/* ============================================
   ARJUNSIVA SD — Portfolio Stylesheet
   ============================================ */

/* ── Custom Properties ─────────────────────── */
:root {
  --bg:           #06070d;
  --bg-2:         #0d0f1a;
  --surface:      #111322;
  --surface-2:    #181b2e;
  --border:       rgba(99, 102, 241, 0.18);
  --border-light: rgba(255,255,255,0.06);

  --primary:      #6366f1;
  --primary-glow: rgba(99,102,241,0.35);
  --accent:       #38bdf8;
  --accent-glow:  rgba(56,189,248,0.3);
  --green:        #34d399;
  --orange:       #fb923c;
  --red:          #f87171;

  --text-1: #f0f2ff;
  --text-2: #a5accc;
  --text-3: #666c8e;

  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm:  8px;
  --radius-md:  14px;
  --radius-lg:  22px;
  --radius-xl:  32px;

  --shadow-card: 0 8px 32px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 40px var(--primary-glow);

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text-1);
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { display: block; max-width: 100%; }

/* ── Animated Background ───────────────────── */
.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(99,102,241,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  z-index: 0;
  pointer-events: none;
}

.bg-orbs { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: orb-float 12s ease-in-out infinite alternate;
}
.orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(99,102,241,0.18), transparent 70%);
  top: -200px; left: -100px;
  animation-duration: 14s;
}
.orb-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(56,189,248,0.12), transparent 70%);
  bottom: -150px; right: -100px;
  animation-duration: 10s; animation-delay: -4s;
}
.orb-3 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(52,211,153,0.1), transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  animation-duration: 16s; animation-delay: -8s;
}

@keyframes orb-float {
  0%   { transform: translate(0, 0) scale(1); }
  50%  { transform: translate(30px, -40px) scale(1.05); }
  100% { transform: translate(-20px, 20px) scale(0.95); }
}

/* ── Navigation ─────────────────────────────── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: var(--transition);
}
#navbar.scrolled {
  background: rgba(6,7,13,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-1);
  transition: var(--transition);
}
.nav-logo:hover { color: var(--primary); }
.dot { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.nav-links a {
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  color: var(--text-2);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
}
.nav-links a:hover { color: var(--text-1); background: var(--border-light); }
.nav-cta {
  background: var(--primary) !important;
  color: #fff !important;
  padding: 0.45rem 1.1rem !important;
  border-radius: var(--radius-sm) !important;
}
.nav-cta:hover { background: #5558e8 !important; transform: translateY(-1px); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  width: 24px; height: 2px;
  background: var(--text-1);
  border-radius: 2px;
  transition: var(--transition);
}

/* ── Mobile Menu ────────────────────────────── */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: rgba(6,7,13,0.97);
  backdrop-filter: blur(20px);
  z-index: 1100;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu ul { display: flex; flex-direction: column; gap: 0.5rem; text-align: center; }
.mobile-link {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-2);
  display: block;
  padding: 0.5rem 2rem;
  transition: var(--transition);
}
.mobile-link:hover { color: var(--primary); }
.mobile-close {
  position: absolute;
  top: 1.5rem; right: 2rem;
  background: none; border: none;
  color: var(--text-2);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition);
}
.mobile-close:hover { color: var(--text-1); }

/* ── Container ──────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 2;
}

/* ── Section Base ───────────────────────────── */
.section { padding: 6rem 0; position: relative; z-index: 2; }
.section-dark { background: var(--bg-2); }

.section-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--primary);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-1);
  margin-bottom: 3rem;
  line-height: 1.15;
}

/* ── Buttons ────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 2rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 20px var(--primary-glow);
}
.btn-primary:hover {
  background: #5558e8;
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--primary-glow);
}
.btn-ghost {
  background: transparent;
  color: var(--text-1);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover {
  background: var(--border-light);
  border-color: var(--primary);
  transform: translateY(-2px);
}

/* ── HERO ───────────────────────────────────── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 2rem 4rem;
  max-width: 1200px;
  margin: 0 auto;
  gap: 4rem;
  position: relative;
  z-index: 2;
}

.hero-content { flex: 1; min-width: 0; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(52,211,153,0.1);
  border: 1px solid rgba(52,211,153,0.25);
  border-radius: 100px;
  padding: 0.4rem 1rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--green);
  margin-bottom: 1.75rem;
  animation: fade-up 0.6s ease both;
}
.badge-dot {
  width: 7px; height: 7px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(1.4); }
}

