/* ═══════════════════════════════════════════════════════════
   ALTARI GROUP — Design System (Light Mode)
   A Scandinavian Investment & Technology Group
   ═══════════════════════════════════════════════════════════ */

/* ── Imports ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* ── CSS Custom Properties ── */
:root {
  /* Colors — Light Base */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fb;
  --bg-tertiary: #f0f2f6;
  --bg-card: #ffffff;
  --bg-card-hover: #fafbfc;
  --bg-glass: rgba(255, 255, 255, 0.7);

  /* Text */
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #94a3b8;
  --text-accent: #2563eb;

  /* Accents */
  --accent-blue: #2563eb;
  --accent-sky: #0ea5e9;
  --accent-indigo: #6366f1;
  --accent-purple: #8b5cf6;
  --accent-emerald: #059669;
  --accent-rose: #e11d48;

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #f8f9fb 0%, #eef2f7 50%, #e8edf5 100%);
  --gradient-accent: linear-gradient(135deg, #2563eb, #6366f1);
  --gradient-subtle: linear-gradient(135deg, #eef2ff, #ede9fe);

  /* Borders */
  --border-subtle: rgba(15, 23, 42, 0.06);
  --border-light: rgba(15, 23, 42, 0.1);
  --border-medium: rgba(15, 23, 42, 0.15);

  /* Spacing */
  --section-padding: clamp(5rem, 12vw, 9rem);
  --container-max: 1100px;
  --container-padding: clamp(1.25rem, 4vw, 2.5rem);

  /* Typography */
  --font-heading: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 1px 4px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 8px 30px rgba(15, 23, 42, 0.08);
  --shadow-xl: 0 16px 48px rgba(15, 23, 42, 0.1);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-fast: 200ms var(--ease-out);
  --transition-base: 400ms var(--ease-out);
  --transition-slow: 600ms var(--ease-out);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Ambient side gradients for depth — prevents flat white feel */
body::before,
body::after {
  content: '';
  position: fixed;
  width: 45vw;
  height: 100vh;
  top: 0;
  pointer-events: none;
  z-index: 0;
}

body::before {
  left: 0;
  background: radial-gradient(ellipse at 0% 50%, rgba(37, 99, 235, 0.025) 0%, transparent 65%);
}

body::after {
  right: 0;
  background: radial-gradient(ellipse at 100% 30%, rgba(99, 102, 241, 0.02) 0%, transparent 65%);
}

/* Make sure all content sits above the body gradients */
.navbar, .hero, .section, .footer {
  position: relative;
  z-index: 1;
}

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

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

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  color: inherit;
}

ul, ol {
  list-style: none;
}

/* ── Container ── */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ── Section ── */
.section {
  padding: var(--section-padding) 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 4rem;
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-blue);
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ═══ NAVIGATION ═══ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  padding: 0.6rem 0;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-xs);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.015em;
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-blue);
  transition: width var(--transition-base);
  border-radius: 4px;
}

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

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

.nav-cta {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.55rem 1.4rem;
  border-radius: 100px;
  background: var(--text-primary);
  color: #fff;
  transition: all var(--transition-fast);
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  opacity: 0.9;
}

/* Language toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  background: var(--bg-tertiary);
  border-radius: 100px;
  padding: 3px;
  border: 1px solid var(--border-subtle);
}

.lang-btn {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: 100px;
  transition: all var(--transition-fast);
  color: var(--text-tertiary);
}

.lang-btn.active {
  background: var(--bg-primary);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.lang-btn:hover:not(.active) {
  color: var(--text-secondary);
}

/* Mobile menu */
.nav-mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.nav-mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* ═══ HERO ═══ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 12rem 0 6rem;
  padding-top: max(12rem, 22vh);
  background: var(--gradient-hero);
}

/* Hero background image — very subtle, just adds texture */
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: url('/assets/hero-bg.png');
  background-size: cover;
  background-position: center;
  opacity: 0.12;
}

.hero-bg::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.05) 0%, transparent 70%);
  animation: heroFloat1 12s ease-in-out infinite alternate;
}

.hero-bg::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.04) 0%, transparent 70%);
  animation: heroFloat2 14s ease-in-out infinite alternate;
}

@keyframes heroFloat1 {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-30px, 20px) scale(1.1); }
}

@keyframes heroFloat2 {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(20px, -15px) scale(1.1); }
}

