/* ==========================================================================
   ARYA WIRA ARDIASYA — PORTFOLIO DESIGN SYSTEM (APPLE AESTHETIC)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* --------------------------------------------------------------------------
   COLOR VARIABLES & THEME TOKENS
   -------------------------------------------------------------------------- */
:root {
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'SF Pro Display', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Text', sans-serif;

  /* Light Theme (Apple Broken White & Deep Charcoal) */
  --bg-main: #f5f5f7;
  --bg-card: #ffffff;
  --bg-card-hover: #fcfcfd;
  --bg-glass: rgba(245, 245, 247, 0.82);
  --bg-subtle: #e8e8ed;

  --text-primary: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-tertiary: #86868b;

  --accent-color: #0ea5e9;
  --accent-hover: #0284c7;
  --accent-light: rgba(14, 165, 233, 0.12);
  --accent-gradient: linear-gradient(135deg, #38bdf8 0%, #0284c7 100%);

  --border-color: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(0, 0, 0, 0.16);

  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.03);
  --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.1);
  --shadow-lanyard: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  --badge-bg: #e0f2fe;
  --badge-text: #0369a1;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 9999px;

  --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Dark Theme Token Overrides */
[data-theme="dark"] {
  --bg-main: #000000;
  --bg-card: #1c1c1e;
  --bg-card-hover: #2c2c2e;
  --bg-glass: rgba(0, 0, 0, 0.82);
  --bg-subtle: #2c2c2e;

  --text-primary: #f5f5f7;
  --text-secondary: #a1a1a6;
  --text-tertiary: #86868b;

  --accent-color: #38bdf8;
  --accent-hover: #7dd3fc;
  --accent-light: rgba(56, 189, 248, 0.18);
  --accent-gradient: linear-gradient(135deg, #7dd3fc 0%, #0284c7 100%);

  --border-color: rgba(255, 255, 255, 0.12);
  --border-hover: rgba(255, 255, 255, 0.24);

  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.6);

  --badge-bg: rgba(56, 189, 248, 0.15);
  --badge-text: #7dd3fc;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.4s ease, color 0.4s ease;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
  background: none;
}

ul {
  list-style: none;
}

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

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --------------------------------------------------------------------------
   NAVIGATION BAR (GLASSMORPHISM APPLE HEADER)
   -------------------------------------------------------------------------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-smooth);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo-img {
  height: 36px;
  width: auto;
  object-fit: contain;
  display: block;
  transition: var(--transition-fast);
}

.nav-brand:hover .nav-logo-img {
  transform: scale(1.05);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-color);
  border-radius: 2px;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  background: var(--bg-subtle);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition-fast);
  border: 1px solid var(--border-color);
}

.theme-toggle:hover {
  transform: scale(1.05);
  border-color: var(--border-hover);
}

.mobile-nav-toggle {
  display: none;
  font-size: 1.5rem;
  color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   HERO SECTION (HOME + LANYARD STAGE)
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  min-height: 100vh;
  padding-top: 100px;
  padding-bottom: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 40px;
  width: 100%;
}

.hero-content {
  max-width: 580px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--accent-light);
  color: var(--accent-color);
  font-size: 0.825rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-eyebrow .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-color);
  box-shadow: 0 0 10px var(--accent-color);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.hero-subtitle {
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 2.8vw, 2rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-description {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 32px;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition-fast);
  text-align: center;
}

.btn-primary {
  background-color: var(--accent-color);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(0, 113, 227, 0.3);
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 113, 227, 0.4);
}

.btn-secondary {
  background-color: var(--bg-subtle);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--border-color);
  transform: translateY(-2px);
}

/* Hero Stage / Lanyard Wrapper */
.hero-stage-wrapper {
  position: relative;
  width: 100%;
  height: 540px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* --------------------------------------------------------------------------
   SECTION HEADINGS & LAYOUT SYSTEM
   -------------------------------------------------------------------------- */
.section {
  padding: 100px 0;
  border-top: 1px solid var(--border-color);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 60px auto;
}

.section-tag {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-color);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   SECTION 2: ABOUT ME & WHAT I DO
   -------------------------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.card-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.card-box:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--border-hover);
}

.about-bio-text {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

/* Tech Stack Badges */
.tech-stack-container {
  margin-top: 28px;
}

.tech-stack-title {
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 16px;
}

.tech-badge-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tech-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  background: var(--badge-bg);
  color: var(--badge-text);
  font-size: 0.85rem;
  font-weight: 500;
  border: 1px solid var(--border-color);
  transition: var(--transition-fast);
}

.tech-badge:hover {
  transform: translateY(-2px);
  border-color: var(--accent-color);
  color: var(--accent-color);
}

/* Service Grid (What I Do) */
.service-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.service-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 20px;
  border-radius: var(--radius-md);
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  transition: var(--transition-fast);
}

