/* ===== TOKENS ===== */
:root {
  --navy: #0E1C36;
  --black: #070B18;
  --white: #ffffff;
  --off-white: #F4F7FB;
  --blue: #3098D9;
  --cyan: #38E0F2;
  --green: #0BD99E;
  --coral: #F25252;
  --yellow: #FFD115;
  --yellow-dark: #FFAE00;
  --gradient-yellow: linear-gradient(135deg, var(--yellow), var(--yellow-dark));
  
  --font-head: 'Fredoka', 'Outfit', sans-serif;
  --font-mono: 'Space Mono', monospace;
  --font-body: 'Sora', sans-serif;
  
  --radius: 1.5rem;
  --radius-lg: 2.5rem;
  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --shadow-3d: 0 8px 0 rgba(0,0,0,0.15);
  --shadow-3d-hover: 0 4px 0 rgba(0,0,0,0.15);
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body { font-family: var(--font-body); background: var(--off-white); color: var(--navy); overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

/* ===== BUTTONS (3D PLAYFUL) ===== */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 1rem 2rem; border-radius: 3rem; font-family: var(--font-head);
  font-weight: 700; font-size: 1.1rem; cursor: pointer; border: none;
  transition: transform 0.2s, box-shadow 0.2s, background var(--transition);
}
.btn-3d {
  transform: translateY(-4px);
}
.btn-3d:active {
  transform: translateY(0);
}
.btn-yellow { 
  background: var(--gradient-yellow); color: var(--navy); 
  box-shadow: 0 8px 0 #D69000, 0 15px 20px rgba(255,209,21,0.4); 
}
.btn-yellow:hover { 
  background: linear-gradient(135deg, #FFE055, #FFC100); 
}
.btn-yellow:active {
  box-shadow: 0 0px 0 #D69000, 0 5px 10px rgba(255,209,21,0.4);
}
.btn-outline-blue { 
  background: var(--white); color: var(--blue); border: 3px solid var(--blue); 
  box-shadow: 0 6px 0 var(--blue); transform: translateY(-4px);
}
.btn-outline-blue:hover { background: #f0f8ff; }
.btn-outline-blue:active { box-shadow: 0 0 0 var(--blue); transform: translateY(0); }
.btn-full { width: 100%; justify-content: center; font-size: 1.15rem; padding: 1.2rem 2rem; }
.btn-sm { padding: 0.8rem 1.6rem; font-size: 1rem; }
.btn-arrow .arrow-icon { width: 24px; height: 24px; transition: transform var(--transition); }
.btn-arrow:hover .arrow-icon { transform: translateX(6px); }

/* ===== SECTION LABELS ===== */
.section-label {
  font-family: var(--font-head); font-size: 1.2rem; font-weight: 700;
  color: var(--blue); text-transform: uppercase; margin-bottom: 0.75rem;
  display: inline-block; padding: 0.4rem 1.2rem; background: rgba(48,152,217,0.1);
  border-radius: 2rem; border: 2px dashed rgba(48,152,217,0.3);
}
.section-headline {
  font-family: var(--font-head); font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800; line-height: 1.15; margin-bottom: 1.5rem; color: var(--navy);
  letter-spacing: -0.02em;
}
.section-headline em { font-style: normal; color: var(--coral); position: relative; display: inline-block; }
.section-headline em::after { content: ''; position: absolute; bottom: 5px; left: 0; width: 100%; height: 6px; background: rgba(242,82,82,0.3); z-index: -1; transform: rotate(-2deg); }
.section-headline strong { color: var(--blue); }
.section-sub-light { color: #555; font-size: 1.15rem; line-height: 1.7; max-width: 700px; margin-bottom: 3rem; }

/* Text Gradient */
.text-gradient {
  background: var(--gradient-yellow);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== FLOATING ANIMATION ===== */
@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(3deg); }
}
.floating { animation: float 4s ease-in-out infinite; }

/* Hero image — straight float, no tilt */
@keyframes floatStraight {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-18px); }
}
#hero-img { animation: floatStraight 4s ease-in-out infinite !important; }

/* ===== 3D CARDS ===== */
.card-3d {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 4px solid var(--navy);
  box-shadow: 8px 8px 0 var(--navy);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card-3d:hover {
  transform: translate(-4px, -4px);
  box-shadow: 12px 12px 0 var(--navy);
}

/* ===== REVEAL ON SCROLL ===== */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-right { opacity: 0; transform: translateX(40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-right.visible { opacity: 1; transform: translateX(0); }

/* ===== FLOATING WHATSAPP ===== */
#whatsapp-fab {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 999;
  width: 64px; height: 64px; border-radius: 50%; border: 3px solid var(--white);
  box-shadow: 0 8px 25px rgba(37,211,102,0.5), 0 4px 0 rgba(0,0,0,0.1);
  transition: transform var(--transition);
  background: #25D366; display: flex; align-items: center; justify-content: center;
}
#whatsapp-fab:hover { transform: scale(1.1) rotate(5deg); }
#whatsapp-fab svg { width: 60%; height: 60%; }

