/* ============================================================
   AMIT KUMAR PORTFOLIO — style.css
   Premium Dark-First Design | Glassmorphism | Conversion-Focused
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Sans:ital,wght@0,300;0,400;0,500;0,600;1,300&display=swap');

/* ─── VARIABLES ─────────────────────────────────────────────── */
:root {
  --bg-primary: #080b14;
  --bg-secondary: #0d1120;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(59, 130, 246, 0.4);

  --accent-1: #3b82f6;   /* professional blue */
  --accent-2: #14b8a6;   /* teal */
  --accent-3: #22d3ee;   /* cyan */
  --accent-hot: #f59e0b; /* orange highlight */

  --text-primary: #f0f4ff;
  --text-secondary: #8892b0;
  --text-muted: #4a5568;

  --grad-main: linear-gradient(135deg, #3b82f6 0%, #14b8a6 55%, #22d3ee 100%);
  --grad-hero: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(59,130,246,0.2) 0%, transparent 70%);
  --grad-card: linear-gradient(145deg, rgba(59,130,246,0.12), rgba(20,184,166,0.08));

  --glow-purple: 0 0 24px rgba(59,130,246,0.22), 0 0 48px rgba(20,184,166,0.1);
  --glow-cyan: 0 0 30px rgba(34,211,238,0.28);

  --font-head: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 18px;
  --radius-xl: 24px;

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  --nav-height: 72px;
}

/* Light Mode */
[data-theme="light"] {
  --bg-primary: #f8f9ff;
  --bg-secondary: #eef0fb;
  --bg-card: rgba(59, 130, 246, 0.05);
  --bg-card-hover: rgba(20, 184, 166, 0.1);
  --border: rgba(59, 130, 246, 0.18);
  --border-glow: rgba(59, 130, 246, 0.35);
  --text-primary: #0f0f23;
  --text-secondary: #4a4a6a;
  --text-muted: #9090b0;
  --grad-hero: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(59,130,246,0.12) 0%, transparent 70%);
  --glow-purple: 0 0 30px rgba(59,130,246,0.2), 0 0 60px rgba(20,184,166,0.12);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background 0.4s ease, color 0.4s ease;
}

::selection { background: rgba(59,130,246,0.3); color: #fff; }

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ─── SCROLLBAR ──────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--accent-1); border-radius: 100px; }

/* ─── NOISE OVERLAY ─────────────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* ─── UTILITY ────────────────────────────────────────────────── */
.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; position: relative; z-index: 1; }

.grad-text {
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: var(--transition);
}

.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: var(--glow-purple);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: none;
  color: var(--accent-1);
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.25);
  border-radius: 999px;
  padding: 6px 16px;
  margin-bottom: 16px;
}

.section-header { text-align: center; margin-bottom: 60px; }
.section-header h2 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
}
.section-header p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto;
}

/* ─── BUTTONS ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  transform: translateX(-100%);
  transition: transform 0.4s ease;
}
.btn:hover::before { transform: translateX(0); }

.btn-primary {
  background: var(--grad-main);
  color: #fff;
  box-shadow: 0 4px 24px rgba(59,130,246,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(59,130,246,0.45);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--accent-1);
  color: var(--accent-1);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: #fff;
  box-shadow: 0 4px 20px rgba(37,211,102,0.35);
}
.btn-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(37,211,102,0.5);
}

.btn-rose {
  background: linear-gradient(135deg, #f59e0b, #ea580c);
  color: #fff;
  box-shadow: 0 4px 24px rgba(245,158,11,0.4);
}
.btn-rose:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(245,158,11,0.55);
}

/* ─── NAVBAR ─────────────────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: var(--transition);
}

#navbar.scrolled {
  background: rgba(8, 11, 20, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
[data-theme="light"] #navbar.scrolled {
  background: rgba(248, 249, 255, 0.88);
}

.nav-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: 100%;
  gap: 16px;
}

.nav-logo {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
  justify-self: start;
  flex-shrink: 0;
}
.nav-logo .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--grad-main);
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.7; }
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  justify-self: center;
  white-space: nowrap;
}
.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0; right: 0;
  height: 1.5px;
  background: var(--grad-main);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after { transform: scaleX(1); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-self: end;
}

@media (max-width: 1100px) {
  .nav-links { gap: 22px; }
  .nav-links a { font-size: 0.82rem; }
}

#theme-toggle {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition);
  color: var(--text-primary);
}
#theme-toggle:hover {
  border-color: var(--accent-1);
  background: rgba(59,130,246,0.1);
}

#menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 32px;
  padding: 4px;
}
#menu-toggle span {
  display: block;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}
#menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
#menu-toggle.active span:nth-child(2) { opacity: 0; }
#menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav */
.nav-mobile {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0; right: 0;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 24px;
  flex-direction: column;
  gap: 20px;
  z-index: 999;
}
.nav-mobile.open { display: flex; }
.nav-mobile a { font-size: 1rem; color: var(--text-secondary); }
.nav-mobile a:hover { color: var(--accent-1); }

/* ─── HERO ───────────────────────────────────────────────────── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}

/* Animated mesh background */
#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-hero);
  pointer-events: none;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image: none;
  background-size: 60px 60px;
  pointer-events: none;
  opacity: 0.5;
}

.hero-orb-1 {
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59,130,246,0.16) 0%, transparent 72%);
  top: -200px; right: -100px;
  pointer-events: none;
  animation: float 8s ease-in-out infinite;
}
.hero-orb-2 {
  position: absolute;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(20,184,166,0.14) 0%, transparent 72%);
  bottom: -100px; left: -100px;
  pointer-events: none;
  animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-30px) rotate(5deg); }
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

/* LEFT SIDE */
.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-3);
  background: rgba(6,182,212,0.08);
  border: 1px solid rgba(6,182,212,0.2);
  border-radius: 100px;
  padding: 6px 16px;
  margin-bottom: 24px;
  width: fit-content;
}
.hero-label::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent-3);
  animation: pulse 2s ease infinite;
}

.hero-title {
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}
.hero-title .name { display: block; }
.hero-title .hello { font-size: 0.6em; font-weight: 500; color: var(--text-secondary); letter-spacing: 0; }

.hero-typing-wrap {
  font-family: var(--font-head);
  font-size: clamp(1rem, 2.2vw, 1.35rem);
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 12px;
  min-height: 2em;
}
.hero-typing-wrap .typed-text { color: var(--accent-1); }
.hero-typing-wrap .cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: var(--accent-1);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: blink 0.8s step-end infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

.hero-founder {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
}
.hero-founder strong {
  color: var(--accent-2);
  font-weight: 600;
}

.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.stat-item h3 {
  font-family: var(--font-head);
  font-size: 1.8rem;
  font-weight: 800;
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-item p { font-size: 0.8rem; color: var(--text-secondary); margin-top: 2px; }

/* RIGHT SIDE – Avatar */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.avatar-wrapper {
  position: relative;
  width: 340px;
  height: 340px;
}

.avatar-glow-ring {
  position: absolute;
  inset: -16px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, #3b82f6, #14b8a6, #22d3ee, #3b82f6);
  animation: spin 6s linear infinite;
  padding: 4px;
}
.avatar-glow-ring::before {
  content: '';
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: var(--bg-primary);
}

@keyframes spin { to { transform: rotate(360deg); } }

.avatar-img-container {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  overflow: hidden;
  z-index: 2;
}

.avatar-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(145deg, rgba(59,130,246,0.22), rgba(20,184,166,0.16));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 50%;
}
.avatar-placeholder .avatar-icon { font-size: 5rem; }
.avatar-placeholder span {
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

/* Floating badges */
.hero-badge {
  position: absolute;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 8px 16px;
  font-size: 0.78rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  backdrop-filter: blur(10px);
  animation: badgeFloat 6s ease-in-out infinite;
  z-index: 5;
}
.hero-badge:nth-child(2) { animation-delay: -1.5s; }
.hero-badge:nth-child(3) { animation-delay: -3s; }

@keyframes badgeFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

.badge-1 { top: 10px; right: -20px; }
.badge-2 { bottom: 40px; right: -30px; }
.badge-3 { bottom: 10px; left: -30px; }

/* ─── TRUST STRIP ────────────────────────────────────────────── */
#trust {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
  position: relative;
  z-index: 1;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  border-right: 1px solid var(--border);
  transition: var(--transition);
}
.trust-item:last-child { border-right: none; }
.trust-item:hover { background: var(--bg-card); }

.trust-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(59,130,246,0.12);
  border: 1px solid rgba(59,130,246,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.trust-item h3 {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.trust-item p { font-size: 0.8rem; color: var(--text-secondary); }

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

.service-card {
  padding: 36px;
  background: var(--grad-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad-main);
  transform: scaleX(0);
  transition: transform 0.4s ease;
  transform-origin: left;
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glow);
  box-shadow: var(--glow-purple);
}

.service-icon {
  width: 60px; height: 60px;
  border-radius: var(--radius-md);
  background: rgba(59,130,246,0.12);
  border: 1px solid rgba(59,130,246,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 24px;
  transition: var(--transition);
}
.service-card:hover .service-icon {
  background: rgba(59,130,246,0.2);
  transform: scale(1.1);
}

