/* ============================================
   2ndNature — Design System & Main Site Styles
   ============================================ */

/* --- Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,600;0,9..144,800;1,9..144,400&family=Instrument+Sans:wght@400;500;600;700&display=swap');

/* --- Design Tokens --- */
:root {
  /* Colour — warm, earthy, sophisticated */
  --color-bg:        oklch(96% 0.01 80);
  --color-bg-deep:   oklch(92% 0.015 75);
  --color-ink:       oklch(12% 0.01 60);
  --color-ink-soft:  oklch(35% 0.01 60);
  --color-accent:    oklch(52% 0.14 38);
  --color-accent-hover: oklch(45% 0.16 38);
  --color-border:    oklch(82% 0.01 70);

  /* Type Scale — perfect fourth (1.333) */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body:    'Instrument Sans', system-ui, sans-serif;

  --text-xs:   clamp(0.7rem, 0.65rem + 0.25vw, 0.8rem);
  --text-sm:   clamp(0.8rem, 0.75rem + 0.25vw, 0.9rem);
  --text-base: clamp(0.95rem, 0.9rem + 0.25vw, 1.05rem);
  --text-lg:   clamp(1.15rem, 1rem + 0.5vw, 1.35rem);
  --text-xl:   clamp(1.6rem, 1.2rem + 1.5vw, 2.4rem);
  --text-2xl:  clamp(2.2rem, 1.5rem + 2.5vw, 3.8rem);
  --text-hero: clamp(3rem, 2rem + 4vw, 6.5rem);

  /* Spacing */
  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  32px;
  --space-xl:  64px;
  --space-2xl: 96px;
  --space-3xl: 140px;

  /* Motion */
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-out-expo:  cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast:  150ms;
  --duration-med:   300ms;
  --duration-slow:  600ms;
}

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

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-ink);
  background: var(--color-bg);
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

::selection {
  background: var(--color-accent);
  color: var(--color-bg);
}

/* --- Utility --- */
.container {
  width: min(calc(100% - 40px), 1320px);
  margin-inline: auto;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-md) 0;
  transition: background var(--duration-med) var(--ease-out-quart),
              backdrop-filter var(--duration-med) var(--ease-out-quart);
}

.nav.scrolled {
  background: oklch(96% 0.01 80 / 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 40px), 1320px);
  margin-inline: auto;
}

.nav-brand {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
}

.nav-links a {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  position: relative;
  padding-block: var(--space-xs);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--duration-med) var(--ease-out-expo);
}

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

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 32px;
  height: 24px;
  position: relative;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-ink);
  position: absolute;
  left: 0;
  transition: all var(--duration-fast) var(--ease-out-quart);
}

.nav-toggle span:nth-child(1) { top: 0; }
.nav-toggle span:nth-child(2) { top: 11px; }
.nav-toggle span:nth-child(3) { top: 22px; }

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-2xl);
}

.hero-content {
  max-width: 900px;
}



.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-lg);
  opacity: 0;
  transform: translateY(30px);
  animation: reveal-up 0.8s var(--ease-out-expo) 0.35s forwards;
}

.hero-title em {
  font-style: italic;
  font-weight: 300;
  color: var(--color-accent);
}

.hero-tagline {
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-ink-soft);
  line-height: 1.35;
  max-width: 600px;
  margin-bottom: var(--space-xl);
  opacity: 0;
  transform: translateY(20px);
  animation: reveal-up 0.8s var(--ease-out-expo) 0.5s forwards;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-bg);
  background: var(--color-ink);
  padding: var(--space-md) var(--space-lg);
  border: none;
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-out-quart),
              transform var(--duration-fast) var(--ease-out-quart);
  opacity: 0;
  transform: translateY(20px);
  animation: reveal-up 0.8s var(--ease-out-expo) 0.65s forwards;
}

.hero-cta:hover {
  background: var(--color-accent);
  transform: translateY(-2px);
}

