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

:root {
  --bg-primary: #0B1220;
  --bg-secondary: #0F1A2E;
  --bg-card: #111D33;
  --bg-card-hover: #162240;
  --border-color: rgba(56, 189, 248, 0.08);
  --border-hover: rgba(56, 189, 248, 0.2);
  --text-primary: #F0F4FF;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --accent-blue: #38BDF8;
  --accent-cyan: #22D3EE;
  --accent-indigo: #818CF8;
  --gradient-primary: linear-gradient(135deg, #38BDF8, #22D3EE);
  --gradient-glow: linear-gradient(135deg, rgba(56, 189, 248, 0.3), rgba(34, 211, 238, 0.1));
  --gradient-bg: linear-gradient(180deg, #0B1220 0%, #0F1A2E 50%, #0B1220 100%);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --max-width: 1200px;
  --nav-height: 72px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: rgba(56, 189, 248, 0.3);
  color: #fff;
}

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

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== SECTION COMMON ===== */
.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.section-header.visible {
  opacity: 1;
  transform: translateY(0);
}

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-blue);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.15);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text-primary);
}

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

.section-divider {
  width: 48px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 2px;
  margin: 20px auto 0;
}

/* ===== FADE IN ANIM ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  border-bottom: 1px solid transparent;
}

.navbar-scrolled {
  background: rgba(11, 18, 32, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(56, 189, 248, 0.06);
  box-shadow: 0 1px 0 rgba(56, 189, 248, 0.05);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

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

.logo-img {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  object-fit: cover;
}

.logo-text {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo-accent {
  color: var(--accent-blue);
  margin-left: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s ease;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 2px;
  transition: width 0.3s ease;
}

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

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

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% -20%, rgba(56, 189, 248, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 80%, rgba(34, 211, 238, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse 50% 40% at 20% 70%, rgba(129, 140, 248, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(56, 189, 248, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 1;
  width: 100%;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--accent-blue);
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.12);
  padding: 8px 16px;
  border-radius: 100px;
  width: fit-content;
  animation: fadeUp 0.6s ease forwards;
}

.hero-title {
  display: flex;
  flex-direction: column;
  gap: 0;
  animation: fadeUp 0.6s ease 0.1s forwards;
  opacity: 0;
}

.hero-title-line {
  font-size: clamp(2.8rem, 8vw, 5.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.hero-title-accent {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 520px;
  line-height: 1.7;
  animation: fadeUp 0.6s ease 0.2s forwards;
  opacity: 0;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeUp 0.6s ease 0.3s forwards;
  opacity: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #0B1220;
  box-shadow: 0 4px 20px rgba(56, 189, 248, 0.25);
}

.btn-primary:hover {
  box-shadow: 0 6px 30px rgba(56, 189, 248, 0.4);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.hero-visual {
  display: flex;
  justify-content: center;
  animation: fadeUp 0.6s ease 0.4s forwards;
  opacity: 0;
}

.hero-code-window {
  width: 100%;
  max-width: 440px;
  background: rgba(15, 26, 46, 0.7);
  border: 1px solid rgba(56, 189, 248, 0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  backdrop-filter: blur(8px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 80px rgba(56, 189, 248, 0.04);
}

.code-header {
  display: flex;
  gap: 8px;
  padding: 14px 16px;
  background: rgba(0, 0, 0, 0.25);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.code-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.code-dot.red { background: #FF5F56; }
.code-dot.yellow { background: #FFBD2E; }
.code-dot.green { background: #27C93F; }

.code-body {
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.code-keyword { color: #FF79C6; }
.code-variable { color: #F8F8F2; }
.code-operator { color: #FF79C6; }
.code-function { color: #50FA7B; }
.code-property { color: #66D9EF; }
.code-string { color: #F1FA8C; }
.code-boolean { color: #AE81FF; }
.code-comment { color: #6272A4; }

.hero-scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  animation: fadeUp 0.6s ease 0.6s forwards;
  opacity: 0;
}

.scroll-text {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--text-muted);
}

