/* ================================================================
   MUHAMMAD SAMI PORTFOLIO — STYLESHEET
   Dark Modern Freelancer Portfolio
   ================================================================ */

/* ----------------------------------------------------------------
   1. CSS VARIABLES & RESET
   ---------------------------------------------------------------- */
:root {
  /* Colors */
  --bg-primary:    #080c14;
  --bg-secondary:  #0d1220;
  --bg-card:       #111827;
  --bg-card-hover: #141d2e;
  --border:        #1e2d45;
  --border-light:  #243450;

  --accent-primary:  #6c75fa;
  --accent-secondary:#a78bfa;
  --accent-green:    #34d399;
  --accent-blue:     #60a5fa;
  --accent-pink:     #f472b6;

  --text-primary:   #f0f4ff;
  --text-secondary: #8a9bc4;
  --text-muted:     #4d607e;

  /* Gradients */
  --gradient-main:    linear-gradient(135deg, #6c75fa, #a78bfa);
  --gradient-glow:    linear-gradient(135deg, rgba(108,117,250,0.15), rgba(167,139,250,0.08));
  --gradient-section: linear-gradient(180deg, #080c14 0%, #0d1220 100%);

  /* Typography */
  --font-display: 'Sora', sans-serif;
  --font-body:    'DM Sans', sans-serif;

  /* Spacing */
  --section-pad: 100px;
  --container-max: 1200px;

  /* Transitions */
  --trans-fast:   0.18s ease;
  --trans-normal: 0.3s ease;
  --trans-slow:   0.5s ease;

  /* Shadows */
  --shadow-card:  0 4px 24px rgba(0,0,0,0.35);
  --shadow-glow:  0 0 40px rgba(108,117,250,0.18);
  --shadow-btn:   0 4px 20px rgba(108,117,250,0.35);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a  { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ----------------------------------------------------------------
   2. UTILITY CLASSES
   ---------------------------------------------------------------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: var(--section-pad) 0; }

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

.section-label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-primary);
  background: rgba(108,117,250,0.1);
  border: 1px solid rgba(108,117,250,0.25);
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-heading {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.section-subtext {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.7;
}

.section-header { margin-bottom: 60px; }
.section-header.center { text-align: center; }
.section-header.center .section-subtext { margin: 0 auto; }

.section-cta { text-align: center; margin-top: 48px; }


/* ----------------------------------------------------------------
   3. BUTTONS
   ---------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 11px 24px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: all var(--trans-normal);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  text-decoration: none;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.08);
  opacity: 0;
  transition: opacity var(--trans-fast);
}
.btn:hover::before { opacity: 1; }

.btn-primary {
  background: var(--gradient-main);
  color: #fff;
  box-shadow: var(--shadow-btn);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(108,117,250,0.5);
}
.btn-primary:active { transform: translateY(0); }

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border-light);
}
.btn-outline:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-2px);
  background: rgba(108,117,250,0.06);
}

.btn-ghost {
  background: transparent;
  color: var(--accent-primary);
  padding-left: 0;
  padding-right: 0;
}
.btn-ghost:hover { color: var(--accent-secondary); }

.btn-lg { font-size: 1rem; padding: 14px 30px; border-radius: 12px; }
.btn-full { width: 100%; justify-content: center; }

svg { flex-shrink: 0; }


/* ----------------------------------------------------------------
   4. SCROLL REVEAL ANIMATIONS
   ---------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.65s cubic-bezier(0.22,1,0.36,1),
              transform 0.65s cubic-bezier(0.22,1,0.36,1);
}
.reveal.visible { opacity: 1; transform: none; }

.reveal-right {
  opacity: 0;
  transform: translateX(60px);
  transition: opacity 0.7s cubic-bezier(0.22,1,0.36,1) 0.1s,
              transform 0.7s cubic-bezier(0.22,1,0.36,1) 0.1s;
}
.reveal-right.visible { opacity: 1; transform: none; }