.hero-cta svg {
  width: 16px;
  height: 16px;
  transition: transform var(--duration-fast) var(--ease-out-quart);
}

.hero-cta:hover svg {
  transform: translateX(4px);
}

/* Scroll indicator */
.scroll-hint {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
  opacity: 0;
  animation: reveal-up 0.6s var(--ease-out-expo) 1.2s forwards;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: var(--color-ink-soft);
  transform-origin: top;
  animation: scroll-pulse 2s var(--ease-out-quart) infinite 1.8s;
}

/* --- Section Label --- */
.section-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-lg);
}

/* --- Showcase Gallery --- */
.showcases {
  padding: var(--space-3xl) 0;
}

.showcases-header {
  margin-bottom: var(--space-2xl);
  max-width: 600px;
}

.showcases-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-md);
}

/* Asymmetric showcase card layout */
.showcase-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  border-radius: 2px;
  transition: transform var(--duration-med) var(--ease-out-expo);
}

.showcase-card:hover {
  transform: translateY(-4px);
}

/* Card 1 (Restaurant) — wide, top-left */
.showcase-card:nth-child(1) {
  grid-column: 1 / 8;
  aspect-ratio: 16 / 10;
}

/* Card 2 (SaaS) — tall, top-right */
.showcase-card:nth-child(2) {
  grid-column: 8 / 13;
  aspect-ratio: 5 / 6;
}

/* Card 3 (Agency) — tall, bottom-left */
.showcase-card:nth-child(3) {
  grid-column: 1 / 5;
  aspect-ratio: 4 / 5;
}

/* Card 4 (E-Commerce) — wide, center */
.showcase-card:nth-child(4) {
  grid-column: 5 / 10;
  aspect-ratio: 5 / 4;
}

/* Card 5 (Coach) — right */
.showcase-card:nth-child(5) {
  grid-column: 10 / 13;
  aspect-ratio: 3 / 4;
}

/* Card 6 (Music) — bottom full row */
.showcase-card:nth-child(6) {
  grid-column: 1 / 13;
  aspect-ratio: 21 / 9;
}

/* Card inner styling */
.card-preview {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-lg);
  transition: opacity var(--duration-med) var(--ease-out-quart);
}

/* Each card has its own colour palette */
.showcase-card[data-theme="restaurant"] {
  background: oklch(94% 0.02 90);
}
.showcase-card[data-theme="restaurant"] .card-preview {
  background: linear-gradient(to top, oklch(30% 0.06 100 / 0.9) 0%, transparent 70%);
}

.showcase-card[data-theme="saas"] {
  background: oklch(16% 0.02 250);
}
.showcase-card[data-theme="saas"] .card-preview {
  background: linear-gradient(to top, oklch(10% 0.03 250 / 0.95) 0%, transparent 70%);
}
.showcase-card[data-theme="saas"] .card-industry,
.showcase-card[data-theme="saas"] .card-title,
.showcase-card[data-theme="saas"] .card-desc,
.showcase-card[data-theme="saas"] .card-cta {
  color: oklch(92% 0.01 250);
}
.showcase-card[data-theme="saas"] .card-industry {
  color: oklch(80% 0.18 130);
}

.showcase-card[data-theme="agency"] {
  background: oklch(95% 0.005 0);
}
.showcase-card[data-theme="agency"] .card-preview {
  background: linear-gradient(to top, oklch(15% 0.04 20 / 0.9) 0%, transparent 70%);
}
.showcase-card[data-theme="agency"] .card-industry,
.showcase-card[data-theme="agency"] .card-title,
.showcase-card[data-theme="agency"] .card-desc,
.showcase-card[data-theme="agency"] .card-cta {
  color: oklch(95% 0.005 0);
}
.showcase-card[data-theme="agency"] .card-industry {
  color: oklch(60% 0.2 25);
}

