/* ===================================================================
   Harendra — Portfolio Design System
   Warm editorial aesthetic inspired by "Madison" portfolio
   =================================================================== */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=Playfair+Display:ital,wght@0,400;0,700;1,400;1,700&display=swap');

/* ── Design Tokens ── */
:root {
  /* Colour palette */
  --canvas:       #F7F1E8;
  --ink:          #111111;
  --terracotta:   #C9743B;
  --peach:        #F3C99B;
  --peach-light:  #FBE8D0;
  --grey:         #6B6B6B;
  --surface:      #FFFFFF;
  --surface-hover:#FDFAF6;
  --overlay:      rgba(17, 17, 17, 0.7);

  /* Typography */
  --font-display: 'Inter', sans-serif;
  --font-accent:  'Playfair Display', serif;
  --font-body:    'Inter', sans-serif;

  /* Spacing scale */
  --sp-xs:   0.25rem;
  --sp-sm:   0.5rem;
  --sp-md:   1rem;
  --sp-lg:   1.5rem;
  --sp-xl:   2rem;
  --sp-2xl:  3rem;
  --sp-3xl:  4rem;
  --sp-4xl:  6rem;
  --sp-5xl:  8rem;

  /* Layout */
  --max-width: 1200px;
  --nav-height: 72px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.2s var(--ease-out);
  --transition-base: 0.4s var(--ease-out);
  --transition-slow: 0.8s var(--ease-out);

  /* Border */
  --hairline: 1px solid rgba(17, 17, 17, 0.1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink);
  background-color: var(--canvas);
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

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

/* ── Typography ── */
.display-xl {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(3rem, 8vw, 7rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.display-lg {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.display-md {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.accent-text {
  font-family: var(--font-accent);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.75rem, 4vw, 3rem);
  line-height: 1.2;
  color: var(--grey);
}

.stat-number {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.body-lg {
  font-size: 1.125rem;
  line-height: 1.7;
}

.body-sm {
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--grey);
}

.label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--grey);
}

/* ── Layout ── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--sp-xl);
}

section {
  padding: var(--sp-5xl) 0;
}

.section-divider {
  border: none;
  border-top: var(--hairline);
  margin: 0;
}

/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  transition: background-color var(--transition-fast),
              box-shadow var(--transition-fast),
              backdrop-filter var(--transition-fast);
}

.nav.scrolled {
  background-color: rgba(247, 241, 232, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(17, 17, 17, 0.06);
}

.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--sp-xl);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--font-accent);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--ink);
  transition: opacity var(--transition-fast);
}

.nav__logo:hover {
  opacity: 0.7;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--sp-xl);
}

.nav__link {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--ink);
  position: relative;
  padding: var(--sp-xs) 0;
  transition: color var(--transition-fast);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--terracotta);
  transition: width var(--transition-base);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

.nav__link:hover {
  color: var(--terracotta);
}

.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-sm);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 0.65rem 1.5rem;
  background-color: var(--ink);
  color: var(--canvas);
  border-radius: 100px;
  transition: background-color var(--transition-fast),
              transform var(--transition-fast);
}

.nav__cta:hover {
  background-color: var(--terracotta);
  transform: translateY(-1px);
}

/* Mobile menu */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--sp-sm);
  cursor: pointer;
  z-index: 1001;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--ink);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

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

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

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

/* ── Hero Section ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-height) + var(--sp-3xl));
  padding-bottom: var(--sp-3xl);
  position: relative;
  overflow: hidden;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-3xl);
  align-items: center;
}

.hero__content {
  position: relative;
  z-index: 2;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-sm);
  padding: 0.4rem 1rem 0.4rem 0.6rem;
  background-color: var(--surface);
  border-radius: 100px;
  margin-bottom: var(--sp-xl);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.hero__badge-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--terracotta);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero__badge-text {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--ink);
}

.hero__accent {
  margin-bottom: var(--sp-md);
}

.hero__title {
  margin-bottom: var(--sp-lg);
}

.hero__subtitle {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--terracotta);
  margin-bottom: var(--sp-lg);
}

.hero__description {
  max-width: 480px;
  color: var(--grey);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: var(--sp-2xl);
}

.hero__ctas {
  display: flex;
  align-items: center;
  gap: var(--sp-lg);
  flex-wrap: wrap;
}

.hero__image {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* ── Profile Photo Wrapper ── */
.hero__photo-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2;
}

.hero__photo {
  width: 340px;
  height: 340px;
  object-fit: cover;
  object-position: top center;
  border-radius: 50%;
  border: 5px solid var(--surface);
  box-shadow: 0 20px 60px rgba(17,17,17,0.14), 0 4px 16px rgba(201,116,59,0.12);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
  position: relative;
  z-index: 2;
}

