.footer-col p {
  font-size: 13.5px;
  color: var(--text-secondary);
  margin-bottom: 12px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-weight: 300;
  line-height: 1.5;
}

.footer-col p i {
  color: var(--accent-gold);
  font-size: 14px;
  margin-top: 3px;
}

.footer-bottom {
  border-top: 1px solid var(--border-light);
  padding: 24px 0;
}

.footer-bottom-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copy {
  font-size: 12px;
  color: var(--text-secondary);
}

.footer-legal a {
  font-size: 12px;
  color: var(--text-secondary);
  margin-left: 20px;
}

.footer-legal a:hover {
  color: var(--text-primary);
}

/* ── ANIMATIONS ── */
@keyframes pulseGlow {
  0% {
    box-shadow: 0 0 0 0 rgba(197, 160, 89, 0.2);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(197, 160, 89, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(197, 160, 89, 0);
  }
}

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

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleUp {
  from {
    opacity: 0;
    transform: scale(0.85);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ── RESPONSIVE DESIGN ── */
@media (max-width: 1024px) {
  section {
    padding: 70px 0;
  }
  
  .about-grid, 
  .differentials-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .about-image-wrapper, 
  .differentials-image-wrapper {
    max-width: 500px;
    margin: 0 auto;
  }
  
  .footer-grid {
    grid-template-columns: 1.5fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  /* Navigation Menu */
  .mobile-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 70px;
    right: -100%;
    width: 280px;
    height: calc(100vh - 70px);
    background-color: var(--bg-secondary);
    border-left: 1px solid var(--border-light);
    flex-direction: column;
    align-items: flex-start;
    padding: 32px;
    gap: 24px;
    backdrop-filter: blur(10px);
    box-shadow: var(--glass-shadow);
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .mobile-toggle.active .bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  
  .mobile-toggle.active .bar:nth-child(2) {
    opacity: 0;
  }
  
  .mobile-toggle.active .bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
  
  .btn-nav-cta {
    width: 100%;
    text-align: center;
  }
  
  /* Hero */
  .hero-section {
    padding-top: 110px;
  }
  
  .countdown-container {
    padding: 16px 20px;
  }
  
  .countdown-grid {
    gap: 8px;
  }
  
  .countdown-item {
    min-width: 48px;
  }
  
  .countdown-item .num {
    font-size: 24px;
  }
  
  /* Form */
  .form-container {
    padding: 32px 20px;
  }
  
  .form-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom-container {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .footer-legal a {
    margin: 0 10px;
  }
  
  .about-experience-badge {
    padding: 12px 16px;
    bottom: -16px;
    right: -16px;
    gap: 10px;
  }
  
  .about-experience-badge .badge-num {
    font-size: 28px;
  }
  
  .countdown-item-colon {
    font-size: 18px;
  }
}