.showcase-card[data-theme="ecommerce"] {
  background: oklch(90% 0.02 55);
}
.showcase-card[data-theme="ecommerce"] .card-preview {
  background: linear-gradient(to top, oklch(25% 0.02 50 / 0.85) 0%, transparent 70%);
}
.showcase-card[data-theme="ecommerce"] .card-industry,
.showcase-card[data-theme="ecommerce"] .card-title,
.showcase-card[data-theme="ecommerce"] .card-desc,
.showcase-card[data-theme="ecommerce"] .card-cta {
  color: oklch(92% 0.01 55);
}

.showcase-card[data-theme="coach"] {
  background: oklch(88% 0.04 145);
}
.showcase-card[data-theme="coach"] .card-preview {
  background: linear-gradient(to top, oklch(22% 0.04 145 / 0.88) 0%, transparent 70%);
}
.showcase-card[data-theme="coach"] .card-industry,
.showcase-card[data-theme="coach"] .card-title,
.showcase-card[data-theme="coach"] .card-desc,
.showcase-card[data-theme="coach"] .card-cta {
  color: oklch(93% 0.01 145);
}

.showcase-card[data-theme="music"] {
  background: #0e0e0e;
}
.showcase-card[data-theme="music"] .card-preview {
  background: linear-gradient(to top, rgba(14,14,14,0.95) 0%, transparent 70%);
}
.showcase-card[data-theme="music"] .card-industry,
.showcase-card[data-theme="music"] .card-title,
.showcase-card[data-theme="music"] .card-desc,
.showcase-card[data-theme="music"] .card-cta {
  color: #f5f5f5;
}
.showcase-card[data-theme="music"] .card-industry {
  color: #8B5CF6;
}

/* Card typography */
.card-industry {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.card-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  line-height: 1.1;
  margin-bottom: var(--space-sm);
}

.card-desc {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  line-height: 1.5;
  margin-bottom: var(--space-md);
  max-width: 340px;
}

.card-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.card-cta svg {
  width: 14px;
  height: 14px;
  transition: transform var(--duration-fast) var(--ease-out-quart);
}

.showcase-card:hover .card-cta svg {
  transform: translateX(6px);
}

/* Decorative elements inside cards */
.card-decor {
  position: absolute;
  opacity: 0.08;
  pointer-events: none;
}

/* Restaurant decorative text */
.showcase-card[data-theme="restaurant"] .card-decor {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(4rem, 8vw, 10rem);
  font-style: italic;
  top: var(--space-lg);
  left: var(--space-lg);
  line-height: 0.9;
  opacity: 0.06;
}

/* SaaS decorative element */
.showcase-card[data-theme="saas"] .card-decor {
  font-family: 'Space Grotesk', monospace;
  font-size: clamp(3rem, 6vw, 7rem);
  font-weight: 700;
  top: var(--space-md);
  right: var(--space-md);
  opacity: 0.05;
  color: oklch(80% 0.18 130);
}

/* Agency decorative text */
.showcase-card[data-theme="agency"] .card-decor {
  font-family: 'Syne', sans-serif;
  font-size: clamp(5rem, 10vw, 14rem);
  font-weight: 800;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-8deg);
  opacity: 0.04;
}

/* E-Commerce decorative */
.showcase-card[data-theme="ecommerce"] .card-decor {
  font-family: 'Playfair Display', serif;
  font-size: clamp(3rem, 7vw, 9rem);
  font-style: italic;
  top: var(--space-md);
  right: var(--space-lg);
  opacity: 0.05;
}

/* Coach decorative */
.showcase-card[data-theme="coach"] .card-decor {
  width: clamp(60px, 12vw, 140px);
  height: clamp(60px, 12vw, 140px);
  border-radius: 50%;
  border: 2px solid currentColor;
  top: var(--space-lg);
  right: var(--space-lg);
  opacity: 0.08;
}

/* Music decorative */
.showcase-card[data-theme="music"] .card-decor {
  font-family: 'Impact', 'Arial Black', sans-serif;
  font-size: clamp(3rem, 6vw, 7rem);
  font-weight: 900;
  letter-spacing: 0.1em;
  top: var(--space-md);
  right: var(--space-md);
  opacity: 0.04;
  color: #8B5CF6;
}

