/*
Theme Name: Sebastian Gonzalez Portfolio
Theme URI: https://sebastiangonzalez.com
Author: Sebastian Gonzalez
Description: A clean, architectural portfolio theme for Sebastian Gonzalez - Architecture & Digital Media
Version: 1.0
License: GNU General Public License v2 or later
Text Domain: sebastian-portfolio
*/

/* =====================
   IMPORTS & VARIABLES
   ===================== */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400&family=DM+Mono:wght@300;400&family=Outfit:wght@300;400;500&display=swap');

:root {
  --color-bg: #F7F5F0;
  --color-surface: #FFFFFF;
  --color-ink: #1A1916;
  --color-ink-muted: #6B6860;
  --color-ink-faint: #B5B3AE;
  --color-accent: #C4A882;
  --color-accent-dark: #8B7355;
  --color-border: #E2DED7;
  --color-border-strong: #C8C4BC;

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Outfit', sans-serif;
  --font-mono: 'DM Mono', monospace;

  --max-width: 1200px;
  --section-pad: 7rem 2rem;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-weight: 300;
  background: var(--color-bg);
  color: var(--color-ink);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

/* =====================
   TYPOGRAPHY
   ===================== */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(3rem, 7vw, 6rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.4rem, 2.5vw, 2rem); }
h4 { font-size: 1.25rem; }

p { max-width: 65ch; }

.label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

/* =====================
   LAYOUT UTILITIES
   ===================== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: var(--section-pad);
}

.section--alt {
  background: var(--color-surface);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

/* =====================
   NAVIGATION
   ===================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--transition), backdrop-filter var(--transition);
}

.site-header.scrolled {
  background: rgba(247, 245, 240, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.site-logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--color-ink);
}

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

.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  transition: color var(--transition);
}

.nav-links a:hover {
  color: var(--color-ink);
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--color-ink);
  transition: var(--transition);
}

/* =====================
   HERO
   ===================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  padding: 8rem 2rem 5rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 59px,
      var(--color-border) 59px,
      var(--color-border) 60px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 59px,
      var(--color-border) 59px,
      var(--color-border) 60px
    );
  opacity: 0.35;
}

.hero-content {
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.hero-eyebrow::before {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background: var(--color-accent);
}

.hero h1 {
  margin-bottom: 1.5rem;
  max-width: 14ch;
}

.hero h1 em {
  font-style: italic;
  color: var(--color-accent-dark);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--color-ink-muted);
  margin-bottom: 3rem;
  max-width: 45ch;
}

.hero-cta {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--color-ink);
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background: var(--color-ink);
  color: var(--color-bg);
}

.btn-primary:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
}

.btn-outline:hover {
  background: var(--color-ink);
  color: var(--color-bg);
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  right: 2rem;
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-ink-faint);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.hero-scroll::after {
  content: '';
  display: block;
  width: 1px;
  height: 50px;
  background: var(--color-accent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.4; transform: scaleY(0.6); }
}

/* =====================
   ABOUT
   ===================== */
.about {
  padding: var(--section-pad);
}

.section-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.section-number {
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 300;
  color: var(--color-border-strong);
  line-height: 1;
  letter-spacing: -0.03em;
}

.section-title-group h2 {
  margin-bottom: 0.25rem;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.about-bio {
  font-size: 1.05rem;
  color: var(--color-ink-muted);
  line-height: 1.85;
}

.about-details {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.detail-block {
  border-left: 2px solid var(--color-accent);
  padding-left: 1.5rem;
}

.detail-block .label {
  margin-bottom: 0.75rem;
}

.detail-block h4 {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.detail-block p {
  font-size: 0.9rem;
  color: var(--color-ink-muted);
}

/* =====================
   SKILLS
   ===================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5px;
  background: var(--color-border);
  border: 1.5px solid var(--color-border);
  margin-top: 4rem;
}

.skill-card {
  background: var(--color-surface);
  padding: 2.5rem;
  transition: background var(--transition);
}

.skill-card:hover {
  background: var(--color-bg);
}

.skill-icon {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 300;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
  line-height: 1;
}

.skill-card h4 {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
  letter-spacing: 0.02em;
}

.skill-card p {
  font-size: 0.88rem;
  color: var(--color-ink-muted);
}

/* =====================
   WORK / PORTFOLIO
   ===================== */
.work {
  padding: var(--section-pad);
}

.project-card {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 0;
  border: 1px solid var(--color-border);
  overflow: hidden;
  margin-bottom: 2rem;
  transition: border-color var(--transition);
}

.project-card:hover {
  border-color: var(--color-accent);
}

.project-card:nth-child(even) {
  grid-template-columns: 1.4fr 1fr;
}

.project-card:nth-child(even) .project-visual {
  order: -1;
}

.project-visual {
  background: var(--color-border);
  min-height: 380px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-visual-placeholder {
  font-family: var(--font-display);
  font-size: 1rem;
  font-style: italic;
  color: var(--color-ink-faint);
  text-align: center;
  padding: 2rem;
}

.project-visual svg {
  opacity: 0.15;
  position: absolute;
}

.project-info {
  padding: 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--color-surface);
}

.project-number {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.project-info h3 {
  margin-bottom: 0.5rem;
}

.project-type {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin-bottom: 1.5rem;
}

.project-description {
  font-size: 0.95rem;
  color: var(--color-ink-muted);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--color-border-strong);
  color: var(--color-ink-muted);
}

.project-scope {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.scope-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.88rem;
  color: var(--color-ink-muted);
}

.scope-item::before {
  content: '';
  display: block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}

/* =====================
   CONTACT
   ===================== */
.contact {
  padding: var(--section-pad);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: start;
}

.contact-intro h2 {
  margin-bottom: 1.5rem;
}

.contact-intro p {
  color: var(--color-ink-muted);
  margin-bottom: 2.5rem;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
  text-transform: uppercase;
  transition: color var(--transition);
}

.contact-link::before {
  content: '→';
  color: var(--color-accent);
}

.contact-link:hover {
  color: var(--color-ink);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.form-group input,
.form-group textarea {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 0.9rem 1rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--color-ink);
  outline: none;
  transition: border-color var(--transition);
  resize: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent-dark);
}

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

/* =====================
   FOOTER
   ===================== */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--color-ink-faint);
  text-transform: uppercase;
}

.footer-links {
  display: flex;
  gap: 2rem;
}

.footer-links a {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--color-ink-faint);
  text-transform: uppercase;
  transition: color var(--transition);
}

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

/* =====================
   RESPONSIVE
   ===================== */
@media (max-width: 900px) {
  .about-content,
  .contact-inner,
  .project-card,
  .project-card:nth-child(even) {
    grid-template-columns: 1fr;
  }

  .project-card:nth-child(even) .project-visual {
    order: 0;
  }

  .project-visual {
    min-height: 240px;
  }

  .nav-links {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--color-bg);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    z-index: 99;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    font-size: 1rem;
  }

  .nav-hamburger {
    display: flex;
    z-index: 101;
  }

  .section-number {
    font-size: 3rem;
  }
}

@media (max-width: 600px) {
  :root {
    --section-pad: 4rem 1.25rem;
  }

  .hero {
    padding: 7rem 1.25rem 4rem;
  }

  .project-info {
    padding: 2rem 1.5rem;
  }

  .site-footer {
    flex-direction: column;
    text-align: center;
  }
}