.hero-name {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.0;
  color: var(--text-1);
  margin-bottom: 0.5rem;
  animation: fade-up 0.7s ease 0.1s both;
}
.hero-name-accent {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-role {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  font-weight: 600;
  color: var(--text-1);
  margin-bottom: 0.25rem;
  animation: fade-up 0.7s ease 0.2s both;
}
.hero-sub {
  font-size: 1rem;
  color: var(--accent);
  font-weight: 500;
  font-family: var(--font-mono);
  margin-bottom: 1.5rem;
  animation: fade-up 0.7s ease 0.25s both;
}
.hero-desc {
  font-size: 1rem;
  color: var(--text-2);
  max-width: 520px;
  margin-bottom: 2rem;
  animation: fade-up 0.7s ease 0.3s both;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
  animation: fade-up 0.7s ease 0.4s both;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  animation: fade-up 0.7s ease 0.5s both;
}
.stat { display: flex; flex-direction: column; }
.stat-num { font-size: 1.8rem; font-weight: 800; color: var(--text-1); line-height: 1; }
.stat-label { font-size: 0.75rem; color: var(--text-3); margin-top: 0.2rem; }
.stat-divider { width: 1px; height: 40px; background: var(--border-light); }

/* ── Hero Visual ────────────────────────────── */
.hero-visual {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fade-up 0.8s ease 0.3s both;
}

/* Avatar link wrapper */
.avatar-link {
  display: block;
  text-decoration: none;
}

/* Avatar Card */
.avatar-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.5rem 1.5rem 1.75rem;
  text-align: center;
  width: 270px;
  position: relative;
  box-shadow: var(--shadow-card), 0 0 60px var(--primary-glow);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  cursor: pointer;
}
.avatar-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-card), 0 0 90px var(--primary-glow);
}

/* Photo frame */
.avatar-img-wrap {
  position: relative;
  width: 160px;
  height: 160px;
  margin: 0 auto 1.25rem;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid transparent;
  background: linear-gradient(var(--surface), var(--surface)) padding-box,
              linear-gradient(135deg, var(--primary), var(--accent)) border-box;
  box-shadow: 0 0 30px var(--primary-glow);
}
.avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  transition: transform 0.4s ease;
}
.avatar-card:hover .avatar-img {
  transform: scale(1.08);
}

/* LinkedIn hover overlay */
.avatar-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 12, 30, 0.78);
  backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: #fff;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.35s ease;
}
.avatar-card:hover .avatar-overlay {
  opacity: 1;
}
.avatar-overlay svg { filter: drop-shadow(0 0 6px #0077b5); }

/* Avatar name / title */
.avatar-info { margin-top: 0.25rem; }
.avatar-name {
  font-size: 1rem;
  font-weight: 800;
  color: var(--text-1);
  letter-spacing: -0.02em;
  margin-bottom: 0.15rem;
}
.avatar-title {
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 500;
  font-family: var(--font-mono);
  margin-bottom: 0.85rem;
}
.avatar-badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  justify-content: center;
}
.aws-badge {
  background: linear-gradient(135deg, rgba(99,102,241,0.15), rgba(56,189,248,0.1));
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.25rem 0.6rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  font-family: var(--font-mono);
}

/* Animated border ring */
.pulse-ring {
  position: absolute;
  inset: -4px;
  border-radius: var(--radius-xl);
  border: 2px solid transparent;
  background: linear-gradient(var(--surface), var(--surface)) padding-box,
              linear-gradient(135deg, var(--primary), var(--accent), var(--green)) border-box;
  animation: border-spin 6s linear infinite;
  opacity: 0.5;
  pointer-events: none;
}
@keyframes border-spin {
  0%   { filter: hue-rotate(0deg); }
  100% { filter: hue-rotate(360deg); }
}

/* ── Scroll Indicator ───────────────────────── */
.scroll-indicator {
  position: absolute;
  bottom: 2.5rem; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-3);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: fade-up 1s ease 1s both;
  z-index: 2;
}
.scroll-line {
  width: 1.5px;
  height: 40px;
  background: linear-gradient(to bottom, var(--primary), transparent);
  animation: scroll-bounce 2s ease-in-out infinite;
}
@keyframes scroll-bounce {
  0%, 100% { transform: scaleY(1); opacity: 1; }
  50% { transform: scaleY(0.7); opacity: 0.5; }
}

