/* ========== 1. Root & Base ========== */

:root {
  --bg-main: #020617;
  --bg-elevated: #020617;
  --bg-card: #020617;
  --accent-blue: #38bdf8;
  --accent-purple: #8b5cf6;
  --accent-gradient: linear-gradient(135deg, #38bdf8, #8b5cf6);
  --text-main: #e5e7eb;
  --text-muted: #9ca3af;
  --border-subtle: #1e293b;
  --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.7);

  --radius-lg: 1.5rem;
  --radius-pill: 999px;

  --transition-fast: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Inter",
    "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, #020617 0%, #020617 40%, #020617 100%);
  color: var(--text-main);
  line-height: 1.6;
}

/* Skip link for accessibility */

.skip-link {
  position: absolute;
  left: 50%;
  transform: translate(-50%, -150%);
  padding: 0.75rem 1.25rem;
  background: #0f172a;
  color: #f9fafb;
  border-radius: 999px;
  z-index: 100;
  font-size: 0.9rem;
  transition: transform var(--transition-fast);
}

.skip-link:focus {
  transform: translate(-50%, 0.5rem);
}

/* Utility */

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

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

.wrapper {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.75rem;
}

/* Page-specific background (About) */

body.about-page {
  background-image: url("about-bg.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

/* ========== 2. Header / Nav ========== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: linear-gradient(
    to bottom,
    rgba(15, 23, 42, 0.92),
    rgba(15, 23, 42, 0.7),
    transparent
  );
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.logo-mark {
  width: 30px;
  height: 30px;
  border-radius: 40%;
  background-image: var(--accent-gradient);
  box-shadow: 0 0 18px rgba(56, 189, 248, 0.7);
}

.logo-text {
  font-weight: 700;
  letter-spacing: 0.12em;
  font-size: 0.9rem;
  text-transform: uppercase;
  color: #f9fafb;
}

/* Nav links */

.nav-links {
  display: flex;
  gap: 2rem;
  font-size: 0.95rem;
  align-items: center;
}

.nav-links a {
  color: var(--text-muted);
  position: relative;
  padding-bottom: 0.2rem;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.3rem;
  width: 0;
  height: 2px;
  background-image: var(--accent-gradient);
  border-radius: 999px;
  transition: width var(--transition-fast);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-links a.active,
.nav-links a[aria-current="page"] {
  color: var(--text-main);
  font-weight: 600;
}

.nav-links a.active::after,
.nav-links a[aria-current="page"]::after {
  width: 100%;
}

/* Hamburger button */

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
  margin-left: 1rem;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: #e5e7eb;
  border-radius: 999px;
  transition: transform 0.2s ease, opacity 0.2s ease, width 0.2s ease;
}

.nav-toggle span + span {
  margin-top: 4px;
}

/* ========== 3. Hero ========== */

.hero {
  padding: 4.5rem 0 4.75rem;
}

.hero-compact {
  padding: 3.8rem 0 3.4rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 3.5rem;
  align-items: center;
}

.hero-grid-single {
  grid-template-columns: minmax(0, 1.25fr);
}

.hero-kicker {
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-blue);
  margin-bottom: 0.9rem;
}

.hero-title {
  font-size: clamp(2.4rem, 3vw + 1rem, 3.1rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.25rem;
}

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

.hero-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 32rem;
  margin-bottom: 1.9rem;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-bottom: 2rem;
}

.badge {
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.hero-actions {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
}

/* Hero visual */

.hero-visual-wrap {
  position: relative;
}

.hero-image {
  border-radius: 1.8rem;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.35);
  box-shadow: var(--shadow-soft);
  background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.15), rgba(15, 23, 42, 1));
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-orbit {
  position: absolute;
  inset: -18%;
  border-radius: 999px;
  border: 1px dashed rgba(56, 189, 248, 0.4);
  opacity: 0.3;
}

/* Buttons */

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.9rem 1.6rem;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  background-image: var(--accent-gradient);
  color: #0b1220;
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: 0 15px 35px rgba(56, 189, 248, 0.35);
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
}

.btn-primary:hover {
  transform: translateY(-1px) scale(1.02);
  filter: brightness(1.08);
  box-shadow: 0 18px 45px rgba(56, 189, 248, 0.45);
}

.btn-primary:active {
  transform: scale(0.97);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.9rem 1.2rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(148, 163, 184, 0.5);
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(6px);
  color: var(--text-main);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast),
    background var(--transition-fast),
    transform var(--transition-fast);
}

.btn-ghost:hover {
  border-color: var(--accent-blue);
  background: rgba(56, 189, 248, 0.12);
  transform: translateY(-2px);
}

/* ========== 4. Sections & Layout ========== */
.section {
  padding: 2.5rem 0; /* reduced */
}


.section-header {
  max-width: 36rem;
  margin-bottom: 2rem;
}

.section-kicker {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent-purple);
  margin-bottom: 0.7rem;
}

.section-title {
  font-size: 1.7rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 3rem;
}

/* Cards */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.8rem;
}

.card {
  background: radial-gradient(circle at top left,
      rgba(56, 189, 248, 0.10),
      rgba(15, 23, 42, 0.92));
  border-radius: 1.8rem;
  padding: 2rem 2rem 2.3rem;
  border: 1px solid rgba(148, 163, 184, 0.22);
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.65);
  position: relative;
  transition: transform 0.25s ease, box-shadow 0.25s ease,
    border-color 0.25s ease;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-6px) scale(1.03);
  border-color: rgba(56, 189, 248, 0.55);
  box-shadow: 0 30px 70px rgba(56, 189, 248, 0.2);
}