/* --- About Section --- */
.about {
  padding: var(--space-3xl) 0;
  border-top: 1px solid var(--color-border);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.about-text {
  font-size: var(--text-lg);
  color: var(--color-ink-soft);
  line-height: 1.6;
  max-width: 520px;
}

.about-text strong {
  color: var(--color-ink);
  font-weight: 600;
}

.process-list {
  list-style: none;
  counter-reset: process;
}

.process-list li {
  counter-increment: process;
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--color-border);
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: var(--space-md);
  align-items: start;
}

.process-list li::before {
  content: counter(process, decimal-leading-zero);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 300;
  color: var(--color-accent);
  line-height: 1;
}

.process-list h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.process-list p {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  line-height: 1.5;
}

/* --- Contact CTA --- */
.contact {
  padding: var(--space-3xl) 0;
  text-align: left;
}

.contact-inner {
  background: var(--color-ink);
  color: var(--color-bg);
  padding: var(--space-2xl);
  border-radius: 2px;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.contact-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  line-height: 1.05;
  margin-bottom: var(--space-md);
}

.contact-subtitle {
  font-size: var(--text-base);
  color: oklch(70% 0.01 60);
  line-height: 1.6;
}

.contact-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink);
  background: var(--color-bg);
  padding: var(--space-md) var(--space-lg);
  border: none;
  cursor: pointer;
  justify-self: end;
  transition: background var(--duration-fast) var(--ease-out-quart),
              transform var(--duration-fast) var(--ease-out-quart);
}

.contact-btn:hover {
  background: var(--color-accent);
  color: var(--color-bg);
  transform: translateY(-2px);
}

/* --- Footer --- */
.footer {
  padding: var(--space-xl) 0 var(--space-lg);
  border-top: 1px solid var(--color-border);
}

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

.footer-brand {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  opacity: 0.5;
}

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

/* --- Reveal Animations --- */
@keyframes reveal-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes scroll-pulse {
  0%, 100% { transform: scaleY(1); opacity: 0.4; }
  50%      { transform: scaleY(0.5); opacity: 1; }
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity var(--duration-slow) var(--ease-out-expo),
              transform var(--duration-slow) var(--ease-out-expo);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 80ms; }
.reveal-delay-2 { transition-delay: 160ms; }
.reveal-delay-3 { transition-delay: 240ms; }
.reveal-delay-4 { transition-delay: 320ms; }

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .hero-logo, .hero-title, .hero-tagline, .hero-cta, .scroll-hint {
    opacity: 1;
    transform: none;
    animation: none;
  }
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    padding: var(--space-lg);
    gap: var(--space-md);
    border-bottom: 1px solid var(--color-border);
  }

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

  .showcase-card:nth-child(1),
  .showcase-card:nth-child(2),
  .showcase-card:nth-child(3),
  .showcase-card:nth-child(4),
  .showcase-card:nth-child(5),
  .showcase-card:nth-child(6) {
    grid-column: auto;
    aspect-ratio: 4 / 3;
  }

  .showcase-card:nth-child(6) {
    grid-column: 1 / -1;
    aspect-ratio: 16 / 9;
  }

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

  .contact-inner {
    grid-template-columns: 1fr;
    text-align: left;
  }

  .contact-btn { justify-self: start; }

  .scroll-hint { display: none; }
}

@media (max-width: 600px) {
  .showcases-grid {
    grid-template-columns: 1fr;
  }

  .showcase-card:nth-child(1),
  .showcase-card:nth-child(2),
  .showcase-card:nth-child(3),
  .showcase-card:nth-child(4),
  .showcase-card:nth-child(5),
  .showcase-card:nth-child(6) {
    grid-column: 1;
    aspect-ratio: 4 / 3;
  }

  .contact-inner {
    padding: var(--space-xl) var(--space-lg);
  }
}