/* Stagger children */
.services-grid .reveal:nth-child(2) { transition-delay: 0.07s; }
.services-grid .reveal:nth-child(3) { transition-delay: 0.14s; }
.services-grid .reveal:nth-child(4) { transition-delay: 0.21s; }
.services-grid .reveal:nth-child(5) { transition-delay: 0.07s; }
.services-grid .reveal:nth-child(6) { transition-delay: 0.14s; }
.portfolio-grid .reveal:nth-child(2) { transition-delay: 0.07s; }
.portfolio-grid .reveal:nth-child(3) { transition-delay: 0.14s; }
.portfolio-grid .reveal:nth-child(4) { transition-delay: 0.07s; }
.portfolio-grid .reveal:nth-child(5) { transition-delay: 0.14s; }
.portfolio-grid .reveal:nth-child(6) { transition-delay: 0.21s; }
.testimonials-grid .reveal:nth-child(2) { transition-delay: 0.08s; }
.testimonials-grid .reveal:nth-child(3) { transition-delay: 0.16s; }
.testimonials-grid .reveal:nth-child(4) { transition-delay: 0.08s; }
.testimonials-grid .reveal:nth-child(5) { transition-delay: 0.16s; }
.testimonials-grid .reveal:nth-child(6) { transition-delay: 0.24s; }


/* ----------------------------------------------------------------
   5. NAVBAR
   ---------------------------------------------------------------- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0;
  transition: background var(--trans-normal), box-shadow var(--trans-normal), padding var(--trans-normal);
}

.navbar.scrolled {
  background: rgba(8,12,20,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border), 0 4px 20px rgba(0,0,0,0.3);
  padding: 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 22px 24px;
  transition: padding var(--trans-normal);
}
.navbar.scrolled .nav-container { padding-top: 14px; padding-bottom: 14px; }

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  transition: color var(--trans-fast);
}
.nav-logo:hover { color: var(--accent-primary); }
.logo-bracket { color: var(--accent-primary); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 7px 12px;
  border-radius: 8px;
  transition: color var(--trans-fast), background var(--trans-fast);
}
.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  background: rgba(255,255,255,0.05);
}
.nav-link.active { color: var(--accent-primary); }

.nav-cta { font-size: 0.85rem; padding: 9px 20px; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px; height: 40px;
  background: none;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: border-color var(--trans-fast);
}
.hamburger:hover { border-color: var(--accent-primary); }
.hamburger span {
  display: block;
  width: 20px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--trans-normal);
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 999;
  background: rgba(8,12,20,0.97);
  backdrop-filter: blur(24px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transform: translateY(-100%);
  transition: transform 0.4s cubic-bezier(0.22,1,0.36,1);
}
.mobile-menu.open { transform: none; }
.mobile-link {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-secondary);
  padding: 12px 32px;
  border-radius: 12px;
  transition: color var(--trans-fast), background var(--trans-fast);
}
.mobile-link:hover { color: var(--text-primary); background: rgba(255,255,255,0.04); }
.mobile-cta { margin-top: 24px; }


/* ----------------------------------------------------------------
   6. HERO SECTION
   ---------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 140px 24px 80px;
  max-width: var(--container-max);
  margin: 0 auto;
  gap: 48px;
  overflow: visible;
}

.hero-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: -2;
  opacity: 0.45;
}

/* Orbs */
.orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: -1;
}
.orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(108,117,250,0.22) 0%, transparent 70%);
  top: -100px; left: -100px;
  animation: orbFloat1 12s ease-in-out infinite;
}
.orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(167,139,250,0.15) 0%, transparent 70%);
  top: 30%; right: -80px;
  animation: orbFloat2 15s ease-in-out infinite;
}
.orb-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(52,211,153,0.1) 0%, transparent 70%);
  bottom: 10%; left: 40%;
  animation: orbFloat3 18s ease-in-out infinite;
}

@keyframes orbFloat1 {
  0%,100% { transform: translate(0,0) scale(1); }
  50%      { transform: translate(60px,40px) scale(1.1); }
}
@keyframes orbFloat2 {
  0%,100% { transform: translate(0,0) scale(1); }
  50%      { transform: translate(-40px,60px) scale(0.9); }
}
@keyframes orbFloat3 {
  0%,100% { transform: translate(0,0) scale(1); }
  50%      { transform: translate(40px,-30px) scale(1.15); }
}

/* Hero Content */
.hero-content {
  flex: 1;
  max-width: 620px;
  z-index: 1;
}

.hero-eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  padding: 7px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
  animation: fadeInDown 0.7s ease both;
}

.hero-heading {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin-bottom: 22px;
  animation: fadeInUp 0.7s ease 0.1s both;
}

.hero-subheading {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 520px;
  margin-bottom: 36px;
  animation: fadeInUp 0.7s ease 0.2s both;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 32px;
  animation: fadeInUp 0.7s ease 0.3s both;
}