.service-item:hover {
  background: var(--bg-card);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.service-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--accent-light);
  color: var(--accent-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.service-content h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.service-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* EXPANDABLE ACCORDION / CARD REVEAL */
.accordion-wrapper {
  margin-top: 24px;
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  background: var(--accent-light);
  color: var(--accent-color);
  font-weight: 600;
  font-size: 0.9rem;
  border: 1px solid rgba(0, 113, 227, 0.2);
  transition: var(--transition-fast);
}

.accordion-trigger:hover {
  background: rgba(0, 113, 227, 0.12);
}

.accordion-icon {
  transition: transform 0.3s ease;
  font-size: 1.1rem;
}

.accordion-trigger.open .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
  opacity: 0;
}

.accordion-content.open {
  opacity: 1;
  padding-top: 16px;
}

.accordion-body {
  font-size: 0.925rem;
  color: var(--text-secondary);
  line-height: 1.6;
  background: var(--bg-main);
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

/* --------------------------------------------------------------------------
   SECTION 3: RESUME (EDUCATION & EXPERIENCE TIMELINE)
   -------------------------------------------------------------------------- */
.resume-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  transition: var(--transition-fast);
}

.tab-btn.active,
.tab-btn:hover {
  color: #ffffff;
  background: var(--accent-color);
  border-color: var(--accent-color);
  box-shadow: 0 4px 12px rgba(0, 113, 227, 0.25);
}

.tab-content {
  display: none;
  animation: fadeIn 0.4s ease forwards;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Timeline Layout */
.timeline-list {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
  padding-left: 32px;
}

.timeline-list::before {
  content: '';
  position: absolute;
  top: 12px;
  bottom: 12px;
  left: 11px;
  width: 2px;
  background: var(--border-color);
}

.timeline-item {
  position: relative;
  margin-bottom: 32px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -32px;
  top: 24px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 3px solid var(--accent-color);
  box-shadow: 0 0 0 4px var(--accent-light);
  z-index: 2;
}

.timeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.timeline-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--border-hover);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 12px;
}

.timeline-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.timeline-date {
  font-size: 0.825rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: var(--accent-light);
  color: var(--accent-color);
}

.timeline-company {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 14px;
  display: block;
}

.timeline-description {
  font-size: 0.925rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   SECTION 4: PORTFOLIO & PROJECTS
   -------------------------------------------------------------------------- */
.project-filters {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  transition: var(--transition-fast);
}

.filter-btn.active,
.filter-btn:hover {
  color: var(--text-primary);
  border-color: var(--accent-color);
  background: var(--accent-light);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-hover);
}

.project-img-wrapper {
  position: relative;
  width: 100%;
  height: 220px;
  overflow: hidden;
  background: var(--bg-subtle);
}

.project-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project-card:hover .project-img-wrapper img {
  transform: scale(1.06);
}

.project-overlay-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.project-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.project-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.project-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 20px;
  flex: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.project-tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: var(--badge-bg);
  color: var(--badge-text);
}

.project-link-btn {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  background: var(--bg-main);
  color: var(--accent-color);
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid var(--border-color);
  transition: var(--transition-fast);
}

.project-link-btn:hover {
  background: var(--accent-color);
  color: #ffffff;
  border-color: var(--accent-color);
}

/* --------------------------------------------------------------------------
   SECTION 5: CERTIFICATIONS
   -------------------------------------------------------------------------- */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  gap: 16px;
  align-items: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.cert-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-color);
}

.cert-thumb {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--bg-subtle);
}

.cert-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cert-info h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.cert-info p {
  font-size: 0.825rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.cert-link {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-color);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* --------------------------------------------------------------------------
   SECTION 6: CONTACT & FOOTER
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}

.contact-info-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 24px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--accent-light);
  color: var(--accent-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-detail label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  display: block;
  margin-bottom: 2px;
}

.contact-detail p,
.contact-detail a {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.social-links-bar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.social-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-pill);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  transition: var(--transition-fast);
}

.social-btn:hover {
  background: var(--accent-color);
  color: #ffffff;
  border-color: var(--accent-color);
  transform: translateY(-3px);
}

/* Contact Form */
.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--accent-color);
  background: var(--bg-card);
  box-shadow: 0 0 0 4px var(--accent-light);
}

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

/* Footer */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border-color);
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-tertiary);
}

/* --------------------------------------------------------------------------
   RESPONSIVE DESIGN (MEDIA QUERIES)
   -------------------------------------------------------------------------- */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 30px;
  }

  .hero-content {
    max-width: 100%;
    margin: 0 auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-stage-wrapper {
    height: 480px;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

  .mobile-nav-toggle {
    display: block;
  }

  .section {
    padding: 60px 0;
  }

  .hero-title {
    font-size: 2.25rem;
  }

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