/* =====================================================
   PORTFOLIO CSS — Apple-Inspired Design
   Palette: #000000 #14213D #FCA311 #E5E5E5 #FFFFFF
   ===================================================== */

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

:root {
  --black: #000000;
  --navy: #14213D;
  --amber: #3B82F6;
  --light: #E5E5E5;
  --white: #FFFFFF;
  --bg: #0A0A0A;
  --bg-dark: #0D1421;
  --text-primary: #F5F5F5;
  --text-secondary: #A0A0A0;
  --border: rgba(255, 255, 255, 0.08);
  --card-bg: rgba(255, 255, 255, 0.03);
  --radius: 16px;
  --radius-sm: 8px;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection {
  background: var(--amber);
  color: var(--black);
}

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

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

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar {
  width: 4px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--amber);
  border-radius: 2px;
}

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

.accent {
  color: var(--amber);
}

.accent-dot {
  color: var(--amber);
}

.section {
  padding: 120px 0;
}

.section-dark {
  background: var(--bg-dark);
}

.section-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 64px;
}

/* ---- FADE UP ANIMATIONS ---- */
.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 {
  transition-delay: 0.1s;
}

.delay-2 {
  transition-delay: 0.2s;
}

.delay-3 {
  transition-delay: 0.3s;
}

.delay-4 {
  transition-delay: 0.4s;
}

.delay-5 {
  transition-delay: 0.5s;
}

.delay-6 {
  transition-delay: 0.6s;
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--amber);
  color: var(--black);
}

.btn-primary:hover {
  background: #FFB733;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(252, 163, 17, 0.35);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255, 255, 255, 0.25);
}

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

.btn-full {
  width: 100%;
  justify-content: center;
}

/* =====================================================
   NAVBAR — Liquid Glass
   ===================================================== */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 24px;
  isolation: isolate;
  overflow: hidden;
  /* clip SVG filter displacement bleed on mobile */
  background: rgba(255, 255, 255, 0.04);
  transition: background 0.4s ease;
}

/* --- Glass distortion layer (backdrop blur + SVG warp) --- */
#navbar::before {
  content: '';
  position: absolute;
  inset: 0;
  backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  filter: url(#glass-distortion);
  z-index: -1;
  pointer-events: none;
}

/* --- Shine edges: top highlight + bottom border --- */
#navbar::after {
  content: '';
  position: absolute;
  inset: 0;
  box-shadow:
    inset 0 1px 0 rgb(255 255 255 / 14%),
    inset 0 -1px 0 rgb(255 255 255 / 5%),
    0 1px 0 rgb(0 0 0 / 30%);
  pointer-events: none;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.nav-logo {
  font-size: 24px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 40px;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

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

.nav-cta {
  font-size: 14px;
  font-weight: 600;
  color: var(--amber);
  padding: 8px 20px;
  border: 1.5px solid var(--amber);
  border-radius: 100px;
  transition: var(--transition);
}

.nav-cta:hover {
  background: var(--amber);
  color: var(--black);
}

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

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* Mobile nav menu */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    gap: 0;
    padding: 24px 0;
    transform: translateY(-110%);
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border-bottom: 1px solid var(--border);
  }

  .nav-links.open {
    transform: translateY(0);
  }

  .nav-links li {
    width: 100%;
    text-align: center;
  }

  .nav-link {
    display: block;
    padding: 16px 24px;
    font-size: 16px;
    color: var(--text-primary);
  }

  .nav-hamburger {
    display: flex;
  }

  .nav-cta {
    display: none;
  }

  .nav-hamburger.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

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

  .nav-hamburger.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
}

/* =====================================================
   HERO
   ===================================================== */
#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 100px 24px 60px;
  position: relative;
  overflow: hidden;
  max-width: 100vw;
}

/* Subtle grid background */
#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(252, 163, 17, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(252, 163, 17, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

/* Radial glow */
#hero::after {
  content: '';
  position: absolute;
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
  width: min(700px, 150vw);
  height: 500px;
  background: radial-gradient(ellipse at center, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-eyebrow {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.hero-title {
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.18;
  color: var(--white);
  margin-bottom: 24px;
}

.hero-accent {
  color: var(--amber);
  position: relative;
}

.hero-subtitle {
  font-size: clamp(14px, 1.5vw, 16px);
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 44px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.hero-socials {
  display: flex;
  gap: 32px;
  justify-content: center;
  flex-wrap: wrap;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