.hero-badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  animation: fadeInUp 0.7s ease 0.4s both;
}
.badge {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  padding: 5px 12px;
  border-radius: 100px;
}

/* ---- Hero Photo ---- */
.hero-photo-wrap {
  flex-shrink: 0;
  width: 380px;
  position: relative;
  animation: fadeInRight 0.8s ease 0.3s both;
}

.hero-photo-frame {
  position: relative;
  border-radius: 24px;
  overflow: visible;
}

.hero-photo {
  width: 100%;
  height: 460px;
  object-fit: cover;
  object-position: top center;
  border-radius: 24px;
  border: 2px solid var(--border-light);
  display: block;
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-card), 0 0 60px rgba(108,117,250,0.15);
  /* Dark overlay to blend photo into dark theme */
  filter: brightness(0.92) contrast(1.05) saturate(0.9);
}

.hero-photo-glow {
  position: absolute;
  inset: -2px;
  border-radius: 26px;
  background: var(--gradient-main);
  z-index: 0;
  opacity: 0.35;
  filter: blur(18px);
  animation: glowPulse 4s ease-in-out infinite;
}

/* Floating badge pills on hero photo */
.photo-badge {
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 7px;
  background: rgba(13,18,32,0.88);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-light);
  border-radius: 100px;
  padding: 8px 14px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}
.photo-badge svg { color: var(--accent-primary); flex-shrink: 0; }

.badge-top-right {
  top: 20px;
  right: -18px;
  animation: badgeFloat 3s ease-in-out infinite;
}
.badge-bottom-left {
  bottom: 28px;
  left: -18px;
  animation: badgeFloat 3s ease-in-out 1.5s infinite;
}

.badge-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.badge-dot.green { background: #34d399; box-shadow: 0 0 6px #34d399; }

@keyframes badgeFloat {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-5px); }
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.72rem;
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  animation: fadeIn 1s ease 1s both;
  transition: color var(--trans-fast);
}
.scroll-indicator:hover { color: var(--accent-primary); }
.scroll-mouse {
  width: 22px; height: 34px;
  border: 1.5px solid currentColor;
  border-radius: 11px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}
.scroll-wheel {
  width: 3px; height: 7px;
  background: currentColor;
  border-radius: 2px;
  animation: scrollWheel 1.8s ease-in-out infinite;
}

@keyframes scrollWheel {
  0%   { transform: translateY(0); opacity: 1; }
  80%  { transform: translateY(10px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}


/* ----------------------------------------------------------------
   7. STATS BAR
   ---------------------------------------------------------------- */
.stats-bar {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 40px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat-item p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 6px;
  font-family: var(--font-display);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.stat-number {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.stat-plus {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}


/* ----------------------------------------------------------------
   8. ABOUT SECTION
   ---------------------------------------------------------------- */
.about { background: var(--bg-primary); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-visual { position: relative; }
.about-img-wrap {
  position: relative;
  border-radius: 20px;
  overflow: visible;
  margin-bottom: 24px;
}

.about-photo-frame {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 2px solid var(--border-light);
  box-shadow: var(--shadow-card), 0 0 50px rgba(108,117,250,0.12);
}

.about-photo {
  width: 100%;
  height: 480px;
  object-fit: cover;
  object-position: top center;
  display: block;
  filter: brightness(0.9) contrast(1.05) saturate(0.85);
  transition: transform 0.6s ease, filter 0.4s ease;
}
.about-photo-frame:hover .about-photo {
  transform: scale(1.03);
  filter: brightness(0.95) contrast(1.05) saturate(0.95);
}

/* Dark gradient overlay at bottom of about photo */
.about-photo-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 45%;
  background: linear-gradient(to top, rgba(8,12,20,0.85) 0%, transparent 100%);
  pointer-events: none;
}

/* Floating experience card on about photo */
.about-exp-card {
  position: absolute;
  bottom: 24px;
  right: -20px;
  background: rgba(13,18,32,0.92);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(108,117,250,0.3);
  border-radius: 16px;
  padding: 16px 20px;
  text-align: center;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  z-index: 2;
  animation: badgeFloat 4s ease-in-out infinite;
}
.exp-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.exp-label {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-top: 4px;
  line-height: 1.3;
}

