/* ============================================
   Portfolio — Professional Theme
   Color Palette: Deep Navy + Gold Accent
   ============================================ */

:root {
  --color-bg: #0a0e17;
  --color-bg-secondary: #111827;
  --color-bg-card: #1a2234;
  --color-bg-elevated: #1e293b;
  --color-surface: #243044;

  --color-text: #e2e8f0;
  --color-text-muted: #94a3b8;
  --color-text-subtle: #64748b;

  --color-accent: #c9a227;
  --color-accent-light: #e8c84a;
  --color-accent-dark: #a6851f;
  --color-accent-glow: rgba(201, 162, 39, 0.25);

  --color-border: rgba(148, 163, 184, 0.12);
  --color-border-accent: rgba(201, 162, 39, 0.3);

  --font-sans: 'Inter', system-ui, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;

  --header-height: 72px;
  --container-width: 1140px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --transition-fast: 0.2s ease;
  --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

ul { list-style: none; }

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

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

/* ---- Cursor Glow ---- */
.cursor-glow {
  position: fixed;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s;
  opacity: 0;
}

body:hover .cursor-glow {
  opacity: 1;
}

/* ---- Header / Nav ---- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.header.scrolled {
  background: rgba(10, 14, 23, 0.92);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  z-index: 1001;
}

.nav__logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: var(--color-bg);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  border-radius: var(--radius-sm);
}

.nav__logo-text {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}

.nav__menu {
  display: flex;
  gap: 8px;
}

.nav__link {
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  position: relative;
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-text);
}

.nav__link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 16px;
  right: 16px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

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

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

.nav__toggle.active span:nth-child(2) {
  opacity: 0;
}

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

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-base), background var(--transition-base);
}

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

.btn--primary {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: var(--color-bg);
  box-shadow: 0 4px 20px var(--color-accent-glow);
}

.btn--primary:hover {
  box-shadow: 0 8px 30px var(--color-accent-glow);
}

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border-accent);
}

.btn--outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-light);
}

.btn--full {
  width: 100%;
}

.btn svg {
  width: 18px;
  height: 18px;
}

/* ---- Section Headers ---- */
.section__header {
  text-align: center;
  margin-bottom: 60px;
}

.section__tag {
  display: inline-block;
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: rgba(201, 162, 39, 0.1);
  border: 1px solid var(--color-border-accent);
  border-radius: 50px;
  margin-bottom: 16px;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.section__desc {
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0 auto;
  font-size: 1.05rem;
}

/* ---- Hero ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding-top: var(--header-height);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: float 8s ease-in-out infinite;
}

.hero__orb--1 {
  width: 500px;
  height: 500px;
  background: rgba(201, 162, 39, 0.08);
  top: -10%;
  right: -5%;
}

.hero__orb--2 {
  width: 400px;
  height: 400px;
  background: rgba(30, 58, 95, 0.4);
  bottom: -10%;
  left: -10%;
  animation-delay: -4s;
}

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

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.hero__greeting {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero__name {
  background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__cursor {
  color: var(--color-accent);
  animation: blink 1s step-end infinite;
  font-weight: 300;
}

@keyframes blink {
  50% { opacity: 0; }
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--color-text-muted);
  max-width: 620px;
  margin: 0 auto 36px;
  line-height: 1.8;
}

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

.hero__stats {
  display: flex;
  gap: 48px;
  justify-content: center;
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat__number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-accent-light);
}

.stat__suffix {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
}

.stat__label {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-subtle);
  margin-top: 4px;
  letter-spacing: 0.03em;
}

.stat--text .stat__badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-accent-light);
  padding: 8px 20px;
  border: 1px solid var(--color-border-accent);
  border-radius: 50px;
  background: rgba(201, 162, 39, 0.08);
}

.stat--text .stat__label {
  margin-top: 12px;
}

.hero__scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--color-text-subtle);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: bounce 2s ease-in-out infinite;
  z-index: 1;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ---- Reveal Animations ---- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ---- About ---- */
.about {
  background: var(--color-bg-secondary);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
}

.about__image {
  display: flex;
  justify-content: center;
  align-items: center;
}
/* ---- Creative Avatar ---- */
.avatar-creative {
  position: relative;
  width: 220px;

  display: flex;
  align-items: center;
  justify-content: center;
  animation: avatarFloat 5s ease-in-out infinite;
}

@keyframes avatarFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.avatar-creative__glow {
  position: absolute;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 80%);
  filter: blur(20px);
  animation: avatarPulse 3s ease-in-out infinite;
}

@keyframes avatarPulse {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 0.9; transform: scale(1.08); }
}

.avatar-creative__ring {
  position: absolute;
  border-radius: 50%;
  border: 2px solid transparent;
}