/* ===== NAVBAR ===== */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 900;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
  padding: 1rem 0;
}
#navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.05);
  padding: 0.5rem 0;
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0.5rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between; gap: 2rem;
}
.nav-logo img { height: 50px; width: auto; transition: opacity 0.3s; }
.nav-logo .logo-dark { display: none; }
#navbar.scrolled .nav-logo .logo-white { display: none; }
#navbar.scrolled .nav-logo .logo-dark { display: block; }

.nav-links { display: flex; gap: 2.5rem; margin-left: auto; }
.nav-links a {
  font-family: var(--font-head); font-weight: 700; font-size: 1.1rem;
  color: var(--white); transition: color var(--transition);
  position: relative;
}
#navbar.scrolled .nav-links a { color: var(--navy); }
.nav-links a::after {
  content: ''; position: absolute; bottom: -5px; left: 0; width: 0; height: 3px;
  background: var(--gradient-yellow); transition: width 0.3s; border-radius: 2px;
}
.nav-links a:hover::after { width: 100%; }

.nav-cta { margin-left: 1rem; padding: 0.8rem 1.6rem; font-size: 1rem; }
.nav-hamburger { display: none; flex-direction: column; gap: 6px; background: none; border: none; cursor: pointer; padding: 4px; z-index: 1001; }
.nav-hamburger span { display: block; width: 30px; height: 3px; background: var(--white); border-radius: 3px; transition: all 0.3s ease-in-out; }
#navbar.scrolled .nav-hamburger span { background: var(--navy); }
.nav-hamburger.open span:nth-child(1) { transform: translateY(9px) rotate(45deg); background: var(--navy); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); background: var(--navy); }

.nav-mobile { display: none; flex-direction: column; gap: 1.5rem; padding: 2rem; background: var(--white); border-bottom: 4px solid var(--navy); position: absolute; top: 100%; left: 0; width: 100%; box-shadow: 0 10px 20px rgba(0,0,0,0.1); }
.nav-mobile a { font-family: var(--font-head); font-weight: 700; font-size: 1.2rem; color: var(--navy); text-align: center; }
.nav-mobile.open { display: flex; }

/* ===== SECTION 1: HERO (DARK) ===== */
#hero {
  min-height: 100vh; display: flex; align-items: center;
  background: var(--navy); position: relative; overflow: hidden;
  padding-top: 120px; padding-bottom: 6rem; color: var(--white);
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 2px, transparent 2px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 2px, transparent 2px);
  background-size: 80px 80px;
  animation: gridDrift 20s linear infinite;
}
@keyframes gridDrift { 0%{background-position:0 0;} 100%{background-position:80px 80px;} }

.doodle { position: absolute; animation: float 6s ease-in-out infinite; }
.doodle-star { width: 80px; top: 15%; left: 10%; animation-delay: 0s; }
.doodle-circle { width: 100px; bottom: 20%; left: 5%; animation-delay: 1s; }
.doodle-zigzag { width: 150px; top: 25%; right: 5%; animation-delay: 2s; }
.doodle-spiral { width: 90px; bottom: 15%; right: 10%; animation-delay: 3s; }

.hero-blob { position: absolute; filter: blur(60px); opacity: 0.4; border-radius: 50%; z-index: 0; }
.blob-1 { width: 400px; height: 400px; background: var(--cyan); top: -100px; right: -100px; }
.blob-2 { width: 300px; height: 300px; background: var(--blue); bottom: -50px; left: -50px; }

.hero-inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem;
  align-items: center; position: relative; z-index: 1;
  padding-top: 2rem; padding-bottom: 4rem;
}
.hero-copy { display: flex; flex-direction: column; gap: 1.5rem; }
.hero-tag {
  font-family: var(--font-head); font-size: 0.9rem; font-weight: 700;
  color: var(--navy); background: var(--cyan); padding: 0.5rem 1.2rem;
  border-radius: 2rem; display: inline-block; width: max-content;
  box-shadow: 3px 3px 0 rgba(255,255,255,0.2);
}
.hero-headline {
  font-family: var(--font-head); font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 900; line-height: 1.05; color: var(--white);
  text-shadow: 4px 4px 0 rgba(0,0,0,0.3);
}
.hero-headline .highlight {
  background: var(--gradient-yellow);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
  filter: drop-shadow(3px 3px 0 rgba(214,144,0,0.5));
}
.hero-sub { font-size: 1.2rem; color: rgba(255,255,255,0.85); line-height: 1.6; max-width: 500px; font-weight: 500; }
.hero-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 1.8rem; margin-top: 1.5rem; }
.hero-trust { display: flex; align-items: center; justify-content: center; gap: 0.8rem; font-size: 0.95rem; font-weight: 600; color: rgba(255,255,255,0.7); }
.trust-dot { width: 12px; height: 12px; background: var(--green); border-radius: 50%; box-shadow: 0 0 10px var(--green); animation: pulse-dot 2s ease-in-out infinite; }
@keyframes pulse-dot { 0%,100%{box-shadow:0 0 8px var(--green); transform:scale(1);} 50%{box-shadow:0 0 20px var(--green); transform:scale(1.2);} }