/* ── About ──────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.about-text p {
  color: var(--text-2);
  margin-bottom: 1.25rem;
  font-size: 0.97rem;
}
.about-text strong { color: var(--text-1); }
.about-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2rem;
}
.info-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
}
.info-icon { font-size: 1.1rem; margin-top: 0.1rem; }
.info-label { display: block; font-size: 0.72rem; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.08em; }
.info-value { display: block; font-size: 0.87rem; font-weight: 500; color: var(--text-1); margin-top: 0.15rem; }

.about-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.mini-card {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.4rem;
  transition: var(--transition);
  cursor: default;
}
.mini-card:hover {
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px var(--primary-glow);
}
.mini-card-icon { font-size: 1.6rem; margin-bottom: 0.75rem; }
.mini-card-title { font-weight: 700; font-size: 0.9rem; color: var(--text-1); margin-bottom: 0.4rem; }
.mini-card-text { font-size: 0.78rem; color: var(--text-3); line-height: 1.5; }

/* ── Skills ─────────────────────────────────── */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.skill-category {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: var(--transition);
}
.skill-category:hover {
  border-color: var(--border);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.skill-cat-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1rem;
}
.skill-cat-icon { font-size: 1.2rem; }
.skill-cat-header h3 { font-size: 0.9rem; font-weight: 700; color: var(--text-1); }
.skill-tags { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.skill-tag {
  border-radius: 6px;
  padding: 0.3rem 0.65rem;
  font-size: 0.74rem;
  font-weight: 600;
  border: 1px solid;
  transition: var(--transition);
}
.skill-tag.primary  { background: rgba(99,102,241,0.1);  border-color: rgba(99,102,241,0.3);  color: #a5b4fc; }
.skill-tag.secondary{ background: rgba(56,189,248,0.08); border-color: rgba(56,189,248,0.25); color: #7dd3fc; }
.skill-tag.tertiary { background: rgba(251,146,60,0.08); border-color: rgba(251,146,60,0.25); color: #fdba74; }
.skill-tag.soft     { background: rgba(52,211,153,0.08); border-color: rgba(52,211,153,0.25); color: #6ee7b7; }
.skill-tag.danger   { background: rgba(248,113,113,0.08);border-color: rgba(248,113,113,0.25);color: #fca5a5; }
.skill-tag.green    { background: rgba(52,211,153,0.1);  border-color: rgba(52,211,153,0.3);  color: #6ee7b7; }
.skill-tag:hover { transform: scale(1.05); }

/* ── Timeline ───────────────────────────────── */
.timeline { position: relative; }
.timeline::before {
  content: '';
  position: absolute;
  left: 16px; top: 0; bottom: 0;
  width: 1.5px;
  background: linear-gradient(to bottom, var(--primary), transparent);
}
.timeline-item {
  position: relative;
  padding-left: 3.5rem;
  margin-bottom: 2.5rem;
}
.timeline-dot {
  position: absolute;
  left: 8px; top: 1.4rem;
  width: 17px; height: 17px;
  background: var(--primary);
  border: 3px solid var(--bg);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--primary-glow);
}
.timeline-card {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: var(--transition);
}
.timeline-card:hover {
  border-color: var(--primary);
  box-shadow: 0 8px 24px var(--primary-glow);
}
.timeline-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}
.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-3);
}
.timeline-badge {
  font-size: 0.68rem;
  font-weight: 700;
  border-radius: 100px;
  padding: 0.18rem 0.7rem;
  background: rgba(99,102,241,0.1);
  color: var(--text-3);
  border: 1px solid var(--border-light);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.timeline-badge.active {
  background: rgba(52,211,153,0.1);
  color: var(--green);
  border-color: rgba(52,211,153,0.3);
}
.timeline-role {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-1);
}
.timeline-company {
  font-size: 0.9rem;
  color: var(--primary);
  font-weight: 500;
  margin-bottom: 1rem;
}
.timeline-points { padding-left: 1.1rem; margin-bottom: 1rem; }
.timeline-points li {
  font-size: 0.9rem;
  color: var(--text-2);
  margin-bottom: 0.4rem;
  list-style: disc;
}
.timeline-tech { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.tech-pill {
  font-size: 0.72rem;
  font-weight: 600;
  font-family: var(--font-mono);
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  background: rgba(56,189,248,0.08);
  color: var(--accent);
  border: 1px solid rgba(56,189,248,0.2);
}