.about-glow-ring {
  position: absolute;
  inset: -15px;
  border-radius: 24px;
  border: 1px solid rgba(108,117,250,0.15);
  pointer-events: none;
  animation: glowPulse 4s ease-in-out infinite;
}
@keyframes glowPulse {
  0%,100% { border-color: rgba(108,117,250,0.15); box-shadow: 0 0 20px rgba(108,117,250,0.05); }
  50%      { border-color: rgba(108,117,250,0.30); box-shadow: 0 0 40px rgba(108,117,250,0.12); }
}

.skill-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.chip {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 13px;
  border-radius: 100px;
  background: rgba(108,117,250,0.1);
  border: 1px solid rgba(108,117,250,0.2);
  color: var(--accent-primary);
  transition: all var(--trans-fast);
}
.chip:hover {
  background: rgba(108,117,250,0.2);
  transform: translateY(-2px);
}

.about-content { padding-right: 20px; }
.about-text {
  font-size: 1.02rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 18px;
}
.about-text strong { color: var(--text-primary); }
.about-text em { color: var(--accent-green); font-style: normal; font-weight: 600; }

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 28px 0 32px;
}
.about-highlights li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.highlight-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  margin-top: 2px;
}
.about-highlights strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}
.about-highlights div > span,
.about-highlights p { font-size: 0.88rem; color: var(--text-secondary); }

.about-cta-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}


/* ----------------------------------------------------------------
   9. SERVICES SECTION
   ---------------------------------------------------------------- */
.services { background: var(--bg-secondary); }
.services .section-header { text-align: center; }
.services .section-header .section-subtext { margin: 0 auto; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 24px;
  position: relative;
  transition: all var(--trans-normal);
  cursor: default;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gradient-main);
  transform: scaleX(0);
  transition: transform var(--trans-normal);
  transform-origin: left;
}
.service-card:hover {
  border-color: rgba(108,117,250,0.3);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card), 0 0 30px rgba(108,117,250,0.08);
}
.service-card:hover::before { transform: scaleX(1); }

.service-card-wide { grid-column: span 2; }

.service-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: rgba(108,117,250,0.1);
  border: 1px solid rgba(108,117,250,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  transition: all var(--trans-normal);
  flex-shrink: 0;
}
.service-icon svg { width: 22px; height: 22px; color: var(--accent-primary); }
.service-card:hover .service-icon {
  background: rgba(108,117,250,0.2);
  transform: scale(1.05);
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}
.service-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.service-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 100px;
  background: rgba(52,211,153,0.12);
  color: var(--accent-green);
  border: 1px solid rgba(52,211,153,0.25);
  margin-top: 14px;
}


/* ----------------------------------------------------------------
   10. PORTFOLIO SECTION
   ---------------------------------------------------------------- */
.portfolio { background: var(--bg-primary); }
.portfolio .section-header { text-align: center; }
.portfolio .section-header .section-subtext { margin: 0 auto; }

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

.portfolio-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: all var(--trans-normal);
}
.portfolio-card:hover {
  border-color: rgba(108,117,250,0.3);
  transform: translateY(-6px);
  box-shadow: var(--shadow-card), 0 0 40px rgba(108,117,250,0.1);
}

.portfolio-img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
}

/* Real portfolio thumbnail images */
.portfolio-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  transition: transform 0.5s ease, filter 0.4s ease;
  filter: brightness(0.92) saturate(0.9);
}
.portfolio-card:hover .portfolio-thumb {
  transform: scale(1.06);
  filter: brightness(0.75) saturate(0.7);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: rgba(8,12,20,0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--trans-normal);
  backdrop-filter: blur(4px);
}
.portfolio-card:hover .portfolio-overlay { opacity: 1; }
.portfolio-visit-btn { font-size: 0.85rem; padding: 10px 20px; }

.portfolio-info { padding: 20px; }
.portfolio-cat {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-primary);
  margin-bottom: 8px;
  display: block;
}
.portfolio-info h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.portfolio-info p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.65;
}


/* ----------------------------------------------------------------
   11. TESTIMONIALS
   ---------------------------------------------------------------- */
.testimonials {
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}
.testimonials .section-header { text-align: center; }
.testimonials .section-header .section-subtext { margin: 0 auto; }

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 24px;
  transition: all var(--trans-normal);
  position: relative;
}
.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 16px; right: 20px;
  font-size: 5rem;
  line-height: 1;
  color: rgba(108,117,250,0.08);
  font-family: Georgia, serif;
  pointer-events: none;
}
.testimonial-card:hover {
  border-color: rgba(108,117,250,0.25);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.stars { color: #f59e0b; font-size: 0.95rem; letter-spacing: 2px; margin-bottom: 14px; }

