/* ===================================================
   Salih Demirci Portfolio — style.css
   =================================================== */

/* --- CSS Variables --- */
:root {
  --color-bg:       #050b1f;
  --color-bg2:      #080e24;
  --color-surface:  #0d1535;
  --color-border:   rgba(99, 102, 241, 0.15);
  --color-text:     #e2e8f0;
  --color-muted:    #8892a4;
  --color-accent1:  #6366f1;
  --color-accent2:  #3b82f6;
  --color-accent3:  #a78bfa;
  --gradient-main:  linear-gradient(135deg, #6366f1, #3b82f6);
  --gradient-glow:  linear-gradient(135deg, rgba(99,102,241,0.2), rgba(59,130,246,0.2));
  --radius-sm:  8px;
  --radius-md:  16px;
  --radius-lg:  24px;
  --radius-xl:  32px;
  --shadow-sm:  0 2px 8px rgba(0,0,0,0.3);
  --shadow-md:  0 8px 32px rgba(0,0,0,0.4);
  --shadow-lg:  0 24px 64px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 40px rgba(99,102,241,0.25);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Poppins', system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

/* --- Utility --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-padding { padding: 100px 0; }
.dark-section { background-color: var(--color-bg2); }

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

.glass-card {
  background: rgba(13, 21, 53, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  transition: var(--transition);
  white-space: nowrap;
  cursor: pointer;
  border: none;
  text-decoration: none;
}

.btn svg { width: 18px; height: 18px; }

.btn-primary {
  background: var(--gradient-main);
  color: #fff;
  box-shadow: 0 4px 20px rgba(99,102,241,0.4);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(99,102,241,0.55);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid rgba(99,102,241,0.4);
}
.btn-outline:hover {
  border-color: var(--color-accent1);
  background: rgba(99,102,241,0.08);
  transform: translateY(-2px);
}

.btn-sm { padding: 10px 20px; font-size: 0.85rem; }
.btn-full { width: 100%; justify-content: center; }

/* --- Section Header --- */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  background: var(--gradient-glow);
  border: 1px solid var(--color-border);
  color: var(--color-accent1);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.section-header h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--color-muted);
  max-width: 580px;
  margin: 0 auto;
}

/* ============================================================
   NAVBAR
   ============================================================ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: var(--transition);
  padding: 0;
}

#navbar.scrolled {
  background: rgba(5, 11, 31, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-logo {
  display: flex;
  align-items: center;
  margin-right: auto;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  display: block;
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-muted);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--color-text);
  background: rgba(99,102,241,0.1);
}

.nav-cta { display: none; }

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  gap: 5px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 100px 0 60px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.25;
  animation: blobFloat 8s ease-in-out infinite;
}
.blob-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #6366f1, #4f46e5);
  top: -100px; left: -100px;
  animation-delay: 0s;
}
.blob-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #3b82f6, #1d4ed8);
  top: 50%; right: -80px;
  animation-delay: -3s;
}
.blob-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, #a78bfa, #7c3aed);
  bottom: -50px; left: 40%;
  animation-delay: -6s;
}

@keyframes blobFloat {
  0%, 100% { transform: translateY(0) scale(1); }
  33%       { transform: translateY(-20px) scale(1.05); }
  66%       { transform: translateY(10px) scale(0.95); }
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99,102,241,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,0.06) 1px, transparent 1px);
  background-size: 50px 50px;
}

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

.hero-content { display: flex; flex-direction: column; gap: 24px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.25);
  color: var(--color-accent3);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 50px;
  width: fit-content;
}

.badge-dot {
  width: 8px; height: 8px;
  background: #22c55e;
  border-radius: 50%;
  box-shadow: 0 0 8px #22c55e;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.7; transform: scale(1.3); }
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-accent3);
  letter-spacing: 0.02em;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--color-muted);
  max-width: 520px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  padding-top: 8px;
}

.stat-item { text-align: left; }
.stat-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.stat-label { font-size: 0.78rem; color: var(--color-muted); margin-top: 4px; }
.stat-divider { width: 1px; height: 40px; background: var(--color-border); }

/* Hero Visual */
.hero-visual { display: flex; justify-content: center; align-items: center; }

.hero-image-frame {
  position: relative;
  width: 420px;
  height: 420px;
}

.hero-avatar {
  width: 380px;
  height: 380px;
  object-fit: cover;
  border-radius: var(--radius-xl);
  border: 2px solid var(--color-border);
  box-shadow: var(--shadow-glow);
  margin: 20px auto 0;
}

.floating-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(13,21,53,0.9);
  backdrop-filter: blur(20px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text);
  box-shadow: var(--shadow-md);
  animation: cardFloat 4s ease-in-out infinite;
}
.floating-card svg { width: 18px; height: 18px; color: var(--color-accent1); }