/* Glowing icon above titles */
.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  margin-bottom: 1.2rem;
  background: linear-gradient(135deg, #38bdf8, #8b5cf6);
  opacity: 0.85;
  filter: drop-shadow(0 0 8px rgba(56, 189, 248, 0.6));
}

.card::after {
  content: "";
  position: absolute;
  inset: -40%;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.07), transparent 60%);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.card:hover::after {
  opacity: 1;
}

.card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
}

.card p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Contact layout & form */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 3rem;
}

form {
  background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.16), #020617);
  border-radius: var(--radius-lg);
  padding: 1.9rem 1.7rem;
  border: 1px solid rgba(148, 163, 184, 0.4);
  box-shadow: var(--shadow-soft);
}

.form-group {
  margin-bottom: 1rem;
}

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.3rem;
}

input,
textarea {
  width: 100%;
  padding: 0.75rem 0.85rem;
  border-radius: 0.9rem;
  border: 1px solid rgba(51, 65, 85, 0.9);
  background: rgba(15, 23, 42, 0.9);
  color: var(--text-main);
  font: inherit;
}

input::placeholder,
textarea::placeholder {
  color: #64748b;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.5);
}

textarea {
  min-height: 150px;
  resize: vertical;
}

.contact-meta {
  margin-top: 1.2rem;
  font-size: 0.95rem;
}

/* ========== 5. Footer ========== */

footer {
  border-top: 1px solid rgba(30, 64, 175, 0.4);
  padding: 1.5rem 0 2rem;
  margin-top: 3rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ========== 6. Cinematic Page & Scroll Animations ========== */

/* Page transition: bold fade + slight motion + blur */
.page-transition {
  opacity: 0;
  transform: translateY(20px) scale(0.98);
  filter: blur(8px);
  transition:
    opacity 0.7s cubic-bezier(0.19, 1, 0.22, 1),
    transform 0.7s cubic-bezier(0.19, 1, 0.22, 1),
    filter 0.7s ease-out;
}

.page-transition.page-loaded {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}

.fade-out {
  opacity: 0 !important;
  transform: translateY(18px) scale(0.97) !important;
  filter: blur(6px) !important;
  transition:
    opacity 0.35s ease,
    transform 0.35s ease,
    filter 0.35s ease !important;
}

/* Scroll reveal: strong slide-up + blur */
.reveal {
  opacity: 0;
  transform: translateY(40px) scale(0.97);
  filter: blur(9px);
  transition:
    opacity 0.8s cubic-bezier(0.19, 1, 0.22, 1),
    transform 0.8s cubic-bezier(0.19, 1, 0.22, 1),
    filter 0.7s ease-out;
  transition-delay: var(--reveal-delay, 0s);
}

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

/* Respect users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
  .page-transition,
  .page-transition.page-loaded,
  .fade-out,
  .reveal,
  .reveal.visible {
    transition: none !important;
    transform: none !important;
    opacity: 1 !important;
    filter: none !important;
  }
}

/* ========== 7. Responsive ========== */

@media (max-width: 900px) {
  .hero-grid,
  .two-column,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 2.5rem;
  }

  .hero-visual-wrap {
    order: -1;
  }

  .wrapper {
    padding: 0 1.25rem;
  }

  .navbar {
    padding: 0.8rem 0;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: 0.75rem 1.75rem 1rem;
    background: rgba(15, 23, 42, 0.98);
    flex-direction: column;
    gap: 0.3rem;
    max-height: 0;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition:
      max-height 0.2s ease,
      opacity 0.2s ease,
      transform 0.2s ease;
  }

  .nav-links.nav-open {
    max-height: 260px;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-links a {
    padding: 0.3rem 0;
  }

  .hero {
    padding-top: 3.5rem;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .footer-inner {
    flex-direction: column;
    gap: 0.6rem;
    text-align: center;
  }
}

@media (max-width: 600px) {
  .wrapper {
    padding: 0 1.1rem;
  }

.hero {
  padding: 4.2rem 0 2.5rem; /* lowered bottom padding */
}


  .hero-title {
    font-size: 2rem;
  }

  .hero-badges {
    gap: 0.5rem;
  }

  .card {
    padding: 1.6rem 1.4rem 2rem;
  }

  form {
    padding: 1.6rem 1.4rem;
  }
}
/* REMOVE HERO IMAGE ON SMALL SCREENS */
@media (max-width: 640px) {

  /* Hide image + orbit container */
  .hero-visual-wrap {
    display: none !important;
  }

  /* Convert hero to single column */
  .hero-grid {
    grid-template-columns: 1fr !important;
  }

  /* Reduce hero padding so text appears quickly */
  .hero {
    padding: 2.2rem 0 1.2rem !important;
  }

  /* Reduce title size for better fit */
  .hero-title {
    font-size: 1.85rem !important;
    line-height: 1.2 !important;
  }

  /* Slightly reduce subtitle spacing */
  .hero-subtitle {
    font-size: 0.95rem !important;
    margin-bottom: 1.2rem !important;
  }

  /* Bring “Why work with me” section higher */
  .section:first-of-type {
    margin-top: -0.5rem !important;
  }
}