.testimonial-card blockquote {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.75;
  font-style: italic;
  margin-bottom: 20px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.author-avatar-img {
  width: 46px; height: 46px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(108,117,250,0.3);
  flex-shrink: 0;
}
.testimonial-author strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}
.testimonial-author span {
  font-size: 0.78rem;
  color: var(--text-muted);
}


/* ----------------------------------------------------------------
   12. CLIENT LOGOS
   ---------------------------------------------------------------- */
.clients {
  background: var(--bg-primary);
  padding: 60px 0;
  overflow: hidden;
}
.clients .section-header { text-align: center; margin-bottom: 40px; }
.clients .section-heading { font-size: clamp(1.4rem, 2.5vw, 2rem); }

.logos-track-wrapper {
  position: relative;
  overflow: hidden;
  /* fade edges */
  mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
}
.logos-track {
  display: flex;
  align-items: center;
  gap: 0;
  width: max-content;
  animation: logoScroll 30s linear infinite;
}
.logos-track:hover { animation-play-state: paused; }

.logo-item {
  flex-shrink: 0;
  padding: 16px 36px;
  color: var(--text-muted);
  transition: color var(--trans-normal);
  border-right: 1px solid var(--border);
}
.logo-item:hover { color: var(--text-secondary); }
.logo-item svg { width: 130px; height: 44px; }

@keyframes logoScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}


/* ----------------------------------------------------------------
   13. CONTACT SECTION
   ---------------------------------------------------------------- */
.contact { background: var(--bg-secondary); }
.contact .section-header { text-align: center; }
.contact .section-header .section-subtext { margin: 0 auto; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
  align-items: start;
}

/* Contact Info */
.contact-info-heading {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.contact-info-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 32px;
}

.contact-links { display: flex; flex-direction: column; gap: 14px; }
.contact-link-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  transition: all var(--trans-normal);
  cursor: pointer;
}
.contact-link-item:hover {
  border-color: rgba(108,117,250,0.35);
  background: var(--bg-card-hover);
  transform: translateX(4px);
}

.contact-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-icon svg { width: 20px; height: 20px; }
.email-icon    { background: rgba(108,117,250,0.1); border: 1px solid rgba(108,117,250,0.2); color: var(--accent-primary); }
.linkedin-icon { background: rgba(10,102,194,0.12); border: 1px solid rgba(10,102,194,0.25); color: #0a66c2; }
.fb-icon       { background: rgba(24,119,242,0.1);  border: 1px solid rgba(24,119,242,0.2);  color: #1877f2; }
.wa-icon       { background: rgba(37,211,102,0.1);  border: 1px solid rgba(37,211,102,0.2);  color: #25d366; }

.contact-link-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 2px;
}
.contact-link-value {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
}

/* Contact Form */
.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px;
}
.contact-form { display: flex; flex-direction: column; gap: 18px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-group { display: flex; flex-direction: column; gap: 7px; }

label {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
}

input, select, textarea {
  background: var(--bg-secondary);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.92rem;
  transition: border-color var(--trans-fast), box-shadow var(--trans-fast);
  outline: none;
  width: 100%;
}
input::placeholder, textarea::placeholder { color: var(--text-muted); }

input:focus, select:focus, textarea:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(108,117,250,0.1);
}

select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238a9bc4' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}
select option { background: var(--bg-secondary); }

textarea { resize: vertical; min-height: 120px; line-height: 1.6; }

.form-note {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: -4px;
}

/* Form Success State */
.form-success {
  text-align: center;
  padding: 40px 20px;
}
.form-success[hidden] { display: none; }
.success-icon {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: rgba(52,211,153,0.15);
  border: 2px solid var(--accent-green);
  color: var(--accent-green);
  font-size: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  animation: successPop 0.4s cubic-bezier(0.34,1.56,0.64,1);
}
.form-success h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}
.form-success p { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.7; }

@keyframes successPop {
  from { transform: scale(0.5); opacity: 0; }
  to   { transform: scale(1);   opacity: 1; }
}


/* ----------------------------------------------------------------
   14. FOOTER
   ---------------------------------------------------------------- */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
}
.footer-logo { display: inline-block; margin-bottom: 12px; }
.footer-tagline {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  max-width: 260px;
}