.card-wp    { top: 20px;  left: -20px; animation-delay: 0s; }
.card-ads   { bottom: 80px; left: -30px; animation-delay: -1.5s; color: #1877f2; }
.card-ads svg { color: #1877f2; }
.card-mobile { top: 50px; right: -20px; animation-delay: -3s; }

@keyframes cardFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  width: 28px; height: 46px;
  border: 2px solid rgba(99,102,241,0.3);
  border-radius: 14px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}
.scroll-dot {
  width: 4px; height: 10px;
  background: var(--gradient-main);
  border-radius: 2px;
  animation: scrollDot 2s ease-in-out infinite;
}
@keyframes scrollDot {
  0%   { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(12px); }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-text p { color: var(--color-muted); font-size: 1rem; line-height: 1.8; }

.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skill-tag {
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.2);
  color: var(--color-accent3);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 50px;
  transition: var(--transition);
}
.skill-tag:hover {
  background: rgba(99,102,241,0.2);
  border-color: var(--color-accent1);
}

.experience-card {
  padding: 32px;
  position: sticky;
  top: 96px;
}

.exp-items { display: flex; flex-direction: column; gap: 24px; }

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

.exp-icon {
  font-size: 1.8rem;
  flex-shrink: 0;
  width: 48px; height: 48px;
  background: rgba(99,102,241,0.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.exp-item strong {
  display: block;
  font-weight: 600;
  margin-bottom: 4px;
  font-size: 0.95rem;
}
.exp-item p { color: var(--color-muted); font-size: 0.85rem; line-height: 1.5; }

/* ============================================================
   SERVICES
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  padding: 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  right: 0; height: 2px;
  background: var(--gradient-main);
  opacity: 0;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(99,102,241,0.35);
  box-shadow: var(--shadow-glow);
}
.service-card:hover::before { opacity: 1; }

.service-icon {
  width: 52px; height: 52px;
  background: var(--gradient-glow);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.service-icon svg { width: 24px; height: 24px; color: var(--color-accent1); }

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.service-card > p {
  color: var(--color-muted);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.service-list { display: flex; flex-direction: column; gap: 8px; }
.service-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--color-muted);
}
.service-list li::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--gradient-main);
  border-radius: 50%;
  flex-shrink: 0;
}

.featured-card {
  background: linear-gradient(135deg, rgba(99,102,241,0.12), rgba(59,130,246,0.08));
  border-color: rgba(99,102,241,0.3);
}

.card-badge {
  position: absolute;
  top: 20px; right: 20px;
  background: var(--gradient-main);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 50px;
}

/* ============================================================
   PORTFOLIO
   ============================================================ */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.project-card {
  background: rgba(13,21,53,0.6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(99,102,241,0.35);
  box-shadow: var(--shadow-glow);
}

.project-image {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.project-mockup {
  width: 100%;
  height: 100%;
  background: var(--color-surface);
  display: flex;
  flex-direction: column;
}

.mockup-bar {
  height: 30px;
  background: rgba(0,0,0,0.3);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 6px;
  flex-shrink: 0;
}
.mockup-bar span {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
}
.mockup-bar span:nth-child(1) { background: #ff5f57; }
.mockup-bar span:nth-child(2) { background: #febc2e; }
.mockup-bar span:nth-child(3) { background: #28c840; }

.mockup-content { flex: 1; overflow: hidden; }

.mc-header {
  height: 70px;
  width: 100%;
}

.mc-body {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mc-line {
  height: 10px;
  border-radius: 5px;
  background: rgba(255,255,255,0.08);
}
.mc-line.wide { width: 70%; }
.mc-line.medium { width: 45%; }

.mc-cards {
  display: flex;
  gap: 8px;
}
.mc-card {
  flex: 1;
  height: 55px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.06);
}

.mc-app-icon {
  font-size: 2rem;
  text-align: center;
}

.mc-form { display: flex; flex-direction: column; gap: 6px; }
.mc-input {
  height: 22px;
  border-radius: 4px;
  background: rgba(255,255,255,0.07);
}
.mc-btn {
  height: 26px;
  border-radius: 4px;
  background: linear-gradient(90deg, rgba(247,151,30,0.5), rgba(255,210,0,0.5));
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(5,11,31,0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
  backdrop-filter: blur(4px);
}
.project-card:hover .project-overlay { opacity: 1; }