.hero__photo-wrapper:hover .hero__photo {
  transform: scale(1.03);
  box-shadow: 0 28px 72px rgba(17,17,17,0.18), 0 6px 24px rgba(201,116,59,0.2);
}

/* Rotating gradient ring */
.hero__photo-ring {
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  background: conic-gradient(
    from 0deg,
    var(--terracotta),
    var(--peach),
    var(--peach-light),
    var(--terracotta)
  );
  z-index: 1;
  animation: spinRing 8s linear infinite;
}

@keyframes spinRing {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* Soft glow behind photo */
.hero__photo-glow {
  position: absolute;
  inset: -30px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(243,201,155,0.45) 0%, transparent 70%);
  z-index: 0;
  animation: glowPulse 4s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50%       { opacity: 1;   transform: scale(1.08); }
}

/* Floating badge */
.hero__photo-badge {
  position: absolute;
  bottom: 12px;
  right: -16px;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  background-color: var(--surface);
  border-radius: 100px;
  box-shadow: 0 4px 20px rgba(17,17,17,0.12);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ink);
  z-index: 3;
  animation: floatBadge 4s ease-in-out infinite;
}

.hero__photo-badge-icon {
  font-size: 1rem;
}

@keyframes floatBadge {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-6px); }
}

/* Floating decorative elements */
.hero__float {
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--peach) 0%, transparent 70%);
  opacity: 0.5;
  z-index: 0;
  animation: float 6s ease-in-out infinite;
}

.hero__float--1 {
  top: -60px;
  right: -40px;
  width: 300px;
  height: 300px;
}

.hero__float--2 {
  bottom: -30px;
  left: -80px;
  width: 250px;
  height: 250px;
  animation-delay: -3s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-sm);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.85rem 2rem;
  border-radius: 100px;
  transition: all var(--transition-fast);
  cursor: pointer;
  border: none;
}

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

.btn--primary:hover {
  background-color: var(--terracotta);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201, 116, 59, 0.25);
}

.btn--secondary {
  background-color: transparent;
  color: var(--ink);
  border: 1.5px solid var(--ink);
}

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

.btn--icon {
  width: 18px;
  height: 18px;
}

/* ── Services Grid ── */
.services {
  background-color: var(--canvas);
}

.services__header {
  margin-bottom: var(--sp-3xl);
}

.services__label {
  margin-bottom: var(--sp-md);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-lg);
  counter-reset: service;
}

.service-card {
  background-color: var(--surface);
  border-radius: 16px;
  padding: var(--sp-2xl) var(--sp-xl);
  position: relative;
  transition: transform var(--transition-base),
              box-shadow var(--transition-base);
  overflow: hidden;
}

.service-card::before {
  counter-increment: service;
  content: "0" counter(service);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.8rem;
  color: var(--peach);
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: var(--sp-xl);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.06);
}

.service-card__icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--sp-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--peach-light), var(--peach));
  border-radius: 12px;
  font-size: 1.5rem;
}

.service-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: var(--sp-md);
  line-height: 1.3;
}

.service-card__desc {
  font-size: 0.88rem;
  color: var(--grey);
  line-height: 1.6;
}

/* Decorative line on left of first card */
.service-card:first-child::after {
  content: '';
  position: absolute;
  left: 0;
  top: 20%;
  height: 60%;
  width: 3px;
  background: linear-gradient(to bottom, var(--terracotta), var(--peach));
  border-radius: 3px;
}

/* ── Stats Strip ── */
.stats {
  position: relative;
  overflow: hidden;
}

.stats__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-3xl);
  align-items: center;
}

.stats__content {
  position: relative;
  z-index: 2;
}

.stats__heading {
  margin-bottom: var(--sp-lg);
}

.stats__description {
  color: var(--grey);
  max-width: 480px;
  margin-bottom: var(--sp-2xl);
  font-size: 1.05rem;
  line-height: 1.7;
}

.stats__grid {
  display: flex;
  gap: var(--sp-3xl);
  flex-wrap: wrap;
}

.stat-item {
  min-width: 120px;
}

.stat-item__number {
  display: block;
  color: var(--terracotta);
}

.stat-item__label {
  display: block;
  margin-top: var(--sp-xs);
  font-size: 0.85rem;
  color: var(--grey);
  line-height: 1.4;
}

.stats__image {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 4/3;
}

.stats__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.stats__image:hover img {
  transform: scale(1.05);
}