.scroll-line {
  width: 1px;
  height: 32px;
  background: linear-gradient(to bottom, var(--accent-blue), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
  50% { opacity: 1; transform: scaleY(1); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== ABOUT ===== */
.about {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.about-content {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.about-paragraph {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.stat-item {
  background: rgba(56, 189, 248, 0.04);
  border: 1px solid rgba(56, 189, 248, 0.06);
  border-radius: var(--radius-md);
  padding: 20px 16px;
  text-align: center;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.stat-item:hover {
  border-color: rgba(56, 189, 248, 0.15);
  background: rgba(56, 189, 248, 0.06);
}

.stat-number {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.about-visual {
  display: flex;
  justify-content: center;
}

.about-code-snippet {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 2;
  padding: 28px;
  background: rgba(15, 26, 46, 0.6);
  border: 1px solid rgba(56, 189, 248, 0.08);
  border-radius: var(--radius-lg);
  color: var(--text-secondary);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

/* ===== SERVICES ===== */
.services {
  background: var(--bg-primary);
  position: relative;
}

.services::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.1), transparent);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.2), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.service-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3), 0 0 40px rgba(56, 189, 248, 0.04);
}

.service-card:hover::before {
  opacity: 1;
}

.service-card:hover .service-icon {
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent-blue);
}

.service-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(56, 189, 248, 0.06);
  color: var(--accent-cyan);
  border: 1px solid rgba(56, 189, 248, 0.08);
  transition: all 0.3s ease;
}

.service-title {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.service-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
}

.service-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.service-tech span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 4px 10px;
  border-radius: 100px;
  background: rgba(56, 189, 248, 0.06);
  border: 1px solid rgba(56, 189, 248, 0.08);
  color: var(--text-muted);
}

/* ===== PROJECTS ===== */
.projects {
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  position: relative;
}

.projects::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.1), transparent);
}

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

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.project-glow {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 50% 0%, rgba(56, 189, 248, 0.04), transparent 60%);
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.project-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3), 0 0 40px rgba(56, 189, 248, 0.04);
}

.project-card:hover .project-glow {
  opacity: 1;
}

.project-badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: 6px 14px;
  border-radius: 100px;
  width: fit-content;
}

.project-badge.production {
  color: #4ADE80;
  background: rgba(74, 222, 128, 0.1);
  border: 1px solid rgba(74, 222, 128, 0.15);
}

.project-badge.beta {
  color: #FBBF24;
  background: rgba(251, 191, 36, 0.1);
  border: 1px solid rgba(251, 191, 36, 0.15);
}

.project-content {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.project-title {
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.project-desc {
  font-size: 0.925rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.project-techs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.project-techs span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 4px 10px;
  border-radius: 100px;
  background: rgba(56, 189, 248, 0.06);
  border: 1px solid rgba(56, 189, 248, 0.08);
  color: var(--text-muted);
}

.project-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status-dot.active {
  background: #4ADE80;
  box-shadow: 0 0 8px rgba(74, 222, 128, 0.5);
  animation: pulseDot 2s ease-in-out infinite;
}

.status-dot.beta-dot {
  background: #FBBF24;
  box-shadow: 0 0 8px rgba(251, 191, 36, 0.5);
  animation: pulseDot 2s ease-in-out infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.status-text {
  font-size: 0.825rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ===== PROJECT LINK BUTTON ===== */
.project-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  color: #0B1220;
  text-decoration: none;
  transition: all 0.25s ease;
  width: fit-content;
  margin-top: 8px;
}

.project-link-btn:hover {
  box-shadow: 0 4px 20px rgba(56, 189, 248, 0.3);
  transform: translateY(-2px);
}

.project-link-btn svg {
  transition: transform 0.25s ease;
}

.project-link-btn:hover svg {
  transform: translate(2px, -2px);
}

/* ===== CONTACT ===== */
.contact {
  background: var(--bg-primary);
  position: relative;
}

.contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.1), transparent);
}

.contact-content {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 40px;
  align-items: center;
  text-align: center;
}