.service-card h3 {
  font-family: var(--font-head);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.service-card .problem {
  font-size: 0.85rem;
  color: var(--accent-hot);
  font-weight: 500;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.service-card .solution {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
}
.service-card .outcome {
  font-size: 0.85rem;
  color: var(--accent-3);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}

.service-featured { position: relative; }
.service-featured::after {
  content: 'Featured';
  position: absolute;
  top: 20px; right: 20px;
  background: rgba(245,158,11,0.15);
  border: 1px solid rgba(245,158,11,0.35);
  color: #f59e0b;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 4px 12px;
  border-radius: 100px;
}

/* ─── PROJECTS ───────────────────────────────────────────────── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.project-card {
  padding: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--grad-card);
  opacity: 0;
  transition: opacity 0.4s ease;
}
.project-card:hover::before { opacity: 1; }
.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glow);
  box-shadow: var(--glow-purple);
}

.project-type {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-1);
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.2);
  padding: 4px 12px;
  border-radius: 100px;
  display: inline-block;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.project-card h3 {
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.project-meta { position: relative; z-index: 1; }
.meta-row {
  display: flex;
  gap: 10px;
  margin-bottom: 10px;
  align-items: flex-start;
}
.meta-row .meta-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  width: 68px;
  flex-shrink: 0;
  margin-top: 2px;
}
.meta-label.problem { color: #f59e0b; }
.meta-label.solution { color: var(--accent-1); }
.meta-label.result { color: #10b981; }
.meta-row p { font-size: 0.88rem; color: var(--text-secondary); }

.project-result-highlight {
  margin-top: 20px;
  padding: 14px 16px;
  background: rgba(16, 185, 129, 0.06);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  color: #10b981;
  font-weight: 500;
  position: relative;
  z-index: 1;
}

/* ─── ABOUT ──────────────────────────────────────────────────── */
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}

.about-timeline { position: relative; }
.about-timeline::before {
  content: '';
  position: absolute;
  left: 19px;
  top: 0; bottom: 0;
  width: 2px;
  background: var(--accent-1);
}

.timeline-item {
  display: flex;
  gap: 24px;
  padding-bottom: 36px;
  position: relative;
}
.timeline-item:last-child { padding-bottom: 0; }

.timeline-dot {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(59,130,246,0.15);
  border: 2px solid var(--accent-1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}
.timeline-item.current .timeline-dot {
  background: rgba(59,130,246,0.2);
  box-shadow: var(--glow-purple);
}

.timeline-content h4 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.timeline-content .period {
  font-size: 0.78rem;
  color: var(--accent-1);
  font-weight: 600;
  margin-bottom: 8px;
}
.timeline-content p { font-size: 0.88rem; color: var(--text-secondary); }

.about-content h2 {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
}
.about-content > p {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.75;
}

.about-highlight {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 32px 0;
}
.highlight-item {
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 12px;
  transition: var(--transition);
}
.highlight-item:hover {
  border-color: var(--border-glow);
  background: var(--bg-card-hover);
}
.highlight-item .hi-icon { font-size: 1.4rem; }
.highlight-item p { font-size: 0.85rem; font-weight: 600; }

/* ─── TECH STACK ─────────────────────────────────────────────── */
#techstack { background: var(--bg-secondary); }

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 16px;
}
.tech-item {
  padding: 20px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
  transition: var(--transition);
  cursor: default;
}
.tech-item:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
  background: var(--bg-card-hover);
  box-shadow: var(--glow-purple);
}
.tech-item .tech-icon { font-size: 2.2rem; }
.tech-item .tech-logo {
  width: 38px;
  height: 38px;
  object-fit: contain;
}
.tech-item span {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color 0.3s;
}
.tech-item:hover span { color: var(--text-primary); }

/* ─── TESTIMONIALS ───────────────────────────────────────────── */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  position: relative;
  transition: var(--transition);
}
.testimonial-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: var(--glow-purple);
}

.testimonial-card .quote-icon {
  font-size: 3rem;
  line-height: 1;
  color: var(--accent-1);
  opacity: 0.3;
  font-family: Georgia, serif;
  margin-bottom: 12px;
}
.testimonial-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
  font-style: italic;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.author-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--grad-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}
.author-info h4 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 2px;
}
.author-info span { font-size: 0.78rem; color: var(--text-secondary); }
.stars {
  display: flex;
  gap: 2px;
  margin-top: 4px;
}
.stars span { color: #f59e0b; font-size: 0.8rem; }