.project-info { padding: 24px; }

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.tag {
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.2);
  color: var(--color-accent3);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.project-info h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.featured-badge {
  font-size: 0.65rem;
  font-family: var(--font-body);
  background: var(--gradient-main);
  color: #fff;
  padding: 3px 10px;
  border-radius: 50px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.project-info > p {
  color: var(--color-muted);
  font-size: 0.88rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-accent1);
  transition: var(--transition);
}
.project-link svg { width: 14px; height: 14px; }
.project-link:hover { gap: 10px; color: var(--color-accent3); }

.featured-project {
  border-color: rgba(99,102,241,0.3);
  background: linear-gradient(135deg, rgba(99,102,241,0.06), rgba(13,21,53,0.7));
}

/* ============================================================
   CONTACT
   ============================================================ */

/* Yatay iletişim kartları */
.contact-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 28px 24px;
  text-decoration: none;
  color: var(--color-text);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.contact-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gradient-main);
  opacity: 0;
  transition: var(--transition);
}

.contact-card:hover {
  transform: translateY(-6px);
  border-color: rgba(99,102,241,0.35);
  box-shadow: var(--shadow-glow);
  color: var(--color-text);
}
.contact-card:hover::before { opacity: 1; }
.contact-card:hover .contact-card-arrow { opacity: 1; transform: translate(2px, -2px); }

.contact-icon {
  width: 52px; height: 52px;
  background: rgba(99,102,241,0.1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
}
.contact-icon svg { width: 22px; height: 22px; color: var(--color-accent1); }

.contact-icon-green {
  background: rgba(34,197,94,0.1);
  border-color: rgba(34,197,94,0.2);
}
.contact-icon-green svg { color: #4ade80; }

.contact-card:hover .contact-icon {
  background: rgba(99,102,241,0.18);
}

.contact-card-body {
  flex: 1;
  min-width: 0;
}

.contact-card-body strong {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.contact-card-body span {
  display: block;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.contact-card-arrow {
  width: 20px; height: 20px;
  opacity: 0.3;
  transition: var(--transition);
  flex-shrink: 0;
}
.contact-card-arrow svg { width: 18px; height: 18px; color: var(--color-accent1); }

/* Availability badge — ortalanmış */
.contact-availability {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: rgba(34,197,94,0.08);
  border: 1px solid rgba(34,197,94,0.2);
  color: #4ade80;
  font-size: 0.88rem;
  font-weight: 500;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  max-width: 400px;
  margin: 0 auto;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: 28px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: center;
}

.designer-credit {
  font-size: 0.88rem;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: center;
}

.heart-icon {
  color: #e74c3c;
  font-style: normal;
  font-size: 1rem;
  display: inline-block;
  animation: heartbeat 1.6s ease-in-out infinite;
}

@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  14%       { transform: scale(1.2); }
  28%       { transform: scale(1); }
  42%       { transform: scale(1.15); }
  56%       { transform: scale(1); }
}

.designer-credit a {
  color: var(--color-accent3);
  font-weight: 600;
  transition: var(--transition);
}
.designer-credit a:hover { color: var(--color-accent1); }

/* Back to top */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 46px; height: 46px;
  background: var(--gradient-main);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(99,102,241,0.4);
  transition: var(--transition);
  z-index: 900;
}
.back-to-top[hidden] { display: none; }
.back-to-top:hover { transform: translateY(-3px); }
.back-to-top svg { width: 20px; height: 20px; }

/* ============================================================
   ANIMATIONS
   ============================================================ */

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%       { transform: translateX(-8px); }
  40%       { transform: translateX(8px); }
  60%       { transform: translateX(-5px); }
  80%       { transform: translateX(5px); }
}

@keyframes spin {
  to { stroke-dashoffset: 0; transform: rotate(360deg); }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; text-align: center; }
  .hero-content { align-items: center; }
  .hero-desc, .hero-badge, .hero-stats, .hero-actions { margin: 0 auto; }
  .hero-visual { justify-content: center; }
}

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

  /* Navbar mobile */
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: rgba(5,11,31,0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    gap: 0;
    padding: 16px 0 32px;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    z-index: 999;
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  .nav-link { padding: 14px 24px; width: 100%; border-radius: 0; font-size: 1rem; }
  .nav-cta { display: none; }

  .hero-inner { padding-top: 20px; }
  .hero-title { font-size: clamp(2rem, 8vw, 2.8rem); }
  .hero-stats { gap: 20px; }
  .stat-number { font-size: 1.5rem; }

  .hero-image-frame { width: 320px; height: 320px; }
  .hero-avatar { width: 290px; height: 290px; }

  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .experience-card { position: static; }

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

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

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

  .footer-inner { flex-direction: column; text-align: center; }
  .footer-nav { justify-content: center; }

  .back-to-top { bottom: 20px; right: 20px; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .stat-divider { width: 40px; height: 1px; }
}