.avatar-creative__ring--outer {
  width: 330px;
  height: 330px;
  background: linear-gradient(var(--color-bg-secondary), var(--color-bg-secondary)) padding-box,
              conic-gradient(from 0deg, var(--color-accent), transparent, var(--color-accent-light), transparent, var(--color-accent)) border-box;
  animation: avatarSpin 8s linear infinite;
  opacity: 0.85;
}

.avatar-creative__ring--inner {
  width: 300px;
  height: 300px;
  border: 1px dashed var(--color-border-accent);
  animation: avatarSpin 12s linear infinite reverse;
  opacity: 0.5;
}

@keyframes avatarSpin {
  to { transform: rotate(360deg); }
}

.avatar-creative__orbit {
  position: absolute;
  width: 280px;
  height: 280px;
  animation: avatarSpin 20s linear infinite;
}

.avatar-creative__dot {
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--color-accent-light);
  border-radius: 50%;
  box-shadow: 0 0 15px var(--color-accent);

}

.avatar-creative__dot:nth-child(1) { top: 8px; left: 50%; transform: translateX(-50%); }
.avatar-creative__dot:nth-child(2) { bottom: 20px; left: 12px; }
.avatar-creative__dot:nth-child(3) { bottom: 20px; right: 12px; }

.avatar-creative__core {
  position: relative;
  width: 280px;
  height: 260px;
  border-radius: 50%;
  overflow: hidden;
  z-index: 2;
  background: transparent;
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.avatar-creative:hover .avatar-creative__core {
  transform: scale(1.04);
  box-shadow: 0 0 40px var(--color-accent-glow);
}

.avatar-creative__photo {
  width: 280px;
  object-fit: cover;
  object-position: center 40%;
  border-radius: 50%;
  display: block;
}

.avatar-creative__photo.loaded {
  display: block;
}

.avatar-creative__initials {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(145deg, #1a2234 0%, #2a3548 50%, #1a2234 100%);
  position: relative;
  overflow: hidden;
}

.avatar-creative__initials::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    transparent 30%,
    rgba(201, 162, 39, 0.15) 50%,
    transparent 70%
  );
  animation: avatarShine 4s ease-in-out infinite;
}

@keyframes avatarShine {
  0%, 100% { transform: translateX(-100%) rotate(25deg); }
  50% { transform: translateX(100%) rotate(25deg); }
}

.avatar-creative__initials span {
  font-family: var(--font-display);
  font-size: 4.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  z-index: 1;
}

.avatar-creative__initials.hidden {
  display: none;
}

.avatar-creative__badge {
  position: absolute;
  bottom: 18px;
  right: 18px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  border-radius: 50%;
  color: var(--color-bg);
  z-index: 3;
  box-shadow: 0 4px 20px var(--color-accent-glow);
  animation: badgeBounce 2s ease-in-out infinite;
}

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

.avatar-creative__badge svg {
  width: 22px;
  height: 22px;
}

.about__content h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  margin-bottom: 20px;
}

.about__content p {
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.about__highlights {
  margin: 28px 0 32px;
}

.about__highlights li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.about__highlights svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  flex-shrink: 0;
}

/* ---- Skills ---- */
.skills__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

.skill-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.skill-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-border-accent);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.skill-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(201, 162, 39, 0.1);
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  transition: background var(--transition-base);
}

.skill-card:hover .skill-card__icon {
  background: rgba(201, 162, 39, 0.2);
}

.skill-card__icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
}

.skill-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.skill-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 20px;
  line-height: 1.6;
}

.skill-card__bar {
  height: 4px;
  background: var(--color-surface);
  border-radius: 2px;
  overflow: hidden;
}

.skill-card__fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--color-accent-dark), var(--color-accent-light));
  border-radius: 2px;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.skills__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.tag {
  padding: 8px 20px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 50px;
  transition: color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  cursor: default;
}

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

/* ---- Internships ---- */
.internships {
  background: var(--color-bg-secondary);
}

.internships__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.internship-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.internship-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-border-accent);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
}

.internship-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.internship-card__number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
  opacity: 0.6;
}

.internship-card__badge {
  padding: 6px 14px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: rgba(201, 162, 39, 0.1);
  border: 1px solid var(--color-border-accent);
  border-radius: 50px;
}

.internship-card h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.internship-card__role {
  font-size: 0.9rem;
  color: var(--color-accent-light);
  margin-bottom: 14px;
  font-weight: 500;
}

.internship-card__desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 18px;
}

.internship-card__points li {
  position: relative;
  padding-left: 18px;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin-bottom: 10px;
  line-height: 1.6;
}