.social-link:hover {
  color: var(--amber);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--amber), transparent);
  animation: scrollPulse 2s ease infinite;
}

@keyframes scrollPulse {

  0%,
  100% {
    opacity: 0.3;
    transform: scaleY(1);
  }

  50% {
    opacity: 1;
    transform: scaleY(1.1);
  }
}

.hide-mobile {
  display: inline;
}

@media (max-width: 600px) {
  .hide-mobile {
    display: none;
  }

  .hero-scroll-hint {
    display: none;
  }
}

/* =====================================================
   ABOUT
   ===================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 80px;
  align-items: start;
}

.about-para {
  color: var(--text-secondary);
  font-size: 17px;
  line-height: 1.8;
  margin-bottom: 20px;
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
}

.tag {
  font-size: 13px;
  font-weight: 500;
  padding: 6px 16px;
  border-radius: 100px;
  border: 1.5px solid var(--border);
  color: var(--text-secondary);
  transition: var(--transition);
  background: var(--card-bg);
}

.tag:hover {
  border-color: var(--amber);
  color: var(--amber);
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: var(--transition);
}

.stat-card:hover {
  border-color: rgba(252, 163, 17, 0.3);
  background: rgba(252, 163, 17, 0.04);
  transform: translateY(-4px);
}

.stat-number {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 13px;
  color: var(--text-secondary);
}

@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

@media (max-width: 600px) {
  .about-stats {
    grid-template-columns: 1fr 1fr;
  }
}

/* =====================================================
   SKILLS
   ===================================================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.skill-group {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: var(--transition);
}

.skill-group:hover {
  border-color: rgba(252, 163, 17, 0.3);
  background: rgba(252, 163, 17, 0.03);
  transform: translateY(-4px);
}

.skill-group-icon {
  margin-bottom: 20px;
}

.skill-group-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.skill-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.skill-list li {
  font-size: 14px;
  color: var(--text-secondary);
  padding-left: 14px;
  position: relative;
}

.skill-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--amber);
}

@media (max-width: 900px) {
  .skills-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .skills-grid {
    grid-template-columns: 1fr;
  }
}

/* =====================================================
   PROJECTS
   ===================================================== */
.projects-list {
  display: flex;
  flex-direction: column;
  gap: 100px;
}

.project-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

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

.project-card-reverse .project-preview {
  order: 2;
}

.project-card-reverse .project-info {
  order: 1;
}

/* Project Preview */
.project-preview-img {
  border-radius: var(--radius);
  aspect-ratio: 4/3;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 28px;
  transition: var(--transition);
}

.project-preview-img:hover {
  transform: scale(1.02);
  border-color: rgba(252, 163, 17, 0.3);
}

.cc-preview {
  background: linear-gradient(135deg, #0D1B2A 0%, #1B2A3B 100%);
}

.csv-preview {
  background: linear-gradient(135deg, #0D1421 0%, #152032 100%);
}

.rag-preview {
  background: linear-gradient(135deg, #0D0D0D 0%, #1A0F00 100%);
}

.preview-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: rgba(252, 163, 17, 0.15);
  color: var(--amber);
  border: 1px solid rgba(252, 163, 17, 0.3);
  border-radius: 100px;
  padding: 4px 12px;
}

/* Credit Card UI Preview */
.preview-ui-credit,
.preview-ui-csv,
.preview-ui-rag {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 16px;
}

.pui-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.pui-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
}

.pui-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.03em;
}

.pui-stat-row {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
}

.pui-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.pui-num {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
}

.pui-lbl {
  font-size: 10px;
  color: var(--text-secondary);
}

.pui-bar-row {
  margin-bottom: 8px;
}

.pui-bar-label {
  font-size: 10px;
  color: var(--text-secondary);
  margin-bottom: 4px;
  display: block;
}

.pui-bar {
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  overflow: hidden;
}

.pui-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--amber), #FFD166);
  border-radius: 2px;
}

/* CSV Upload UI */
.csv-upload-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 16px;
  border: 1.5px dashed rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  margin-bottom: 12px;
}

.csv-upload-icon {
  font-size: 24px;
}

.csv-upload-text {
  font-size: 12px;
  font-weight: 600;
  color: var(--white);
}

