/* ═══════════════════════════════════════════
   Kelling Capital — Component Styles
   ═══════════════════════════════════════════ */

/* ── Header ────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--section-pad-x);
  transition: background 0.4s ease, backdrop-filter 0.4s ease, box-shadow 0.4s ease;
}

.site-header.scrolled {
  background: rgba(10, 10, 15, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.05);
}

.header-logo {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text);
  cursor: pointer;
  white-space: nowrap;
}

.header-logo span {
  color: var(--color-accent);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.header-nav a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  transition: color var(--transition-interactive);
  position: relative;
}

.header-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--color-accent);
  transition: width var(--transition-interactive);
}

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

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

.btn-cta {
  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-2) var(--space-6);
  border: none;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-text-inverse);
  cursor: pointer;
  transition: transform var(--transition-interactive),
              box-shadow var(--transition-interactive),
              background var(--transition-interactive);
  white-space: nowrap;
  text-decoration: none;
}

.btn-cta:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow), var(--shadow-md);
  background: var(--color-accent-3);
}

.btn-cta:active {
  transform: translateY(0);
}

/* Mobile hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: transform 0.3s var(--ease-out), opacity 0.3s var(--ease-out);
  border-radius: 1px;
}

.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);
}

/* Mobile nav overlay */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 15, 0.95);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease-out);
}

.mobile-nav.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav a {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-text);
  transition: color var(--transition-interactive);
}

.mobile-nav a:hover {
  color: var(--color-accent);
}

/* ── Hero Section ──────────────────────── */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 0 var(--section-pad-x);
  max-width: var(--max-width);
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 0.95;
  margin-bottom: var(--space-6);
  opacity: 0;
  animation: fadeUp 1s var(--ease-out) 0.3s forwards;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, var(--color-accent), var(--color-primary), var(--color-accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-10);
  opacity: 0;
  animation: fadeUp 1s var(--ease-out) 0.6s forwards;
}

.hero-cta {
  opacity: 0;
  animation: fadeUp 1s var(--ease-out) 0.9s forwards;
}

.btn-hero {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  padding: var(--space-4) var(--space-10);
  border: none;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-text-inverse);
  cursor: pointer;
  transition: transform var(--transition-interactive),
              box-shadow var(--transition-interactive),
              background var(--transition-interactive);
  text-decoration: none;
}

.btn-hero:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(0, 212, 170, 0.35), var(--shadow-md);
  background: var(--color-accent-3);
}

.btn-hero:active {
  transform: translateY(0);
}

.btn-hero .arrow {
  transition: transform var(--transition-interactive);
}

.btn-hero:hover .arrow {
  transform: translateX(4px);
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Section Common ────────────────────── */
.section {
  position: relative;
  padding: var(--section-pad) var(--section-pad-x);
  overflow: hidden;
}

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

.section-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.section-heading {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-8);
  max-width: 20ch;
}

.section-subtext {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 50ch;
  margin-bottom: var(--space-12);
}

/* ── Scroll Reveal ─────────────────────── */
.reveal {
  opacity: 1;
}

@supports (animation-timeline: view()) {
  .reveal {
    opacity: 0;
    animation: revealFade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 80%;
  }
}

@keyframes revealFade {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ── Services Section ──────────────────── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-top: var(--space-12);
}

.service-card {
  background: var(--color-surface);
  border: 1px solid rgba(232, 230, 240, 0.06);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: transform var(--transition-interactive),
              box-shadow var(--transition-interactive),
              border-color var(--transition-interactive);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(232, 230, 240, 0.12);
}

.service-card-icon {
  width: 80px;
  height: 80px;
  margin-bottom: var(--space-6);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.service-card-icon canvas {
  width: 80px;
  height: 80px;
}

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

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

/* ── About Section ─────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: center;
}

.about-canvas-wrap {
  position: relative;
  aspect-ratio: 1;
  max-width: 500px;
}

.about-canvas-wrap canvas {
  width: 100%;
  height: 100%;
}

.about-text .section-heading {
  max-width: none;
}

.about-body {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-8);
}

.accent-card {
  position: relative;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  overflow: hidden;
}

.accent-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.accent-card-stat {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.accent-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ── Contact Section ───────────────────── */
.contact-section {
  position: relative;
}

.contact-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.4;
}

.contact-content {
  position: relative;
  z-index: 1;
}

.contact-form-wrap {
  margin-top: var(--space-8);
  max-width: 700px;
  background: rgba(17, 17, 24, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(232, 230, 240, 0.06);
  border-radius: var(--radius-lg);
  padding: var(--space-2);
  overflow: hidden;
}

.contact-form-wrap iframe {
  width: 100% !important;
  height: 700px !important;
  border: none !important;
  border-radius: var(--radius-lg);
  display: block !important;
  visibility: visible !important;
}

/* ── Footer ────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--color-divider);
  padding: var(--space-12) var(--section-pad-x);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-8);
  align-items: start;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  margin-bottom: var(--space-3);
}

.footer-brand span {
  color: var(--color-accent);
}

.footer-contact {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.8;
}

.footer-contact a {
  color: var(--color-text-muted);
  transition: color var(--transition-interactive);
}

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

.footer-links {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-2);
}

.footer-links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive);
}

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

.footer-bottom {
  max-width: var(--max-width);
  margin: var(--space-8) auto 0;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

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

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

.footer-attribution a {
  color: var(--color-text-faint);
  transition: color var(--transition-interactive);
  text-decoration: underline;
  text-decoration-color: rgba(78, 76, 94, 0.4);
  text-underline-offset: 2px;
}

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

/* ── Legal Pages ───────────────────────── */
.legal-page {
  padding-top: calc(80px + var(--space-16));
  padding-bottom: var(--section-pad);
  padding-left: var(--section-pad-x);
  padding-right: var(--section-pad-x);
}

.legal-content {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
}

.legal-back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: var(--space-8);
  transition: color var(--transition-interactive);
}

.legal-back:hover {
  color: var(--color-accent-3);
}

.legal-content h1 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-2);
}

.legal-content .legal-date {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  margin-bottom: var(--space-12);
}

.legal-content h2 {
  font-size: var(--text-xl);
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
}

.legal-content p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-4);
  max-width: none;
}

.legal-content strong {
  color: var(--color-text);
  font-weight: 600;
}

/* ── Responsive ────────────────────────── */
@media (max-width: 900px) {
  .services-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .about-canvas-wrap {
    max-width: 340px;
    margin: 0 auto;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .footer-links {
    align-items: flex-start;
    flex-direction: row;
    gap: var(--space-6);
    flex-wrap: wrap;
  }
}

@media (max-width: 768px) {
  .header-nav {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-nav {
    display: flex;
  }

  .hero-title {
    font-size: clamp(2.5rem, 1rem + 8vw, 4.5rem);
  }

  .hero-subtitle {
    font-size: var(--text-base);
    letter-spacing: 0.1em;
  }

  .section-heading {
    font-size: var(--text-2xl);
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: clamp(2rem, 1rem + 6vw, 3.5rem);
  }

  .btn-hero {
    padding: var(--space-3) var(--space-8);
    font-size: var(--text-base);
  }

  .contact-form-wrap {
    padding: var(--space-1);
  }

  .contact-form-wrap iframe {
    height: 750px;
  }
}