.stats__image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(243, 201, 155, 0.15), transparent);
  pointer-events: none;
}

/* ── Skills Timeline ── */
.skills {
  background-color: var(--canvas);
}

.skills__header {
  margin-bottom: var(--sp-3xl);
}

.skills__table {
  width: 100%;
  border-collapse: collapse;
}

.skills__row {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--sp-xl);
  padding: var(--sp-xl) 0;
  border-top: var(--hairline);
  transition: background-color var(--transition-fast);
  align-items: start;
}

.skills__row:last-child {
  border-bottom: var(--hairline);
}

.skills__row:hover {
  background-color: var(--surface-hover);
}

.skills__category {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--ink);
}

.skills__tools {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-sm);
}

.skills__tag {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.85rem;
  background-color: var(--surface);
  border: 1px solid rgba(17, 17, 17, 0.08);
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--grey);
  transition: all var(--transition-fast);
}

.skills__tag:hover {
  background-color: var(--peach-light);
  border-color: var(--terracotta);
  color: var(--ink);
}

/* ── Workstation Strip ── */
.workstation {
  padding: var(--sp-3xl) 0;
  overflow: hidden;
  background-color: var(--surface);
}

.workstation__header {
  text-align: center;
  margin-bottom: var(--sp-2xl);
}

.workstation__track {
  display: flex;
  gap: var(--sp-3xl);
  animation: scroll-track 25s linear infinite;
  width: max-content;
}

.workstation__track:hover {
  animation-play-state: paused;
}

@keyframes scroll-track {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.workstation__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-sm);
  min-width: 100px;
  opacity: 0.6;
  transition: opacity var(--transition-fast),
              transform var(--transition-fast);
}

.workstation__item:hover {
  opacity: 1;
  transform: translateY(-4px);
}

.workstation__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: linear-gradient(145deg, var(--peach-light), var(--canvas));
  font-size: 1.8rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.04);
}

.workstation__name {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--grey);
  text-align: center;
  white-space: nowrap;
}

/* ── Projects Section ── */
.projects {
  background-color: var(--canvas);
}

.projects__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: var(--sp-3xl);
  flex-wrap: wrap;
  gap: var(--sp-lg);
}

.projects__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-xl);
}

.project-card {
  background-color: var(--surface);
  border-radius: 20px;
  overflow: hidden;
  transition: transform var(--transition-base),
              box-shadow var(--transition-base);
  cursor: pointer;
  position: relative;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 64px rgba(0,0,0,0.08);
}

.project-card__image {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: linear-gradient(135deg, var(--peach-light), var(--canvas));
}

.project-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-card__image img {
  transform: scale(1.08);
}

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(17,17,17,0.4), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
  display: flex;
  align-items: flex-end;
  padding: var(--sp-xl);
}

.project-card:hover .project-card__overlay {
  opacity: 1;
}

.project-card__view {
  color: white;
  font-weight: 600;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
}

.project-card__content {
  padding: var(--sp-xl) var(--sp-xl) var(--sp-2xl);
}

.project-card__tags {
  display: flex;
  gap: var(--sp-sm);
  margin-bottom: var(--sp-md);
  flex-wrap: wrap;
}

.project-card__tag {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.7rem;
  border-radius: 100px;
  background-color: var(--peach-light);
  color: var(--terracotta);
}

.project-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  margin-bottom: var(--sp-sm);
  line-height: 1.3;
}

.project-card__excerpt {
  font-size: 0.88rem;
  color: var(--grey);
  line-height: 1.6;
}

.project-card__metric {
  margin-top: var(--sp-lg);
  display: inline-flex;
  align-items: center;
  gap: var(--sp-sm);
  padding: 0.4rem 1rem;
  background: linear-gradient(135deg, var(--peach-light), var(--peach));
  border-radius: 100px;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--ink);
}

/* ── Project Modal ── */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background-color: var(--overlay);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.modal__container {
  position: relative;
  width: 90%;
  max-width: 900px;
  max-height: 90vh;
  background-color: var(--surface);
  border-radius: 24px;
  overflow-y: auto;
  transform: translateY(30px) scale(0.96);
  transition: transform var(--transition-base);
  z-index: 2001;
}

.modal.active .modal__container {
  transform: translateY(0) scale(1);
}

.modal__close {
  position: sticky;
  top: var(--sp-lg);
  float: right;
  margin-right: var(--sp-lg);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--canvas);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  z-index: 10;
  transition: background-color var(--transition-fast);
}

.modal__close:hover {
  background-color: var(--peach);
}

.modal__image {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.modal__body {
  padding: var(--sp-2xl) var(--sp-2xl) var(--sp-3xl);
}