/* ─── CLIENTS ────────────────────────────────────────────────── */
#clients {
  background: var(--bg-secondary);
  padding: 78px 0;
  position: relative;
  overflow: hidden;
}
#clients::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 10% 20%, rgba(59,130,246,0.12), transparent 45%),
              radial-gradient(circle at 90% 80%, rgba(20,184,166,0.1), transparent 42%);
}
.clients-label {
  text-align: center;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.clients-title {
  text-align: center;
  font-family: var(--font-head);
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  font-weight: 700;
  margin-bottom: 28px;
}
.clients-logos {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 14px;
}
.client-pill {
  padding: 14px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 0.86rem;
  font-weight: 700;
  text-align: left;
  letter-spacing: 0.01em;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
}
.client-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(59,130,246,0.14);
  border: 1px solid rgba(59,130,246,0.25);
  font-size: 0.9rem;
  flex-shrink: 0;
}
.client-pill::before {
  content: '';
  position: absolute;
  top: 0;
  left: -130%;
  width: 70%;
  height: 100%;
  background: linear-gradient(110deg, transparent, rgba(255,255,255,0.15), transparent);
  transition: left 0.7s ease;
}
.client-pill:hover {
  color: var(--text-primary);
  border-color: var(--accent-1);
  background: rgba(20,184,166,0.14);
  transform: translateY(-3px);
  box-shadow: 0 10px 22px rgba(0,0,0,0.18);
}
.client-pill:hover::before {
  left: 140%;
}

/* ─── CTA SECTION ────────────────────────────────────────────── */
#cta-section {
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}
#cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 80% at 50% 50%, rgba(59,130,246,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.cta-box {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  padding: 64px 48px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-main);
}

.cta-box h2 {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}
.cta-box p {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* ─── CONTACT ────────────────────────────────────────────────── */
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: start;
}

.contact-info h2 {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 16px;
}
.contact-info > p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}
.contact-detail {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.contact-detail:last-of-type { border-bottom: none; }
.contact-detail .cd-icon {
  width: 42px; height: 42px;
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-detail h4 { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: 2px; }
.contact-detail p { font-size: 0.92rem; font-weight: 600; }

/* Contact Form */
.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  backdrop-filter: blur(20px);
}

.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text-primary);
  transition: var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent-1);
  background: rgba(59,130,246,0.05);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group select option { background: var(--bg-secondary); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

#form-success {
  display: none;
  text-align: center;
  padding: 20px;
  background: rgba(16,185,129,0.08);
  border: 1px solid rgba(16,185,129,0.25);
  border-radius: var(--radius-sm);
  color: #10b981;
  font-weight: 600;
  margin-top: 16px;
}

/* ─── STICKY WHATSAPP ────────────────────────────────────────── */
#whatsapp-sticky {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #25d366, #128c7e);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: var(--transition);
  animation: waPulse 2.5s ease infinite;
}
#whatsapp-sticky:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37,211,102,0.6);
}
@keyframes waPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37,211,102,0.4), 0 0 0 0 rgba(37,211,102,0.3); }
  50% { box-shadow: 0 4px 20px rgba(37,211,102,0.4), 0 0 0 12px rgba(37,211,102,0); }
}

/* ─── FOOTER ─────────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  background: var(--bg-secondary);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-logo {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 800;
}
.footer-links {
  display: flex;
  gap: 24px;
}
.footer-links a { font-size: 0.85rem; color: var(--text-secondary); transition: color 0.3s; }
.footer-links a:hover { color: var(--accent-1); }
.footer-copy { font-size: 0.8rem; color: var(--text-muted); }

/* ─── REVEAL ANIMATIONS ──────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ─── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-inner { gap: 40px; }
  .avatar-wrapper { width: 280px; height: 280px; }
  .about-inner { grid-template-columns: 1fr; gap: 48px; }
  .about-inner .about-timeline { order: 2; }
  .contact-inner { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }

  .nav-links, .nav-actions .btn { display: none; }
  #menu-toggle { display: flex; }
  .nav-actions { gap: 8px; }
  .nav-inner { display: flex; justify-content: space-between; }

  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-label { margin: 0 auto 24px; }
  .hero-visual { order: -1; }
  .avatar-wrapper { width: 240px; height: 240px; }
  .hero-cta { justify-content: center; }
  .hero-stats { grid-template-columns: repeat(3, 1fr); }
  .badge-1 { right: 0; top: 0; }
  .badge-2 { right: -10px; bottom: 20px; }
  .badge-3 { left: -10px; bottom: 0; }

  .trust-grid { grid-template-columns: 1fr 1fr; }
  .trust-item { border-right: none; border-bottom: 1px solid var(--border); }
  .trust-item:nth-child(2n) { border-right: none; }
  .trust-item:nth-last-child(-n+2) { border-bottom: none; }

  .services-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .about-highlight { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .cta-box { padding: 40px 24px; }
  .footer-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero-stats { grid-template-columns: 1fr; text-align: left; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-item { border-bottom: 1px solid var(--border); border-right: none; }
}