.contact-intro {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  transition: all 0.3s ease;
  text-align: left;
}

.contact-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateX(4px);
}

.contact-card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(56, 189, 248, 0.06);
  color: var(--accent-blue);
  border: 1px solid rgba(56, 189, 248, 0.08);
  flex-shrink: 0;
}

.contact-card-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-card-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-card-email {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  word-break: break-all;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid rgba(56, 189, 248, 0.06);
  position: relative;
  overflow: hidden;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 32px;
  padding: 48px 24px 32px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-logo {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: cover;
}

.footer-brand-text {
  display: flex;
  flex-direction: column;
}

.footer-brand-text strong {
  font-size: 0.95rem;
  font-weight: 700;
}

.footer-brand-text span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--accent-blue);
}

.footer-copyright p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-bar {
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-blue), var(--accent-cyan), transparent);
  opacity: 0.3;
}

/* ===== FOOTER GRID ===== */
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-col-title {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.footer-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-top: 4px;
}

.footer-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-list a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

.footer-list a:hover {
  color: var(--accent-blue);
}

/* ===== FORM SECTION ===== */
.form-section {
  background: var(--bg-primary);
  position: relative;
}

.form-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.1), transparent);
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 16px auto 0;
  line-height: 1.7;
}

/* ===== FORM CARD ===== */
.form-card {
  max-width: 800px;
  margin: 0 auto;
  background: rgba(15, 26, 46, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(56, 189, 248, 0.12);
  border-radius: 20px;
  padding: 40px 36px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 80px rgba(56, 189, 248, 0.04);
}

.form-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group-full {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-sans);
  font-size: 0.925rem;
  padding: 14px 16px;
  border-radius: 10px;
  border: 1px solid rgba(56, 189, 248, 0.08);
  background: #0A1628;
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #4A5568;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.1);
}

.form-group select {
  cursor: pointer;
  appearance: none;
  -webkit-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='%2322D3EE' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 44px;
}

.form-group select option {
  background: #0A1628;
  color: var(--text-primary);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-actions {
  display: flex;
  justify-content: center;
  margin-top: 8px;
}

.form-submit {
  padding: 16px 48px;
  font-size: 1rem;
  border-radius: 10px;
}

.form-submit:hover {
  box-shadow: 0 6px 30px rgba(56, 189, 248, 0.4);
  transform: translateY(-2px);
}

.form-success {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
  padding: 48px 32px;
  background: rgba(15, 26, 46, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(56, 189, 248, 0.12);
  border-radius: 20px;
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 80px rgba(56, 189, 248, 0.04);
}

.form-success-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent-cyan);
  border: 1px solid rgba(56, 189, 248, 0.15);
}

.form-success p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== RESPONSIVE ===== */

/* Tablet: up to 1024px */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content {
    align-items: center;
  }

  .hero-subtitle {
    max-width: 100%;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-visual {
    display: none;
  }

  .about-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about-stats {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

  .contact-card {
    text-align: center;
    justify-content: center;
  }

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

/* Mobile: up to 768px */
@media (max-width: 768px) {
  .section {
    padding: 64px 0;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(11, 18, 32, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid rgba(56, 189, 248, 0.06);
    transform: translateY(-100%);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    pointer-events: none;
  }

  .nav-links.nav-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .menu-toggle {
    display: flex;
  }

  .hero-title-line {
    font-size: clamp(2rem, 12vw, 3rem);
  }

  .about-stats {
    grid-template-columns: 1fr;
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .project-card {
    padding: 28px 20px;
  }

  .contact-channels {
    gap: 12px;
  }

  .contact-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 20px 16px;
  }

  .contact-card-info {
    align-items: center;
  }

  .btn {
    padding: 12px 24px;
    font-size: 0.85rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .form-card {
    padding: 24px 20px;
  }

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

/* Small mobile: up to 480px */
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .section-title {
    font-size: 1.65rem;
  }

  .stat-number {
    font-size: 1.3rem;
  }
}