.modal__tags {
  display: flex;
  gap: var(--sp-sm);
  margin-bottom: var(--sp-lg);
  flex-wrap: wrap;
}

.modal__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: var(--sp-lg);
  line-height: 1.2;
}

.modal__section {
  margin-bottom: var(--sp-xl);
}

.modal__section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--terracotta);
  margin-bottom: var(--sp-md);
}

.modal__text {
  color: var(--grey);
  line-height: 1.7;
  font-size: 0.95rem;
}

.modal__list {
  list-style: none;
  padding: 0;
}

.modal__list li {
  position: relative;
  padding-left: var(--sp-xl);
  margin-bottom: var(--sp-md);
  color: var(--grey);
  font-size: 0.95rem;
  line-height: 1.6;
}

.modal__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--peach);
}

.modal__metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--sp-lg);
  padding: var(--sp-xl);
  background: linear-gradient(135deg, var(--peach-light) 0%, var(--canvas) 100%);
  border-radius: 16px;
}

.modal__metric-item {
  text-align: center;
}

.modal__metric-value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--terracotta);
}

.modal__metric-label {
  font-size: 0.78rem;
  color: var(--grey);
  margin-top: 0.2rem;
}

/* ── Project Card GitHub Link ── */
.project-card__github {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: var(--sp-md);
  padding: 0.45rem 1.1rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 100px;
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
  z-index: 10;
}

.project-card__github svg {
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.project-card__github:hover {
  background: var(--terracotta);
  color: var(--cream);
  border-color: var(--terracotta);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(200, 110, 70, 0.35);
}

.project-card__github:hover svg {
  transform: scale(1.15);
}

/* ── Modal GitHub Button ── */
.modal__github-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin-top: var(--sp-xl);
  padding: 0.75rem 1.6rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--cream);
  background: linear-gradient(135deg, #333, #1a1a1a);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  text-decoration: none;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  letter-spacing: 0.02em;
}

.modal__github-btn svg {
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.modal__github-btn svg:first-child {
  fill: var(--cream);
}

.modal__github-btn svg:last-child {
  opacity: 0.7;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.modal__github-btn:hover {
  background: linear-gradient(135deg, var(--terracotta), #a0522d);
  border-color: var(--terracotta);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(200, 110, 70, 0.4);
}

.modal__github-btn:hover svg:last-child {
  opacity: 1;
  transform: translate(2px, -2px);
}

/* ── About Section ── */
.about {
  background-color: var(--surface);
}

.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4xl);
}

.about__bio {
  position: relative;
}

.about__bio-text {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--grey);
  margin-bottom: var(--sp-xl);
}

.about__bio-text:first-of-type {
  font-size: 1.15rem;
  color: var(--ink);
}

/* Education timeline */
.about__education {
  margin-top: var(--sp-2xl);
}

.about__section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--terracotta);
  margin-bottom: var(--sp-xl);
}

.edu-item {
  padding: var(--sp-lg) 0;
  border-top: var(--hairline);
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: var(--sp-lg);
}

.edu-item:last-child {
  border-bottom: var(--hairline);
}

.edu-item__year {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--grey);
}

.edu-item__title {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.2rem;
}

.edu-item__school {
  font-size: 0.88rem;
  color: var(--grey);
  line-height: 1.5;
}

/* Certifications */
.about__certifications {
  margin-top: var(--sp-2xl);
}

.cert-item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-md);
  padding: var(--sp-md) 0;
  border-top: var(--hairline);
}

.cert-item:last-child {
  border-bottom: var(--hairline);
}

.cert-item__icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--peach-light);
  border-radius: 8px;
  font-size: 0.9rem;
  margin-top: 2px;
}

.cert-item__name {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.15rem;
}

.cert-item__source {
  font-size: 0.8rem;
  color: var(--grey);
}

.cert-item__link {
  font-size: 0.78rem;
  font-weight: 500;
  color: #C9743B;
  text-decoration: underline;
  margin-top: 4px;
  display: inline-block;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.cert-item__link:hover {
  color: #a85e2d;
  opacity: 0.9;
}

/* Activities */
.about__activities {
  margin-top: var(--sp-2xl);
}

.activity-item {
  position: relative;
  padding: var(--sp-sm) 0 var(--sp-sm) var(--sp-xl);
  font-size: 0.9rem;
  color: var(--grey);
  line-height: 1.6;
}

.activity-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.85em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--peach);
}

/* ── Contact Section ── */
.contact {
  background-color: var(--canvas);
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4xl);
}