.hero-grid {
  position: absolute;
  inset: 0;
  /* Hexagon pattern via inline SVG */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='100' viewBox='0 0 56 100'%3E%3Cpath d='M28 66L0 50L0 16L28 0L56 16L56 50L28 66L28 100' fill='none' stroke='rgba(15,23,42,0.03)' stroke-width='1'/%3E%3Cpath d='M28 0L28 34L0 50L0 84L28 100L56 84L56 50L28 34' fill='none' stroke='rgba(15,23,42,0.03)' stroke-width='1'/%3E%3C/svg%3E");
  background-size: 56px 100px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 35%, black 15%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 35%, black 15%, transparent 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 750px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0;
  padding: 0.4rem 1.2rem;
  border-radius: 100px;
  background: rgba(37, 99, 235, 0.06);
  border: 1px solid rgba(37, 99, 235, 0.1);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--accent-blue);
  margin-bottom: 2rem;
  animation: fadeUp 0.8s var(--ease-out) both;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.035em;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  animation: fadeUp 0.8s var(--ease-out) 0.12s both;
}

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

.hero-subtitle {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 560px;
  margin: 0 auto 2.5rem;
  animation: fadeUp 0.8s var(--ease-out) 0.24s both;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  animation: fadeUp 0.8s var(--ease-out) 0.36s both;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  border-radius: 100px;
  font-size: 0.92rem;
  font-weight: 600;
  background: var(--text-primary);
  color: #fff;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  opacity: 0.92;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  border-radius: 100px;
  font-size: 0.92rem;
  font-weight: 600;
  background: transparent;
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background: var(--bg-tertiary);
  transform: translateY(-2px);
}

/* Hero scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-tertiary);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  animation: fadeUp 0.8s var(--ease-out) 0.6s both;
}

.scroll-line {
  width: 1px;
  height: 36px;
  background: linear-gradient(to bottom, var(--text-tertiary), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.3; transform: scaleY(0.6); }
}

/* ═══ PORTFOLIO — STACKED LAYOUT ═══ */
.portfolio {
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.portfolio::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-light), transparent);
}

/* Subtle hexagon pattern overlay for portfolio section */
.portfolio::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='100' viewBox='0 0 56 100'%3E%3Cpath d='M28 66L0 50L0 16L28 0L56 16L56 50L28 66L28 100' fill='none' stroke='rgba(15,23,42,0.018)' stroke-width='1'/%3E%3Cpath d='M28 0L28 34L0 50L0 84L28 100L56 84L56 50L28 34' fill='none' stroke='rgba(15,23,42,0.018)' stroke-width='1'/%3E%3C/svg%3E");
  background-size: 56px 100px;
  mask-image: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.3) 15%, rgba(0,0,0,0.3) 85%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.3) 15%, rgba(0,0,0,0.3) 85%, transparent 100%);
  pointer-events: none;
  z-index: 0;
}

/* Decorative ambient glows for portfolio depth */
.portfolio-items {
  position: relative;
  z-index: 1;
}

/* Each portfolio item — full width, alternating direction */
.portfolio-items {
  display: flex;
  flex-direction: column;
  gap: 8rem;
}

.portfolio-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.portfolio-item:nth-child(even) {
  direction: rtl;
}

.portfolio-item:nth-child(even) > * {
  direction: ltr;
}

.portfolio-item-info {
  display: flex;
  flex-direction: column;
}

.portfolio-item-badge {
  display: inline-flex;
  align-self: flex-start;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.3rem 0.8rem;
  border-radius: 100px;
  margin-bottom: 1.25rem;
}

.portfolio-item-badge[data-category="fintech"] {
  background: rgba(37, 99, 235, 0.07);
  color: var(--accent-blue);
  border: 1px solid rgba(37, 99, 235, 0.12);
}

.portfolio-item-badge[data-category="saas"] {
  background: rgba(99, 102, 241, 0.07);
  color: var(--accent-indigo);
  border: 1px solid rgba(99, 102, 241, 0.12);
}

.portfolio-item-badge[data-category="infrastructure"] {
  background: rgba(5, 150, 105, 0.07);
  color: var(--accent-emerald);
  border: 1px solid rgba(5, 150, 105, 0.12);
}

.portfolio-item-logo {
  height: 36px;
  object-fit: contain;
  object-position: left;
  margin-bottom: 1rem;
}

.portfolio-item-name {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.portfolio-item-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.portfolio-item-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-blue);
  transition: gap var(--transition-fast);
}

.portfolio-item-link:hover {
  gap: 0.7rem;
}

.portfolio-item-link svg {
  transition: transform var(--transition-fast);
}

.portfolio-item-link:hover svg {
  transform: translateX(3px);
}

/* Portfolio visual — right side card/preview */
.portfolio-item-visual {
  position: relative;
  border-radius: var(--radius-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  padding: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
  overflow: hidden;
  transition: all var(--transition-base);
}