.hero-image-wrap { position: relative; display: flex; justify-content: center; align-items: flex-end; }
.hero-glow { position: absolute; bottom: 10%; left: 50%; transform: translateX(-50%); width: 70%; height: 50%; background: radial-gradient(circle, rgba(56,224,242,0.4) 0%, transparent 70%); filter: blur(30px); z-index: 0; }
.hero-img { position: relative; z-index: 1; width: 110%; max-width: 600px; filter: drop-shadow(0 30px 40px rgba(0,0,0,0.4)); }

.scroll-hint {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  font-family: var(--font-head); font-size: 0.9rem; font-weight: 700; color: var(--white); z-index: 1;
}
.scroll-line { width: 3px; height: 40px; background: rgba(255,255,255,0.2); border-radius: 3px; overflow: hidden; position: relative; }
.scroll-line::after { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 50%; background: var(--cyan); animation: scrollLine 2s ease-in-out infinite; }
@keyframes scrollLine { 0%{transform:translateY(-100%);} 100%{transform:translateY(200%);} }

/* ===== SECTION 2: MARQUEE ===== */
#marquee-bar { background: linear-gradient(135deg, #a4f2ff, var(--cyan)); overflow: hidden; padding: 1.2rem 0; border-bottom: 4px solid var(--navy); border-top: 4px solid var(--navy); }
.marquee-track { display: flex; overflow: hidden; }
.marquee-content { display: flex; align-items: center; gap: 2rem; white-space: nowrap; animation: marqueeScroll 25s linear infinite; }
@keyframes marqueeScroll { 0%{transform:translateX(0);} 100%{transform:translateX(-50%);} }
.marquee-item { font-family: var(--font-head); font-weight: 800; font-size: 1.2rem; color: var(--navy); display: flex; align-items: center; gap: 0.5rem; }
.micon { font-size: 1.4rem; }
.marquee-sep { color: var(--navy); opacity: 0.5; font-size: 1.2rem; }

/* ===== SECTION 3: PROBLEM VS SOLUTION (LIGHT) ===== */
#problem { padding: 8rem 0; position: relative; background: var(--off-white); z-index: 1; }
.section-doodles { position: absolute; inset: 0; pointer-events: none; overflow: hidden; z-index: -1; }
.sd-dots { width: 100px; position: absolute; top: 10%; right: 10%; opacity: 0.6; }

.section-robo { position: absolute; width: 180px; z-index: 2; pointer-events: none; filter: drop-shadow(0 15px 20px rgba(0,0,0,0.2)); }
.section-robo-right { bottom: -50px; right: 5%; }

.pvs-grid { display: grid; grid-template-columns: 1fr auto 1fr; gap: 2.5rem; align-items: stretch; margin-top: 4rem; }
.pvs-card { padding: 3rem 2.5rem; display: flex; flex-direction: column; gap: 1.5rem; }
.pvs-problem { background: #fff5f5; border-color: var(--coral); box-shadow: 8px 8px 0 rgba(242,82,82,0.2); }
.pvs-problem:hover { box-shadow: 12px 12px 0 rgba(242,82,82,0.3); }
.pvs-solution { background: #f0fbff; border-color: var(--blue); box-shadow: 8px 8px 0 rgba(48,152,217,0.2); }
.pvs-solution:hover { box-shadow: 12px 12px 0 rgba(48,152,217,0.3); }

.pvs-icon-wrap { width: 90px; height: 90px; display: flex; align-items: center; justify-content: center; background: var(--white); border-radius: 50%; border: 3px solid var(--navy); box-shadow: 4px 4px 0 var(--navy); position: relative; }
.pvs-big-icon { font-size: 3.5rem; }
.pvs-float-icon { position: absolute; animation: float 3s ease-in-out infinite; }

.pvs-card h3 { font-family: var(--font-head); font-size: 1.8rem; font-weight: 800; color: var(--navy); }
.pvs-list { display: flex; flex-direction: column; gap: 1rem; }
.pvs-list li { font-size: 1.1rem; color: #444; font-weight: 500; padding-left: 2rem; position: relative; }
.pvs-list li::before { content: "✖"; position: absolute; left: 0; color: var(--coral); font-weight: 900; font-size: 1.2rem; }
.pvs-list.green li::before { content: "✔"; color: var(--green); font-size: 1.2rem; }