.internship-card__points li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

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

.projects__filter {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.filter-btn {
  padding: 10px 24px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 50px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}

.project-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.project-card.hidden {
  display: none;
}

.project-card__image {
  height: 200px;
  position: relative;
  overflow: hidden;
}

.project-card__image--1 {
  background: linear-gradient(135deg, #1e3a5f 0%, #0a1628 100%);
}

.project-card__image--2 {
  background: linear-gradient(135deg, #2d1f3d 0%, #1a1028 100%);
}

.project-card__image--3 {
  background: linear-gradient(135deg, #1a3a2a 0%, #0a1f14 100%);
}

.project-card__image--4 {
  background: linear-gradient(135deg, #3a2a1a 0%, #1f140a 100%);
}

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 14, 23, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.project-card__link {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent);
  border-radius: 50%;
  color: var(--color-bg);
  transform: scale(0.5);
  transition: transform var(--transition-base);
}

.project-card:hover .project-card__link {
  transform: scale(1);
}

.project-card__link svg {
  width: 20px;
  height: 20px;
}

.project-card__content {
  padding: 24px;
}

.project-card__category {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.project-card__content h3 {
  font-size: 1.15rem;
  margin: 8px 0 10px;
}

.project-card__content p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}

.project-card__tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.project-card__tech span {
  padding: 4px 12px;
  font-size: 0.75rem;
  color: var(--color-text-subtle);
  background: var(--color-surface);
  border-radius: 4px;
}

/* ---- Contact ---- */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}

.contact__card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.contact__card:hover {
  border-color: var(--color-border-accent);
  transform: translateX(4px);
}

.contact__card-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(201, 162, 39, 0.1);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.contact__card-icon svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
}

.contact__card h4 {
  font-size: 0.85rem;
  color: var(--color-text-subtle);
  margin-bottom: 4px;
  font-weight: 500;
}

.contact__card a {
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.contact__card a:hover {
  color: var(--color-accent-light);
}

.contact__card p {
  color: var(--color-text);
  font-size: 0.95rem;
}

.contact__socials {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  
}

.social-link {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.social-link:hover {
  color: var(--color-accent);
  border-color: var(--color-border-accent);
  transform: translateY(-3px);
}

.social-link svg {
  width: 18px;
  height: 18px;
}

.contact__form {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 36px;
}

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

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-subtle);
}

.form__success {
  margin-top: 16px;
  padding: 14px;
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-accent-light);
  background: rgba(201, 162, 39, 0.1);
  border: 1px solid var(--color-border-accent);
  border-radius: var(--radius-sm);
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---- Footer ---- */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}

.footer__content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer p {
  font-size: 0.85rem;
  color: var(--color-text-subtle);
}

.footer__note {
  font-style: italic;
}

/* ---- Back to Top ---- */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent);
  color: var(--color-bg);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  z-index: 999;
  box-shadow: 0 4px 20px var(--color-accent-glow);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px var(--color-accent-glow);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .about__grid,
  .contact__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about__image {
    order: -1;
  }
}

@media (max-width: 768px) {
  .nav__toggle {
    display: flex;
  }

  .nav__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    flex-direction: column;
    background: var(--color-bg-secondary);
    padding: calc(var(--header-height) + 24px) 24px 24px;
    border-left: 1px solid var(--color-border);
    transition: right var(--transition-base);
    gap: 4px;
  }

  .nav__menu.open {
    right: 0;
  }

  .nav__link {
    padding: 14px 16px;
    font-size: 1rem;
  }

  .hero__stats {
    gap: 32px;
  }

  .section {
    padding: 72px 0;
  }

  .contact__form {
    padding: 24px;
  }

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

@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
    align-items: center;
  }

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

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  html {
    scroll-behavior: auto;
  }
}
 /* Academic section */
 /* ---- Academics Cards ---- */
.academic__grid {
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .academic__grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
}

.academic-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-fast);
}

.academic-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
  border-color: var(--color-border-accent);
}

.academic-card__header {
  margin-bottom: 16px;
}

.academic-card__badge {
  display: inline-block;
  padding: 6px 12px;
  background: var(--color-accent-glow);
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.academic-card h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--color-text);
  margin-bottom: 8px;
}

.academic-card__role {
  font-weight: 500;
  color: var(--color-accent-light);
  margin-bottom: 16px;
  font-size: 1.05rem;
}

.academic-card__desc {
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.academic-card__points {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.academic-card__points li {
  color: var(--color-text-subtle);
  font-size: 0.95rem;
  position: relative;
  padding-left: 20px;
}

.academic-card__points li::before {
  content: '▹';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-accent);
  font-size: 1.1rem;
  line-height: 1;
}