.contact__info {
  position: relative;
}

.contact__heading {
  margin-bottom: var(--sp-lg);
}

.contact__text {
  color: var(--grey);
  margin-bottom: var(--sp-2xl);
  font-size: 1.05rem;
  line-height: 1.7;
}

.contact__links {
  display: flex;
  flex-direction: column;
  gap: var(--sp-lg);
}

.contact__link-item {
  display: flex;
  align-items: center;
  gap: var(--sp-lg);
  padding: var(--sp-lg);
  background-color: var(--surface);
  border-radius: 14px;
  transition: transform var(--transition-fast),
              box-shadow var(--transition-fast);
}

.contact__link-item:hover {
  transform: translateX(8px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.04);
}

.contact__link-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--peach-light), var(--peach));
  border-radius: 12px;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact__link-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--grey);
  font-weight: 600;
}

.contact__link-value {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink);
}

/* Contact form */
.contact__form {
  background-color: var(--surface);
  border-radius: 24px;
  padding: var(--sp-2xl);
}

.contact__form-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  margin-bottom: var(--sp-xl);
}

.form-group {
  margin-bottom: var(--sp-lg);
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: var(--sp-sm);
  color: var(--ink);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  border: 1.5px solid rgba(17, 17, 17, 0.1);
  border-radius: 12px;
  background-color: var(--canvas);
  color: var(--ink);
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--terracotta);
  box-shadow: 0 0 0 3px rgba(201, 116, 59, 0.1);
}

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

.form-group .error {
  border-color: #e74c3c;
}

.form-group .error-text {
  color: #e74c3c;
  font-size: 0.78rem;
  margin-top: 0.3rem;
  display: none;
}

.form-group .error + .error-text {
  display: block;
}

.form-success {
  display: none;
  align-items: center;
  gap: var(--sp-md);
  padding: var(--sp-lg);
  background: linear-gradient(135deg, #e8f5e9, #c8e6c9);
  border-radius: 12px;
  color: #2e7d32;
  font-weight: 600;
  margin-top: var(--sp-lg);
}

.form-success.show {
  display: flex;
}

/* ── Footer ── */
.footer {
  padding: var(--sp-2xl) 0;
  border-top: var(--hairline);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-lg);
}

.footer__copy {
  font-size: 0.85rem;
  color: var(--grey);
}

.footer__socials {
  display: flex;
  gap: var(--sp-md);
}

.footer__social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: var(--surface);
  color: var(--ink);
  font-size: 1.1rem;
  transition: all var(--transition-fast);
}

.footer__social-link:hover {
  background-color: var(--ink);
  color: var(--canvas);
  transform: translateY(-3px);
}

/* ── Scroll Animations ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__description {
    margin-left: auto;
    margin-right: auto;
  }

  .hero__ctas {
    justify-content: center;
  }

  .hero__image {
    order: -1;
    max-width: 400px;
    margin: 0 auto;
  }

  .hero__photo {
    width: 280px;
    height: 280px;
  }

  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .stats__image {
    max-width: 500px;
    margin: 0 auto;
  }

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

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

@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  section {
    padding: var(--sp-3xl) 0;
  }

  .container {
    padding: 0 var(--sp-lg);
  }

  .nav__links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 360px;
    height: 100vh;
    background-color: var(--surface);
    flex-direction: column;
    justify-content: center;
    gap: var(--sp-2xl);
    padding: var(--sp-3xl);
    box-shadow: -8px 0 40px rgba(0,0,0,0.1);
    transition: right var(--transition-base);
    z-index: 999;
  }

  .nav__links.open {
    right: 0;
  }

  .nav__link {
    font-size: 1.2rem;
  }

  .nav__hamburger {
    display: flex;
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--nav-height) + var(--sp-2xl));
  }

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

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

  .skills__row {
    grid-template-columns: 1fr;
    gap: var(--sp-sm);
  }

  .stats__grid {
    gap: var(--sp-xl);
  }

  .edu-item {
    grid-template-columns: 1fr;
    gap: var(--sp-sm);
  }

  .modal__container {
    width: 95%;
    border-radius: 16px;
  }

  .modal__body {
    padding: var(--sp-xl);
  }

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

@media (max-width: 480px) {
  .hero__ctas {
    flex-direction: column;
    width: 100%;
  }

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

  .hero__photo {
    width: 220px;
    height: 220px;
  }

  .hero__photo-badge {
    right: -8px;
    font-size: 0.7rem;
    padding: 0.4rem 0.8rem;
  }

  .stats__grid {
    flex-direction: column;
  }

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

/* ── Spinner Animation ── */
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}