.pvs-vs { display: flex; flex-direction: column; align-items: center; gap: 1rem; justify-content: center; }
.vs-circle { width: 70px; height: 70px; border-radius: 50%; background: var(--navy); border: 4px solid var(--white); box-shadow: 0 10px 20px rgba(0,0,0,0.1); display: flex; align-items: center; justify-content: center; font-family: var(--font-head); font-weight: 900; font-size: 1.5rem; color: var(--white); z-index: 1; }
.vs-line { width: 4px; height: 100px; background: rgba(14,28,54,0.1); border-radius: 2px; }

/* ===== SECTION 4: INTERACTIVE ROBOT ===== */
#meet-robo { padding: 6rem 0; background: #E8F8FA; position: relative; overflow: hidden; border-top: 4px dashed rgba(48,152,217,0.2); border-bottom: 4px dashed rgba(48,152,217,0.2); }
.meet-robo-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.meet-robo-text { display: flex; flex-direction: column; gap: 1.5rem; align-items: flex-start; }
.meet-robo-img-wrap { display: flex; justify-content: center; position: relative; }
.robo-interactive-zone { width: 100%; max-width: 450px; position: relative; perspective: 1000px; }
.robo-interactive { width: 100%; filter: drop-shadow(0 20px 30px rgba(0,0,0,0.15)); transform-style: preserve-3d; transition: transform 0.1s ease-out; }
.robo-shadow { position: absolute; bottom: -20px; left: 10%; width: 80%; height: 20px; background: radial-gradient(ellipse, rgba(0,0,0,0.2) 0%, transparent 70%); border-radius: 50%; }

/* ===== SECTION: ABOUT US (DARK) ===== */
#about {
  background: var(--navy); color: var(--white);
  padding: 8rem 0; position: relative; overflow: hidden;
}
.about-bg { position: absolute; inset: 0; z-index: 0; }
.about-grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}
.about-blob { position: absolute; filter: blur(80px); opacity: 0.25; border-radius: 50%; }
.ab-1 { width: 500px; height: 500px; background: var(--cyan); top: -150px; right: -150px; }
.ab-2 { width: 350px; height: 350px; background: var(--green); bottom: -100px; left: -100px; }

.about-inner {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 5rem;
  align-items: center; position: relative; z-index: 1;
}
.about-text { display: flex; flex-direction: column; gap: 1.5rem; }
.section-label-light {
  color: var(--cyan) !important; background: rgba(56,224,242,0.1) !important;
  border-color: rgba(56,224,242,0.3) !important;
}
.section-headline-light { color: var(--white) !important; }
.highlight-cyan {
  color: var(--cyan);
  text-shadow: 0 0 30px rgba(56,224,242,0.5);
}
.highlight-yellow {
  background: var(--gradient-yellow);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(2px 2px 0 rgba(214,144,0,0.4));
}
.about-body {
  font-size: 1.1rem; color: rgba(255,255,255,0.8); line-height: 1.75;
}
.about-body strong { color: var(--cyan); }
.about-body em { color: var(--yellow); font-style: normal; font-weight: 700; }

.about-mission-card {
  display: flex; gap: 1.5rem; align-items: flex-start;
  background: rgba(255,255,255,0.06); border: 2px solid rgba(56,224,242,0.2);
  border-radius: var(--radius); padding: 2rem; backdrop-filter: blur(10px);
}
.mission-icon { font-size: 2.5rem; flex-shrink: 0; }
.about-mission-card h3 {
  font-family: var(--font-head); font-size: 1.3rem; font-weight: 800;
  color: var(--cyan); margin-bottom: 0.75rem;
}
.about-mission-card p {
  font-size: 1rem; color: rgba(255,255,255,0.75); line-height: 1.7;
}
.about-mission-card em { color: var(--yellow); font-style: normal; font-weight: 700; }
.about-mission-card strong { color: var(--white); }

.about-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem;
  border-top: 1px solid rgba(255,255,255,0.1); padding-top: 1.5rem; margin-top: 0.5rem;
}
.about-stat { display: flex; flex-direction: column; align-items: center; gap: 0.3rem; text-align: center; }
.stat-num {
  font-family: var(--font-head); font-size: 2rem; font-weight: 900;
  background: var(--gradient-yellow); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
}
.stat-label { font-size: 0.8rem; color: rgba(255,255,255,0.5); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }

.about-img-wrap { position: relative; display: flex; justify-content: center; align-items: center; }
.card-3d-dark {
  border-radius: var(--radius-lg); border: 4px solid rgba(56,224,242,0.4);
  box-shadow: 8px 8px 0 rgba(56,224,242,0.2); overflow: hidden; position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card-3d-dark:hover { transform: translate(-4px,-4px); box-shadow: 12px 12px 0 rgba(56,224,242,0.3); }
.card-3d-dark img { width: 100%; display: block; }
.about-img-tag {
  position: absolute; bottom: 1rem; left: 1rem; right: 1rem;
  background: rgba(14,28,54,0.85); backdrop-filter: blur(10px);
  color: var(--white); font-family: var(--font-head); font-weight: 700; font-size: 1rem;
  padding: 0.75rem 1rem; border-radius: 1rem; text-align: center;
  border: 1px solid rgba(56,224,242,0.3);
}
.about-float-badge {
  position: absolute; top: -20px; right: -20px;
  background: var(--gradient-yellow); color: var(--navy);
  font-family: var(--font-head); font-weight: 800; font-size: 0.9rem;
  padding: 0.6rem 1.2rem; border-radius: 2rem; border: 3px solid var(--navy);
  box-shadow: 4px 4px 0 var(--navy); display: flex; align-items: center; gap: 0.5rem;
  animation: float 4s ease-in-out infinite;
}
.float-badge-icon { font-size: 1.1rem; }

/* ===== SECTION: OUR VALUES (LIGHT) ===== */
#values { padding: 8rem 0; background: var(--off-white); }
.values-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; margin-top: 3rem;
}
.value-card {
  padding: 2.5rem; display: flex; flex-direction: column; gap: 1rem;
  background: var(--white);
}
.value-icon { font-size: 2.8rem; }
.value-card h3 {
  font-family: var(--font-head); font-size: 1.5rem; font-weight: 800; color: var(--navy);
}
.value-card p { font-size: 1.05rem; color: #555; line-height: 1.7; }

/* ===== SECTION: WATCH, WORK, WIN (DARK) ===== */
#principle {
  background: var(--black); color: var(--white);
  padding: 8rem 0; position: relative; overflow: hidden;
}
.principle-bg { position: absolute; inset: 0; pointer-events: none; }
.principle-blob { position: absolute; filter: blur(80px); opacity: 0.15; border-radius: 50%; }
.pb-1 { width: 400px; height: 400px; background: var(--yellow); top: -100px; left: -100px; }
.pb-2 { width: 350px; height: 350px; background: var(--cyan); bottom: -80px; right: -80px; }

.section-sub-dark { color: rgba(255,255,255,0.65); font-size: 1.15rem; line-height: 1.7; max-width: 650px; margin-bottom: 4rem; }

.principle-steps {
  display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; gap: 0;
  align-items: start; position: relative; z-index: 1;
}
.step-connector { display: flex; align-items: center; padding: 4rem 0.5rem 0; }
.step-connector svg { width: 80px; opacity: 0.6; }

.principle-step {
  background: rgba(255,255,255,0.05); border: 2px solid rgba(255,255,255,0.1);
  border-radius: var(--radius); padding: 2.5rem 2rem; display: flex;
  flex-direction: column; align-items: center; text-align: center; gap: 0.8rem;
  transition: background 0.3s, border-color 0.3s, transform 0.3s;
}
.principle-step:hover {
  background: rgba(255,209,21,0.08); border-color: rgba(255,209,21,0.3);
  transform: translateY(-6px);
}
.step-num {
  font-family: var(--font-mono); font-size: 0.85rem; font-weight: 700;
  color: rgba(255,255,255,0.3); letter-spacing: 0.1em;
}
.step-icon { font-size: 3rem; }
.step-badge {
  font-family: var(--font-mono); font-size: 0.75rem; font-weight: 700;
  background: var(--gradient-yellow); color: var(--navy);
  padding: 0.3rem 0.9rem; border-radius: 2rem; letter-spacing: 0.08em;
}
.principle-step h3 {
  font-family: var(--font-head); font-size: 1.8rem; font-weight: 800; color: var(--white);
}
.principle-step p { font-size: 0.95rem; color: rgba(255,255,255,0.65); line-height: 1.65; }

/* Card focus tag */
.card-focus-tag {
  font-family: var(--font-mono); font-size: 0.78rem; font-weight: 700;
  color: var(--blue); background: rgba(48,152,217,0.08);
  border: 1.5px solid rgba(48,152,217,0.2); border-radius: 1rem;
  padding: 0.4rem 0.9rem; width: max-content; margin-top: auto;
}

/* ===== SECTION 5: CURRICULUM CARDS (LIGHT) ===== */
#programs { padding: 8rem 0; background: var(--white); }
.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.5rem; margin-top: 3rem; }
.program-card { padding: 2.5rem 2rem; display: flex; flex-direction: column; gap: 1.2rem; position: relative; }
.program-card.featured { border-color: var(--blue); background: #f8fdff; transform: scale(1.05); z-index: 1; box-shadow: 12px 12px 0 var(--blue); }
.program-card.featured:hover { transform: scale(1.05) translate(-4px, -4px); box-shadow: 16px 16px 0 var(--blue); }

