/* =============================================
   ÉVELI — Design Tokens & Styles
   Palette: Black, Gold/Amber (#D4952A), White
   ============================================= */

:root {
  /* Type Scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;

  /* Fonts */
  --font-display: 'Cabinet Grotesk', 'Helvetica Neue', sans-serif;
  --font-body: 'Satoshi', 'Helvetica Neue', sans-serif;
}

/* ÉVELI Light Mode (default) */
:root,
[data-theme='light'] {
  --color-bg: #ffffff;
  --color-surface: #f9f9f7;
  --color-surface-2: #f3f2ef;
  --color-border: #e0ddd8;
  --color-divider: #eae8e4;

  --color-text: #1a1a1a;
  --color-text-muted: #5c5c5c;
  --color-text-faint: #9a9a9a;
  --color-text-inverse: #ffffff;

  --color-primary: #D4952A;
  --color-primary-hover: #b87e1f;
  --color-primary-active: #9a6818;
  --color-primary-light: rgba(212, 149, 42, 0.1);

  --color-dark: #1a1a1a;
  --color-dark-hover: #2a2a2a;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
}

/* ÉVELI Dark Mode */
[data-theme='dark'] {
  --color-bg: #111111;
  --color-surface: #1a1a1a;
  --color-surface-2: #222222;
  --color-border: #333333;
  --color-divider: #2a2a2a;

  --color-text: #e8e6e2;
  --color-text-muted: #9a9895;
  --color-text-faint: #6a6865;
  --color-text-inverse: #111111;

  --color-primary: #e5a94a;
  --color-primary-hover: #d4952a;
  --color-primary-active: #b87e1f;
  --color-primary-light: rgba(229, 169, 74, 0.12);

  --color-dark: #e8e6e2;
  --color-dark-hover: #d0cecb;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.5);
}

/* =============================================
   HEADER / NAV
   ============================================= */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  padding: var(--space-4) var(--space-6);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-divider);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

[data-theme='dark'] .header {
  background: rgba(17,17,17,0.92);
}

.header-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}

.logo-img {
  height: 40px;
  width: auto;
}

.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-text);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
}

.nav-links a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  position: relative;
}

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

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

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

.theme-toggle {
  color: var(--color-text-muted);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
}

.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}

/* Mobile nav */
.mobile-menu-btn {
  display: none;
  color: var(--color-text);
  padding: var(--space-2);
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-divider);
    padding: var(--space-6);
    gap: var(--space-4);
  }
}

/* =============================================
   HERO SECTION
   ============================================= */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

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

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0,0,0,0.85) 0%,
    rgba(0,0,0,0.5) 40%,
    rgba(0,0,0,0.2) 70%,
    rgba(0,0,0,0.1) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-16) var(--space-6) var(--space-12);
  width: 100%;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: rgba(212, 149, 42, 0.15);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
  border: 1px solid rgba(212, 149, 42, 0.3);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: #ffffff;
  margin-bottom: var(--space-4);
  max-width: 14ch;
}

.hero-subtitle {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: rgba(255,255,255,0.75);
  max-width: 48ch;
  margin-bottom: var(--space-8);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* =============================================
   BUTTONS
   ============================================= */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-sm);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--color-primary);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: #ffffff;
  border: 1px solid rgba(255,255,255,0.35);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.6);
}

.btn-dark {
  background: var(--color-dark);
  color: var(--color-text-inverse);
}

.btn-dark:hover {
  background: var(--color-dark-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* =============================================
   SECTIONS
   ============================================= */

.section {
  padding: clamp(var(--space-12), 8vw, var(--space-24)) var(--space-6);
}

.section-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
}

.section-header {
  margin-bottom: var(--space-12);
}

.section-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.section-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 56ch;
}

/* =============================================
   SERVICES
   ============================================= */

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

@media (max-width: 768px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

.service-card {
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
}

.service-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.service-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-5);
  color: var(--color-primary);
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.service-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* =============================================
   STATS BAR
   ============================================= */

.stats-bar {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  padding: var(--space-10) var(--space-6);
}

.stats-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  text-align: center;
}

@media (max-width: 768px) {
  .stats-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }
}

.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
  display: block;
}

.stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* =============================================
   PORTFOLIO GRID
   ============================================= */

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

@media (max-width: 768px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  aspect-ratio: 4 / 3;
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.portfolio-item:hover img {
  transform: scale(1.05);
}

.portfolio-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.3s ease;
  display: flex;
  align-items: flex-end;
  padding: var(--space-4);
}

.portfolio-item:hover .portfolio-item-overlay {
  opacity: 1;
}

.portfolio-item-label {
  color: #ffffff;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
}

/* Feature item spans 2 cols */
.portfolio-item.featured {
  grid-column: span 2;
}

@media (max-width: 480px) {
  .portfolio-item.featured {
    grid-column: span 1;
  }
}

/* =============================================
   ABOUT / WHY US
   ============================================= */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

.about-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.about-content h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.about-content p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  line-height: 1.7;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text);
}

.feature-check {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  margin-top: 2px;
}

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

.contact-section {
  background: var(--color-surface);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

.contact-info h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.contact-info > p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  line-height: 1.7;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.contact-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  color: var(--color-primary);
}

.contact-detail-label {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-1);
}

.contact-detail-value {
  font-size: var(--text-base);
  color: var(--color-text);
  font-weight: 500;
}

.contact-detail-value a {
  color: var(--color-text);
  text-decoration: none;
}

.contact-detail-value a:hover {
  color: var(--color-primary);
}

.contact-map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface-2);
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  min-height: 320px;
  border: none;
}

/* =============================================
   FOOTER
   ============================================= */

.footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.6);
  padding: var(--space-10) var(--space-6);
}

[data-theme='dark'] .footer {
  background: #0a0a0a;
}

.footer-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.footer-logo img {
  height: 28px;
  width: auto;
}

.footer-logo span {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: rgba(255,255,255,0.8);
  letter-spacing: 0.05em;
}

.footer-text {
  font-size: var(--text-xs);
}

.footer-text a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
}

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

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

.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Gold accent line */
.gold-line {
  width: 48px;
  height: 3px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}
@media (max-width: 768px) {
  .hero {
    min-height: 78vh;
    align-items: flex-end;
  }

  .hero-content {
    padding: var(--space-20) var(--space-4) var(--space-8);
  }

  .hero h1 {
    font-size: var(--text-2xl);
    max-width: 11ch;
  }

  .hero-subtitle {
    font-size: var(--text-sm);
    max-width: 32ch;
    margin-bottom: var(--space-6);
    line-height: 1.6;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

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

  .hero-image img {
    object-position: center center;
  }
}