:root {
  --bg: #fff9f2;
  --surface: #ffffff;
  --text: #1f2937;
  --text-muted: #6b7280;
  --border: #eadfd3;
  --accent: #f4a261;
  --accent-hover: #e98b3a;
  --shadow: 0 10px 30px rgba(31, 41, 55, 0.06);
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --container: 1100px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 85% 8%, #fff1df 0%, #fff9f2 40%) no-repeat, var(--bg);
  line-height: 1.8;
}

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

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  z-index: 100;
}

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

.section {
  padding: 5rem 0;
}

.eyebrow {
  margin: 0 0 0.6rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: #b35800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.18rem;
  margin-bottom: 0.6rem;
}

p {
  color: var(--text-muted);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(234, 223, 211, 0.65);
  background: rgba(255, 249, 242, 0.9);
  backdrop-filter: blur(10px);
}

.header-inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.site-nav {
  position: absolute;
  top: 74px;
  left: 1rem;
  right: 1rem;
  display: grid;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  padding: 0.6rem;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity 0.16s ease, transform 0.16s ease;
}

.site-nav a {
  padding: 0.7rem 0.85rem;
  border-radius: 8px;
  font-weight: 500;
  color: var(--text);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: #fff5e9;
  color: var(--accent-hover);
  outline: none;
}

.nav-open .site-nav {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.nav-toggle {
  width: 44px;
  height: 44px;
  display: grid;
  place-content: center;
  gap: 5px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  cursor: pointer;
}

.nav-toggle span {
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 10px;
  transition: transform 0.16s ease, opacity 0.16s ease;
}

.nav-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.nav-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.hero {
  padding-top: 4.5rem;
  padding-bottom: 2rem;
}

.section-projects {
  padding-top: 2.75rem;
}

.hero-text {
  max-width: 62ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 2.9rem;
  padding: 0 1.15rem;
  border-radius: 11px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.12s ease, background-color 0.12s ease, color 0.12s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:focus-visible {
  outline: 2px solid var(--accent-hover);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--accent);
  color: #222;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--accent-hover);
}

.btn-secondary {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: #dfcebd;
  background: #fff6ea;
}

.btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.project-card {
  margin-top: 1.6rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 1.4rem;
  display: grid;
  gap: 1.5rem;
}

.project-note {
  margin-bottom: 0;
  font-size: 0.94rem;
}

/* iPhone frame */
.iphone-frame {
  margin-inline: auto;
  width: min(220px, 100%);
  background: #1a1a1a;
  border-radius: 44px;
  padding: 10px;
  box-shadow:
    0 0 0 1px #3a3a3a,
    0 24px 60px rgba(0, 0, 0, 0.28);
}

.iphone-inner {
  background: #000;
  border-radius: 36px;
  overflow: hidden;
  position: relative;
}

.iphone-notch {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 38%;
  height: 26px;
  background: #000;
  border-bottom-left-radius: 16px;
  border-bottom-right-radius: 16px;
  z-index: 2;
}

.iphone-screen {
  display: block;
  line-height: 0;
}

.iphone-screen img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 36px;
}

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

.contact-email a {
  color: var(--accent-hover);
  font-weight: 600;
  text-decoration: underline;
}

.contact-email a:hover,
.contact-email a:focus-visible {
  outline: 2px solid var(--accent-hover);
  outline-offset: 2px;
}

.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.1rem;
  box-shadow: 0 4px 12px rgba(31, 41, 55, 0.04);
}

.contact-form label {
  display: block;
  margin-bottom: 0.35rem;
  color: #374151;
  font-size: 0.94rem;
  font-weight: 500;
}

.form-hint {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.8rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.65rem 0.75rem;
  margin-bottom: 0.8rem;
  font: inherit;
  color: var(--text);
  background: #fffdfa;
  min-height: 44px;
}

.contact-form textarea {
  min-height: 120px;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid #f8c089;
  outline-offset: 1px;
}

.contact-form button {
  width: 100%;
}

.form-status {
  margin: 0.6rem 0 0;
  font-size: 0.9rem;
  min-height: 1.2em;
}

.form-status--success {
  color: #2d7a3a;
}

.form-status--error {
  color: #b91c1c;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 2.2rem 0;
  background: #fff7ee;
}

.footer-inner {
  display: grid;
  gap: 0.25rem;
}

.footer-inner p {
  margin: 0;
  color: #525b69;
  font-size: 0.92rem;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

@media (max-width: 719px) {
  .section {
    padding: 3rem 0;
  }

  .section-projects {
    padding-top: 1.5rem;
  }

  .contact-form input,
  .contact-form textarea {
    font-size: 16px;
    min-height: 48px;
  }

  .contact-form textarea {
    min-height: 140px;
  }
}

@media (min-width: 720px) {
  .site-nav {
    position: static;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background: transparent;
    border: 0;
    box-shadow: none;
    padding: 0;
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  .site-nav a {
    padding: 0.4rem 0.72rem;
  }

  .nav-toggle {
    display: none;
  }

  .project-card {
    grid-template-columns: 1.35fr 0.65fr;
    align-items: center;
    padding: 1.8rem;
  }

  .contact-grid {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
  }

  .contact-form {
    padding: 1.2rem;
  }

  .contact-form button {
    width: auto;
  }

  .footer-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: center;
  }

  .footer-inner p:nth-child(2) {
    text-align: right;
  }
}