.card-badge { position: absolute; top: -15px; right: 20px; background: var(--gradient-yellow); color: var(--navy); font-family: var(--font-head); font-size: 0.9rem; font-weight: 800; padding: 0.5rem 1.2rem; border-radius: 2rem; border: 3px solid var(--navy); box-shadow: 4px 4px 0 var(--navy); transform: rotate(5deg); }
.card-icon-wrap { width: 80px; height: 80px; background: var(--off-white); border-radius: 20px; border: 3px solid var(--navy); box-shadow: 4px 4px 0 var(--navy); display: flex; align-items: center; justify-content: center; margin-bottom: 0.5rem; }
.card-icon { font-size: 2.5rem; }
.card-tag { font-family: var(--font-mono); font-size: 0.8rem; color: var(--blue); font-weight: 700; background: rgba(48,152,217,0.1); padding: 0.3rem 0.8rem; border-radius: 1rem; width: max-content; }
.card-title { font-family: var(--font-head); font-size: 1.6rem; font-weight: 800; color: var(--navy); line-height: 1.2; }
.card-desc { font-size: 1.05rem; color: #555; line-height: 1.6; flex: 1; }
.card-skills { display: flex; flex-direction: column; gap: 0.6rem; background: var(--off-white); padding: 1rem; border-radius: 1rem; border: 2px dashed rgba(14,28,54,0.1); }
.card-skills li { font-size: 0.95rem; color: var(--navy); font-weight: 600; padding-left: 1.5rem; position: relative; }
.card-skills li::before { content: "✨"; position: absolute; left: 0; font-size: 0.9rem; }
/* Cards CTA Nudge */
.cards-cta-nudge {
  margin-top: 3rem; text-align: center;
}
.cards-cta-nudge p { font-size: 1.1rem; color: #555; font-weight: 500; }
.cards-cta-link { color: var(--blue); font-weight: 800; text-decoration: underline; text-underline-offset: 3px; transition: color 0.2s; }
.cards-cta-link:hover { color: var(--navy); }

/* ===== ONGOING REGISTRATION BANNER ===== */
#ongoing-registration { padding: 5rem 0; background: var(--off-white); }
.reg-banner-inner { display: grid; grid-template-columns: 1fr 1.2fr; gap: 4rem; align-items: center; background: var(--white); padding: 3rem; border-radius: var(--radius-lg); border: 4px solid var(--navy); box-shadow: 12px 12px 0 var(--navy); }
.reg-banner-image img { width: 100%; border-radius: var(--radius); border: 3px solid var(--navy); }
.reg-banner-content { display: flex; flex-direction: column; gap: 1.5rem; align-items: flex-start; }
@media (max-width: 768px) {
  .reg-banner-inner { grid-template-columns: 1fr; text-align: center; gap: 2rem; padding: 2rem; }
  .reg-banner-content { align-items: center; }
  #programs { padding-bottom: 2rem; }
  #ongoing-registration { padding-top: 2rem; }
}

/* ===== SECTION 6: GALLERY (LIGHT) ===== */
#gallery { padding: 8rem 0; background: #fffbee; position: relative; overflow: hidden; border-top: 4px dashed rgba(255,209,21,0.5); }
  .gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 3rem; margin-top: 3rem; padding: 2rem 0; }
  .polaroid { background: var(--white); padding: 1.2rem; border: 4px solid var(--navy); border-radius: var(--radius); box-shadow: 8px 8px 0 rgba(0,0,0,0.1); cursor: pointer; position: relative; transition: transform 0.3s ease, box-shadow 0.3s ease; }
  .polaroid:hover { transform: translateY(-6px); box-shadow: 12px 12px 0 rgba(0,0,0,0.15); z-index: 10; }
  .polaroid img { width: 100%; border-radius: calc(var(--radius) - 8px); border: 2px solid var(--navy); object-fit: cover; aspect-ratio: 4/3; }
  .polaroid.tall img { aspect-ratio: 3/4; }
  .polaroid-caption { display: block; text-align: center; font-family: var(--font-head); font-size: 1.2rem; font-weight: 600; color: var(--navy); margin-top: 1rem; }

/* ===== SECTION 7: REGISTER (LIGHT) ===== */
#register { padding: 8rem 0; background: #F4F7FB; position: relative; overflow: hidden; }
.register-bg { position: absolute; inset: 0; pointer-events: none; overflow: hidden; z-index: 0; }
.geo-blob { position: absolute; filter: blur(40px); opacity: 0.3; border-radius: 50%; animation: float 8s ease-in-out infinite alternate; }
.blob-yellow { width: 300px; height: 300px; background: var(--yellow); }
.blob-blue { width: 250px; height: 250px; background: var(--cyan); }
.blob-green { width: 200px; height: 200px; background: var(--green); }
.blob-pink { width: 280px; height: 280px; background: var(--coral); }

