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

:root {
  --cream: #fdf8f2;
  --warm-white: #fff9f3;
  --orange: #e8714a;
  --orange-light: #f59e6e;
  --orange-dark: #c85a32;
  --teal: #4a9e9e;
  --teal-light: #6ebdbd;
  --brown: #5c3d2e;
  --brown-light: #8b6558;
  --text: #2d1f17;
  --text-soft: #6b4f42;
  --card-bg: #ffffff;
  --border: #e8d9cc;
  --shadow: rgba(92, 61, 46, 0.12);
  --radius: 16px;
  --radius-sm: 8px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background-color: var(--cream);
  color: var(--text);
  line-height: 1.7;
  font-size: 1rem;
}

/* =====================
   Container
   ===================== */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* =====================
   Navigation
   ===================== */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(253, 248, 242, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

nav {
  max-width: 900px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--orange-dark);
  text-decoration: none;
  letter-spacing: -0.02em;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
}

nav ul a {
  color: var(--text-soft);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}

nav ul a:hover {
  color: var(--orange);
}

/* =====================
   Hero
   ===================== */
.hero {
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 1.5rem;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(232, 113, 74, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 30%, rgba(74, 158, 158, 0.08) 0%, transparent 60%),
    var(--warm-white);
}

.hero-content {
  max-width: 640px;
}

.hero h1 {
  font-size: clamp(2.6rem, 7vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--brown);
  margin-bottom: 1.2rem;
}

.hero h1 span {
  color: var(--orange);
}

.tagline {
  font-size: clamp(1.05rem, 2.5vw, 1.3rem);
  color: var(--text-soft);
  margin-bottom: 2.5rem;
  font-weight: 400;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* =====================
   Buttons
   ===================== */
.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  border-radius: 100px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.18s, box-shadow 0.18s, background-color 0.18s;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background-color: var(--orange);
  color: #fff;
  box-shadow: 0 4px 18px rgba(232, 113, 74, 0.35);
}

.btn-primary:hover {
  background-color: var(--orange-dark);
  box-shadow: 0 6px 22px rgba(232, 113, 74, 0.45);
}

.btn-secondary {
  background-color: transparent;
  color: var(--orange-dark);
  border: 2px solid var(--orange);
}

.btn-secondary:hover {
  background-color: rgba(232, 113, 74, 0.08);
}

/* =====================
   Sections
   ===================== */
.section {
  padding: 5rem 0;
}

.section h2 {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 700;
  color: var(--brown);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

/* =====================
   About
   ===================== */
.about {
  background-color: var(--card-bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.about p {
  font-size: 1.1rem;
  color: var(--text-soft);
  max-width: 620px;
  line-height: 1.8;
}

/* =====================
   Projects
   ===================== */
.projects {
  background-color: var(--cream);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 0.5rem;
}

.project-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: 0 2px 12px var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px var(--shadow);
}

.project-card.featured {
  border-color: var(--orange-light);
  background: linear-gradient(135deg, #fff9f3 0%, #fff3e8 100%);
}

.project-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  background-color: var(--orange);
  color: #fff;
  margin-bottom: 1rem;
}

.project-badge.muted {
  background-color: var(--border);
  color: var(--brown-light);
}

.project-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--brown);
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
}

.project-card p {
  color: var(--text-soft);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* =====================
   Contact
   ===================== */
.contact {
  background-color: var(--card-bg);
  border-top: 1px solid var(--border);
  text-align: center;
}

.contact p {
  color: var(--text-soft);
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.contact-email {
  display: inline-block;
  margin-top: 1rem;
  font-size: 1rem;
  color: var(--brown-light);
  background-color: var(--cream);
  border: 1px dashed var(--border);
  padding: 0.75rem 2rem;
  border-radius: var(--radius-sm);
  font-style: italic;
}

/* =====================
   Footer
   ===================== */
footer {
  background-color: var(--brown);
  color: rgba(255, 249, 243, 0.7);
  text-align: center;
  padding: 2rem 1.5rem;
  font-size: 0.9rem;
}

/* =====================
   Responsive
   ===================== */
@media (max-width: 600px) {
  nav ul {
    gap: 1.2rem;
  }

  nav ul a {
    font-size: 0.88rem;
  }

  .hero {
    min-height: 80vh;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 280px;
    text-align: center;
  }

  .project-grid {
    grid-template-columns: 1fr;
  }
}