/* ── Projects ───────────────────────────────── */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
.project-card {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}
.project-card:hover {
  border-color: var(--primary);
  transform: translateY(-5px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.5), 0 0 40px var(--primary-glow);
}
.project-glow {
  position: absolute;
  top: -60px; right: -60px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, var(--primary-glow), transparent 70%);
  pointer-events: none;
}
.project-glow-2 {
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
}
.project-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}
.project-icon { font-size: 2rem; }
.project-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; justify-content: flex-end; }
.project-tag {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  background: var(--border-light);
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.project-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-1);
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}
.project-desc {
  font-size: 0.87rem;
  color: var(--text-2);
  margin-bottom: 1rem;
  line-height: 1.65;
}
.project-highlights {
  padding-left: 1.1rem;
  margin-bottom: 1.25rem;
}
.project-highlights li {
  font-size: 0.83rem;
  color: var(--text-3);
  margin-bottom: 0.3rem;
  list-style: disc;
}
.project-stack { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.stack-pill {
  font-size: 0.72rem;
  font-weight: 600;
  font-family: var(--font-mono);
  padding: 0.22rem 0.6rem;
  border-radius: 6px;
  background: linear-gradient(135deg, rgba(99,102,241,0.1), rgba(56,189,248,0.08));
  color: #a5b4fc;
  border: 1px solid rgba(99,102,241,0.2);
}

/* ── Education ──────────────────────────────── */
.edu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.edu-card {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: var(--transition);
}
.edu-card:hover {
  border-color: var(--accent);
  box-shadow: 0 8px 24px var(--accent-glow);
}
.edu-icon { font-size: 2rem; flex-shrink: 0; }
.edu-info h3 { font-size: 1rem; font-weight: 700; color: var(--text-1); margin-bottom: 0.3rem; }
.edu-inst { font-size: 0.85rem; color: var(--primary); font-weight: 500; margin-bottom: 0.6rem; }
.edu-desc { font-size: 0.82rem; color: var(--text-3); line-height: 1.55; }

/* ── Contact ────────────────────────────────── */
.contact-sub {
  font-size: 1rem;
  color: var(--text-2);
  margin-bottom: 2.5rem;
  max-width: 500px;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.contact-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.4rem 1.75rem;
  transition: var(--transition);
}
.contact-card:not(.no-link):hover {
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px var(--primary-glow);
}
.contact-card-icon { font-size: 1.6rem; flex-shrink: 0; }
.contact-card-label { font-size: 0.72rem; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.1em; }
.contact-card-value { font-size: 0.95rem; font-weight: 600; color: var(--text-1); margin-top: 0.2rem; }
.contact-arrow { margin-left: auto; font-size: 1.1rem; color: var(--primary); opacity: 0; transition: var(--transition); }
.contact-card:hover .contact-arrow { opacity: 1; transform: translateX(4px); }

/* ── Footer ─────────────────────────────────── */
#footer {
  background: var(--bg);
  border-top: 1px solid var(--border-light);
  padding: 2rem 0;
  position: relative;
  z-index: 2;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-logo { font-size: 1.2rem; font-weight: 800; }
.footer-copy { font-size: 0.8rem; color: var(--text-3); }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { font-size: 0.82rem; color: var(--text-3); transition: var(--transition); }
.footer-links a:hover { color: var(--primary); }

/* ── Animations ─────────────────────────────── */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsive ─────────────────────────────── */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }

  #hero {
    flex-direction: column;
    text-align: center;
    padding: 6rem 1.5rem 3rem;
    gap: 2.5rem;
  }
  .hero-desc { margin: 0 auto 2rem; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }

  .about-grid { grid-template-columns: 1fr; gap: 2rem; }
  .about-info-grid { grid-template-columns: 1fr; }

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

@media (max-width: 600px) {
  .skills-grid { grid-template-columns: 1fr; }
  .about-cards { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }
  .cloud-card { width: 240px; }
}