.register-inner { display: grid; grid-template-columns: 1fr 1.2fr; gap: 5rem; align-items: start; position: relative; z-index: 1; }

/* FAQ */
.faq-col { display: flex; flex-direction: column; gap: 1.5rem; }
.accordion { display: flex; flex-direction: column; gap: 1.2rem; margin-top: 1rem; }
.acc-item { border-radius: var(--radius); overflow: hidden; padding: 0; }
.acc-trigger { width: 100%; display: flex; justify-content: space-between; align-items: center; padding: 1.5rem; background: var(--white); font-family: var(--font-head); font-size: 1.1rem; font-weight: 700; color: var(--navy); border: none; cursor: pointer; text-align: left; transition: background 0.2s; outline: none; }
.acc-trigger:hover { background: #fafafa; }
.acc-icon { font-size: 1.5rem; color: var(--blue); font-weight: 900; transition: transform var(--transition); width: 30px; height: 30px; display: flex; align-items: center; justify-content: center; background: rgba(48,152,217,0.1); border-radius: 50%; }
.acc-item.open .acc-icon { transform: rotate(45deg); background: var(--gradient-yellow); color: var(--navy); }
.acc-body { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; background: #fafafa; }
.acc-item.open .acc-body { max-height: 300px; border-top: 2px dashed rgba(14,28,54,0.1); }
.acc-body p { padding: 1.5rem; font-size: 1.05rem; color: #555; line-height: 1.7; }

/* Offer Card & Form */
.cohort-card { padding: 3rem; background: var(--white); }
.cohort-badge { display: inline-block; background: var(--coral); color: var(--white); font-family: var(--font-head); font-size: 0.95rem; font-weight: 800; padding: 0.5rem 1.2rem; border-radius: 2rem; margin-bottom: 2rem; border: 3px solid var(--navy); box-shadow: 4px 4px 0 var(--navy); transform: rotate(-3deg); }
.cohort-details { display: flex; flex-direction: column; gap: 1.2rem; margin-bottom: 2.5rem; padding-bottom: 2.5rem; border-bottom: 2px dashed rgba(14,28,54,0.1); }
.cohort-detail { display: flex; align-items: center; gap: 1.2rem; }
.cd-icon { font-size: 1.8rem; width: 60px; height: 60px; background: var(--off-white); border: 2px solid var(--navy); border-radius: 1rem; display: flex; align-items: center; justify-content: center; box-shadow: 3px 3px 0 var(--navy); }
.cohort-detail span { font-size: 1rem; color: #555; }
.cohort-detail strong { display: block; font-family: var(--font-head); font-size: 1.2rem; color: var(--navy); font-weight: 800; }

.reg-form { display: flex; flex-direction: column; gap: 1.5rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 540px) { .form-row { grid-template-columns: 1fr; } }
.reg-form h3 { font-family: var(--font-head); font-size: 1.6rem; font-weight: 800; color: var(--navy); margin-bottom: 0.5rem; text-align: center; }
.form-group { display: flex; flex-direction: column; gap: 0.6rem; }
.form-group label { font-family: var(--font-head); font-size: 1rem; font-weight: 700; color: var(--navy); }
.form-group input, .form-group select { background: var(--off-white); border: 3px solid var(--navy); border-radius: 1rem; padding: 1rem 1.2rem; color: var(--navy); font-family: var(--font-body); font-size: 1.05rem; font-weight: 600; outline: none; transition: box-shadow 0.2s, transform 0.2s; box-shadow: 3px 3px 0 rgba(14,28,54,0.1); appearance: none; }
.form-group input:focus, .form-group select:focus { box-shadow: 5px 5px 0 var(--cyan); transform: translate(-2px, -2px); border-color: var(--cyan); }
.form-note { text-align: center; font-size: 0.95rem; color: #666; font-weight: 600; margin-top: 0.5rem; }
.form-note a { color: var(--blue); text-decoration: underline; font-weight: 800; }

/* Pulse animation for CTA */
@keyframes pulse { 0%,100%{transform:scale(1);} 50%{transform:scale(1.03);} }
.pulse { animation: pulse 2s ease-in-out infinite; }