.footer-socials { display: flex; gap: 10px; }
.footer-social {
  width: 36px; height: 36px;
  border-radius: 9px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--trans-fast);
}
.footer-social svg { width: 16px; height: 16px; }
.footer-social:hover {
  background: rgba(108,117,250,0.1);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-2px);
}

.footer-links-col h4 {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-primary);
  margin-bottom: 18px;
}
.footer-links-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links-col a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: color var(--trans-fast);
}
.footer-links-col a:hover { color: var(--accent-primary); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}


/* ----------------------------------------------------------------
   15. FLOATING WHATSAPP BUTTON
   ---------------------------------------------------------------- */
.whatsapp-fab {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 900;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: all var(--trans-normal);
  animation: fabBounce 2s ease-in-out 2s infinite;
}
.whatsapp-fab svg { width: 28px; height: 28px; }
.whatsapp-fab:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37,211,102,0.55);
  animation: none;
}

.whatsapp-tooltip {
  position: absolute;
  right: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 8px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--trans-fast);
}
.whatsapp-fab:hover .whatsapp-tooltip { opacity: 1; }

@keyframes fabBounce {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-6px); }
}


/* ----------------------------------------------------------------
   16. KEYFRAME ANIMATIONS
   ---------------------------------------------------------------- */
@keyframes fadeIn      { from { opacity:0 } to { opacity:1 } }
@keyframes fadeInUp    { from { opacity:0; transform:translateY(24px) } to { opacity:1; transform:none } }
@keyframes fadeInDown  { from { opacity:0; transform:translateY(-20px) } to { opacity:1; transform:none } }
@keyframes fadeInRight { from { opacity:0; transform:translateX(40px) } to { opacity:1; transform:none } }


/* ----------------------------------------------------------------
   17. RESPONSIVE — TABLET (≤1024px)
   ---------------------------------------------------------------- */
@media (max-width: 1024px) {
  :root { --section-pad: 72px; }

  .hero {
    flex-direction: column;
    min-height: auto;
    padding-top: 120px;
    text-align: center;
    justify-content: center;
  }
  .hero-content { max-width: 100%; }
  .hero-subheading { margin: 0 auto 36px; }
  .hero-cta-group { justify-content: center; }
  .hero-badges { justify-content: center; }
  .hero-photo-wrap { width: 100%; max-width: 380px; margin: 0 auto; }
  .hero-photo { height: 380px; }
  .badge-top-right  { right: -8px; }
  .badge-bottom-left { left: -8px; }
  .scroll-indicator { display: none; }

  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-content { padding-right: 0; }
  .about-photo { height: 380px; }
  .about-exp-card { right: 12px; }

  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .service-card-wide { grid-column: span 2; }

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

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

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

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}


/* ----------------------------------------------------------------
   18. RESPONSIVE — MOBILE (≤768px)
   ---------------------------------------------------------------- */
@media (max-width: 768px) {
  :root { --section-pad: 56px; }

  /* Navbar */
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }

  /* Hero */
  .hero { padding: 100px 20px 60px; gap: 36px; }
  .hero-heading { font-size: clamp(1.9rem, 7vw, 2.6rem); }
  .hero-card { width: 100%; }
  .dev-card { font-size: 0.72rem; }

  /* Stats */
  .stats-grid { grid-template-columns: repeat(2, 1fr); }

  /* Services */
  .services-grid { grid-template-columns: 1fr; }
  .service-card-wide { grid-column: span 1; }

  /* Portfolio */
  .portfolio-grid { grid-template-columns: 1fr; }

  /* Testimonials */
  .testimonials-grid { grid-template-columns: 1fr; }

  /* Contact form row */
  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 24px 20px; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }

  /* WhatsApp FAB */
  .whatsapp-fab { bottom: 20px; right: 20px; width: 50px; height: 50px; }
  .whatsapp-fab svg { width: 24px; height: 24px; }
}


/* ----------------------------------------------------------------
   19. RESPONSIVE — SMALL MOBILE (≤480px)
   ---------------------------------------------------------------- */
@media (max-width: 480px) {
  .hero-heading { font-size: 1.85rem; }
  .hero-cta-group { flex-direction: column; width: 100%; }
  .btn-lg { width: 100%; justify-content: center; }
  .about-cta-row { flex-direction: column; }
  .about-cta-row .btn { width: 100%; justify-content: center; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .section-heading { font-size: 1.6rem; }
}