.portfolio-item-visual:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.portfolio-item-visual-logo {
  max-width: 200px;
  max-height: 100px;
  object-fit: contain;
}

/* Visual decorative dots */
.portfolio-item-visual::before {
  content: '';
  position: absolute;
  top: 16px;
  right: 16px;
  width: 60px;
  height: 60px;
  background-image: radial-gradient(circle, var(--border-light) 1px, transparent 1px);
  background-size: 8px 8px;
  opacity: 0.5;
}

/* Separator between portfolio items */
.portfolio-divider {
  width: 60px;
  height: 1px;
  background: var(--border-light);
  margin: 0 auto;
}

/* ═══ ABOUT / STATS ═══ */
.about {
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}

.about-text p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.25rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.stat-card {
  padding: 1.75rem;
  border-radius: var(--radius-lg);
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  text-align: center;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-xs);
}

.stat-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.stat-label {
  font-size: 0.82rem;
  color: var(--text-tertiary);
  font-weight: 500;
}

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

.contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-light), transparent);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.contact-info h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -0.025em;
}

.contact-info > p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 2rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

/* contact-detail-icon removed — office shown as plain text */

.contact-detail-text h4 {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.1rem;
  color: var(--text-primary);
}

.contact-detail-text p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Form */
.contact-form-card {
  border-radius: var(--radius-xl);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  padding: 2.5rem;
}

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

.form-group {
  margin-bottom: 1.15rem;
}

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
  letter-spacing: 0.01em;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.72rem 0.9rem;
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.88rem;
  transition: all var(--transition-fast);
  outline: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-tertiary);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.08);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8'%3E%3Cpath d='M6 8.5L1 3.5h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.9rem center;
  padding-right: 2.5rem;
}

.form-textarea {
  resize: vertical;
  min-height: 110px;
}

.form-submit {
  width: 100%;
  padding: 0.8rem 2rem;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 600;
  background: var(--text-primary);
  color: #fff;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.form-submit:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  opacity: 0.92;
}

.form-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.form-status {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  display: none;
}

.form-status.success {
  display: block;
  background: rgba(5, 150, 105, 0.06);
  border: 1px solid rgba(5, 150, 105, 0.12);
  color: var(--accent-emerald);
}

.form-status.error {
  display: block;
  background: rgba(225, 29, 72, 0.06);
  border: 1px solid rgba(225, 29, 72, 0.12);
  color: var(--accent-rose);
}

/* ═══ FOOTER ═══ */
.footer {
  background: var(--bg-secondary);
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--border-subtle);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  display: flex;
  align-items: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.85rem;
  color: var(--text-primary);
}

.footer-brand > p {
  font-size: 0.88rem;
  color: var(--text-tertiary);
  line-height: 1.7;
}

.footer-col h4 {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 1.15rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-link {
  font-size: 0.88rem;
  color: var(--text-tertiary);
  transition: color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

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

.footer-link svg {
  width: 11px;
  height: 11px;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.footer-link:hover svg {
  opacity: 1;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-copyright {
  font-size: 0.78rem;
  color: var(--text-tertiary);
}

.footer-address {
  font-size: 0.78rem;
  color: var(--text-tertiary);
}

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

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.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; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ═══ RESPONSIVE ═══ */
@media (max-width: 1024px) {
  .about-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .portfolio-item {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .portfolio-item:nth-child(even) {
    direction: ltr;
  }

  .portfolio-item-visual {
    min-height: 220px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    padding: 2rem;
    transition: right var(--transition-base);
    border-left: 1px solid var(--border-subtle);
    box-shadow: -8px 0 30px rgba(0,0,0,0.08);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-mobile-toggle {
    display: flex;
    z-index: 1001;
  }

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

  .nav-mobile-toggle.open span:nth-child(2) {
    opacity: 0;
  }

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

  .hero-title {
    font-size: clamp(2rem, 8vw, 2.75rem);
  }

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

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

  .footer-content {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .hero-scroll {
    display: none;
  }

  .portfolio-items {
    gap: 4rem;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn-primary, .btn-secondary {
    width: 100%;
    justify-content: center;
  }

  .contact-form-card {
    padding: 1.5rem;
  }
}

/* ═══ Mobile overlay ═══ */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.2);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.nav-overlay.open {
  opacity: 1;
  visibility: visible;
}