/* ===== SECTION 8: FOOTER (DARK) ===== */
#footer { background: var(--navy); color: var(--white); border-top: 8px solid var(--yellow); padding: 5rem 0 0; position: relative; }
#footer::before { content: ''; position: absolute; top: -8px; left: 0; width: 100%; height: 8px; background: repeating-linear-gradient(45deg, var(--yellow), var(--yellow) 20px, var(--navy) 20px, var(--navy) 40px); }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 4rem; padding-bottom: 4rem; }
.footer-logo { height: 60px; width: auto; margin-bottom: 1.5rem; }
.footer-tagline { font-family: var(--font-head); font-size: 1.2rem; font-weight: 700; color: var(--cyan); margin-bottom: 1rem; }
.footer-location { font-size: 1rem; color: rgba(255,255,255,0.7); margin-bottom: 1rem; }
.footer-wa { display: inline-flex; align-items: center; gap: 0.6rem; color: var(--yellow); font-family: var(--font-head); font-weight: 800; font-size: 1.1rem; background: rgba(255,209,21,0.1); padding: 0.5rem 1rem; border-radius: 2rem; border: 2px solid var(--yellow); transition: background 0.3s, color 0.3s; }
.footer-wa:hover { background: var(--yellow); color: var(--navy); }

.footer-links-col { display: flex; flex-direction: column; gap: 1rem; }
.footer-links-col h4 { font-family: var(--font-head); font-size: 1.1rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.05em; color: var(--white); margin-bottom: 0.5rem; }
.footer-links-col a { font-size: 1rem; color: rgba(255,255,255,0.6); font-weight: 500; transition: color 0.2s, padding-left 0.2s; }
.footer-links-col a:hover { color: var(--cyan); padding-left: 5px; }

.footer-bottom { background: #0a1426; padding: 1.5rem; text-align: center; display: flex; flex-direction: column; gap: 0.5rem; border-top: 1px solid rgba(255,255,255,0.05); }
.footer-mono { font-family: var(--font-head); font-size: 1rem; font-weight: 800; color: var(--white); letter-spacing: 0.1em; }
.footer-bottom span:last-child { font-size: 0.9rem; color: rgba(255,255,255,0.4); }


/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .register-inner { grid-template-columns: 1fr; gap: 4rem; }
  .program-card.featured { transform: scale(1); }
  .program-card.featured:hover { transform: translate(-4px, -4px); }
  .section-robo { display: none; }
  .about-inner { grid-template-columns: 1fr; gap: 4rem; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .principle-steps { grid-template-columns: 1fr; gap: 1.5rem; }
  .step-connector { display: none; }
  .values-grid { grid-template-columns: 1fr; }
  .card-3d { box-shadow: 6px 6px 0 var(--navy); }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }

  /* Hero */
  .hero-inner { grid-template-columns: 1fr; text-align: center; gap: 2rem; padding-top: 1rem; }
  .hero-copy { align-items: center; }
  .hero-actions { align-items: center; width: 100%; }
  .hero-sub { text-align: center; font-size: 1rem; }
  .hero-image-wrap { order: -1; }
  .hero-img { max-width: 85%; }
  #hero { padding-bottom: 4rem; }

  /* Sections padding */
  #about, #values, #principle, #meet-robo, #programs, #gallery { padding: 5rem 0; }
  #problem { padding: 5rem 0; }
  .container { padding: 0 1.1rem; }

  /* About */
  .about-inner { grid-template-columns: 1fr; gap: 3rem; text-align: center; }
  .about-text { align-items: center; }
  .about-mission-card { flex-direction: column; align-items: center; text-align: center; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .about-float-badge { display: none; } /* hidden — overlaps on small screens */

  /* Values + Principle */
  .values-grid { grid-template-columns: 1fr; }
  .principle-steps { grid-template-columns: 1fr; gap: 1.5rem; }
  .step-connector { display: none; }

  /* Problem/Solution */
  .pvs-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .pvs-vs { flex-direction: row; }
  .vs-line { width: 80px; height: 4px; background: rgba(14,28,54,0.1); }

  /* Cards — prevent horizontal overflow from box-shadow */
  .card-3d { box-shadow: 4px 4px 0 var(--navy); }
  .cards-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .program-card { padding: 1.8rem 1.4rem; }
  .card-3d-dark { box-shadow: 4px 4px 0 rgba(56,224,242,0.2); }

  /* Gallery */
  .gallery-grid { grid-template-columns: 1fr; }

  /* Meet Robo */
  .meet-robo-inner { grid-template-columns: 1fr; text-align: center; gap: 3rem; }
  .meet-robo-text { align-items: center; }
  .robo-interactive-zone { max-width: 300px; margin: 0 auto; }

  /* Footer */
  .footer-inner { grid-template-columns: 1fr; text-align: center; gap: 3rem; }
  .footer-links-col { align-items: center; }

  /* WhatsApp FAB — smaller, tucked in corner */
  #whatsapp-fab { width: 52px; height: 52px; bottom: 1.2rem; right: 1rem; }

  /* Section headlines */
  .section-headline { font-size: clamp(1.8rem, 7vw, 2.5rem); }
  .hero-headline { font-size: clamp(2.2rem, 9vw, 3.5rem); }
}

@media (max-width: 480px) {
  .hero-headline { font-size: 2.5rem; }
  .section-headline { font-size: 2rem; }
  .pvs-card, .cohort-card { padding: 2rem 1.5rem; }
}