.csv-upload-sub {
  font-size: 10px;
  color: var(--text-secondary);
}

.csv-chat-bubble {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.bubble {
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 11px;
  line-height: 1.4;
  max-width: 90%;
}

.bubble-bot {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  align-self: flex-start;
}

.bubble-user {
  background: rgba(252, 163, 17, 0.12);
  color: var(--amber);
  align-self: flex-end;
  border: 1px solid rgba(252, 163, 17, 0.2);
}

/* RAG Pipeline UI */
.rag-pipeline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 16px;
}

.rag-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 10px 14px;
}

.rag-step-icon {
  font-size: 18px;
}

.rag-step-text {
  font-size: 9px;
  color: var(--text-secondary);
}

.rag-arrow {
  color: var(--amber);
  font-size: 14px;
  font-weight: 700;
}

/* Project Info */
.project-num {
  font-size: 72px;
  font-weight: 800;
  color: rgba(252, 163, 17, 0.08);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: -16px;
}

.project-title {
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 16px;
}

.project-desc {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 24px;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.project-tech span {
  font-size: 12px;
  font-weight: 500;
  padding: 4px 14px;
  border-radius: 100px;
  background: rgba(252, 163, 17, 0.08);
  color: var(--amber);
  border: 1px solid rgba(252, 163, 17, 0.2);
}

.project-links {
  display: flex;
  gap: 16px;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 10px 20px;
  border: 1.5px solid var(--border);
  border-radius: 100px;
  transition: var(--transition);
}

.project-link:hover {
  color: var(--amber);
  border-color: var(--amber);
}

@media (max-width: 900px) {

  .project-card,
  .project-card-reverse {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .project-card-reverse .project-preview {
    order: 0;
  }

  .project-card-reverse .project-info {
    order: 0;
  }

  .projects-list {
    gap: 64px;
  }
}

/* =====================================================
   EDUCATION / TIMELINE
   ===================================================== */
.timeline {
  position: relative;
  padding-left: 40px;
  margin-bottom: 64px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--amber), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: 48px;
}

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

.timeline-dot {
  position: absolute;
  left: -36px;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-dark);
  border: 2px solid var(--amber);
  box-shadow: 0 0 12px rgba(252, 163, 17, 0.4);
}

.timeline-year {
  font-size: 13px;
  font-weight: 600;
  color: var(--amber);
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.timeline-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.timeline-place {
  font-size: 14px;
  color: var(--text-secondary);
}

/* Interests */
.interests-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.interest-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  padding: 10px 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-secondary);
  transition: var(--transition);
}

.interest-chip:hover {
  border-color: var(--amber);
  color: var(--white);
}

.interest-icon {
  font-size: 16px;
}

/* =====================================================
   CONTACT
   ===================================================== */
.contact-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 64px;
  margin-top: -40px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-item-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(252, 163, 17, 0.08);
  border: 1px solid rgba(252, 163, 17, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.contact-item-value {
  font-size: 15px;
  color: var(--white);
  transition: color 0.3s ease;
}

.contact-item-value:hover {
  color: var(--amber);
}

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

.form-group input,
.form-group textarea {
  background: rgba(255, 255, 255, 0.04);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-family: var(--font);
  font-size: 15px;
  color: var(--white);
  outline: none;
  transition: border-color 0.3s ease;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(160, 160, 160, 0.5);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--amber);
  background: rgba(252, 163, 17, 0.04);
}

.form-note {
  font-size: 14px;
  text-align: center;
  min-height: 20px;
  color: var(--amber);
}

.form-note.error {
  color: #ff6b6b;
}

@media (max-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .contact-subtitle {
    margin-top: -32px;
  }
}

/* =====================================================
   FOOTER
   ===================================================== */
#footer {
  background: var(--black);
  border-top: 1px solid var(--border);
  padding: 48px 24px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-logo {
  font-size: 28px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
}

.footer-copy {
  font-size: 13px;
  color: var(--text-secondary);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

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

@media (max-width: 600px) {
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

/* =====================================================
   RESPONSIVE TWEAKS
   ===================================================== */
@media (max-width: 768px) {
  .section {
    padding: 80px 0;
  }

  .section-title {
    margin-bottom: 40px;
  }
}

@media (max-width: 480px) {
  .section {
    padding: 64px 0;
  }

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