@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Inter+Tight:wght@400;500;600;700&family=DM+Serif+Display&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* Color System - Fern Greens */
  --fern-50: #EAF6EE;
  --fern-100: #CFEAD8;
  --fern-200: #A9DBBB;
  --fern-300: #78C894;
  --fern-400: #58B57D;
  --fern-500: #3E9C64;
  --fern-600: #2F7B4E;
  --fern-700: #235B3A;

  /* Color System - Teal Blues */
  --teal-50: #E5F2F2;
  --teal-100: #C5E2E2;
  --teal-200: #9CCDCD;
  --teal-300: #6FB6B6;
  --teal-400: #48A8A8;
  --teal-500: #348E8E;
  --teal-600: #266F6F;
  --teal-700: #1B5353;

  /* Color System - Sky Blues */
  --sky-50: #E6F0F7;
  --sky-100: #C4DCEC;
  --sky-200: #95C1DC;
  --sky-300: #5FA2C8;
  --sky-400: #2F7C9E;
  --sky-500: #2F7C9E;
  --sky-600: #1E5A7E;
  --sky-700: #164868;
  --sky-800: #0F3550;
  --sky-900: #0B2B4A;

  /* Color System - Paper Neutrals */
  --paper-0: #FFFFFF;
  --paper-50: #FAF8F3;
  --paper-100: #F4F1EA;
  --paper-200: #E8E3D7;
  --paper-300: #D3CCBC;
  --paper-400: #A89E88;
  --paper-500: #7A725F;
  --paper-600: #55503F;
  --paper-700: #3A362A;
  --paper-800: #22201A;

  /* Accent Colors */
  --ember-400: #E08A4B;
  --ember-500: #C96F2E;
  --silver-300: #B6BDB8;

  /* Semantic Colors */
  --success: #3E9C64;
  --warning: #E08A4B;
  --danger: #C7463A;

  /* Theme Colors */
  --bg: var(--paper-50);
  --bg-raised: var(--paper-0);
  --bg-sunken: var(--paper-100);
  --bg-inverse: var(--sky-900);
  --fg: var(--paper-800);
  --fg-muted: var(--paper-600);
  --fg-subtle: var(--paper-500);
  --fg-inverse: var(--paper-50);
  --border: var(--paper-200);
  --border-strong: var(--paper-300);
  --accent: var(--sky-600);
  --accent-hover: var(--sky-700);
  --accent-soft: var(--teal-400);
  --accent-fresh: var(--fern-300);
  --link: var(--sky-600);
  --link-hover: var(--teal-500);

  /* Gradients */
  --gradient-spiral: linear-gradient(135deg, var(--fern-300) 0%, var(--teal-400) 45%, var(--sky-600) 100%);

  /* Typography */
  --font-display: "Fraunces", "Iowan Old Style", "Georgia", serif;
  --font-body: "Inter Tight", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Consolas, monospace;
  --font-numeric: "DM Serif Display", "Georgia", serif;

  /* Font Sizes */
  --fs-12: 0.75rem;
  --fs-14: 0.875rem;
  --fs-16: 1rem;
  --fs-18: 1.125rem;
  --fs-20: 1.25rem;
  --fs-24: 1.5rem;
  --fs-30: 1.875rem;
  --fs-36: 2.25rem;
  --fs-48: 3rem;
  --fs-60: 3.75rem;

  /* Line Heights */
  --lh-tight: 1.1;
  --lh-snug: 1.25;
  --lh-body: 1.55;

  /* Letter Spacing */
  --tr-display: -0.02em;
  --tr-eyebrow: 0.14em;

  /* Spacing */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 24px;
  --sp-6: 32px;
  --sp-7: 48px;
  --sp-8: 64px;

  /* Border Radius */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(30, 55, 80, 0.06);
  --shadow-sm: 0 2px 6px rgba(30, 55, 80, 0.08), 0 1px 2px rgba(30, 55, 80, 0.04);
  --shadow-md: 0 6px 16px rgba(30, 55, 80, 0.1), 0 2px 4px rgba(30, 55, 80, 0.06);
  --shadow-lg: 0 18px 40px rgba(15, 53, 80, 0.14), 0 4px 10px rgba(30, 55, 80, 0.08);

  /* Transitions */
  --ease-out-soft: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur-fast: 0.14s;
  --dur-med: 0.24s;
  --dur-slow: 0.42s;
}

/* Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-family: var(--font-body);
  color: var(--fg);
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  font-size: var(--fs-16);
  line-height: var(--lh-body);
  antialiased: true;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
.h-display {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.5rem, 6vw, var(--fs-60));
  line-height: var(--lh-tight);
  letter-spacing: var(--tr-display);
  color: var(--fg);
}

h1, .h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--fs-48);
  line-height: var(--lh-tight);
  letter-spacing: var(--tr-display);
  color: var(--fg);
}

h2, .h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--fs-36);
  line-height: var(--lh-snug);
  color: var(--fg);
}

h3, .h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--fs-24);
  line-height: var(--lh-snug);
  color: var(--fg);
}

.lede {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--fs-24);
  line-height: 1.45;
  color: var(--fg-muted);
  max-width: 56ch;
}

.eyebrow {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--fs-12);
  text-transform: uppercase;
  letter-spacing: var(--tr-eyebrow);
  color: var(--teal-500);
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.92em;
  background: var(--bg-sunken);
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  color: var(--sky-700);
}

a {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color var(--dur-fast) var(--ease-out-soft);
}

a:hover {
  color: var(--link-hover);
}

/* Button Component */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all var(--dur-med) var(--ease-out-soft);
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--paper-0);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-sunken);
  color: var(--fg);
  border: 1px solid var(--border);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--teal-50);
  border-color: var(--teal-500);
}

.btn-success {
  background: var(--success);
  color: var(--paper-0);
  box-shadow: var(--shadow-sm);
}

.btn-success:hover:not(:disabled) {
  background: var(--fern-500);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.875rem;
}

.btn-md {
  padding: 12px 24px;
  font-size: 0.9375rem;
}

.btn-lg {
  padding: 14px 32px;
  font-size: 1.125rem;
}

/* Card Component */
.card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--dur-med) var(--ease-out-soft);
}

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

.card-elevated {
  box-shadow: var(--shadow-md);
}

.card-sm {
  padding: 1rem;
}

.card-md {
  padding: 1.5rem;
}

.card-lg {
  padding: 2rem;
}

/* Layout Utilities */
.container {
  max-width: 80rem;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

@media (min-width: 640px) {
  .container {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

@media (min-width: 1024px) {
  .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

.section {
  padding-top: 3rem;
  padding-bottom: 3rem;
}

@media (min-width: 640px) {
  .section {
    padding-top: 5rem;
    padding-bottom: 5rem;
  }
}

.section-lg {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

@media (min-width: 640px) {
  .section-lg {
    padding-top: 6rem;
    padding-bottom: 6rem;
  }
}

.text-center {
  text-align: center;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.mb-2 {
  margin-bottom: 0.5rem;
}

.mb-3 {
  margin-bottom: 0.75rem;
}

.mb-4 {
  margin-bottom: 1rem;
}

.mb-6 {
  margin-bottom: 1.5rem;
}

.mb-8 {
  margin-bottom: 2rem;
}

.mb-12 {
  margin-bottom: 3rem;
}

.mb-16 {
  margin-bottom: 4rem;
}

.mt-8 {
  margin-top: 2rem;
}

.mt-12 {
  margin-top: 3rem;
}

.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-cols-1 {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

@media (min-width: 640px) {
  .grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  .grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s var(--ease-out-soft);
}

.fade-in-delay-1 {
  animation: fadeIn 0.6s var(--ease-out-soft) 0.1s backwards;
}

.fade-in-delay-2 {
  animation: fadeIn 0.6s var(--ease-out-soft) 0.2s backwards;
}

.fade-in-delay-3 {
  animation: fadeIn 0.6s var(--ease-out-soft) 0.3s backwards;
}

/* Hero Section */
.hero {
  position: relative;
  overflow: hidden;
  min-height: 80vh;
  display: flex;
  align-items: center;
  background: var(--bg);
}

.hero-content {
  position: relative;
  z-index: 10;
}

/* Portfolio Grid */
.portfolio-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.portfolio-card {
  padding: 2rem;
}

.portfolio-card h3 {
  margin-bottom: 0.5rem;
}

.portfolio-card p {
  color: var(--fg-muted);
  margin-bottom: 1rem;
}

.portfolio-card .btn {
  margin-top: 1rem;
}

/* Client Section */
.client-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 640px) {
  .client-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .client-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.client-card {
  padding: 1.5rem;
  text-align: center;
  font-weight: 600;
  color: var(--fg-muted);
  font-size: var(--fs-14);
}

/* Footer */
footer {
  background: var(--bg-inverse);
  color: var(--fg-inverse);
  padding: 3rem 0;
  margin-top: 4rem;
}

footer a {
  color: var(--fg-inverse);
}

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