/* ============================================================
   CSS CUSTOM PROPERTIES (Design Tokens)
============================================================ */
:root {
  --navy:       #0D1B2A;
  --navy-mid:   #1A2E44;
  --navy-light: #243B55;
  --slate:      #4A6080;
  --silver:     #8A9BB5;
  --mist:       #EDF1F7;
  --white:      #FFFFFF;
  --accent:     #E8A020;       /* warm gold accent */
  --accent-dim: #C4861A;
  --green:      #2ECC71;
  --red:        #e74c3c;

  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;

  --ease-out:    cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-sm: 0 2px 8px rgba(13,27,42,0.08);
  --shadow-md: 0 8px 32px rgba(13,27,42,0.12);
  --shadow-lg: 0 20px 60px rgba(13,27,42,0.18);
}

/* ============================================================
   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(--white);
  color: var(--navy);
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* ============================================================
   UTILITY
============================================================ */
.container {
  width: min(1140px, 92%);
  margin-inline: auto;
}

.section {
  padding-block: 96px;
}

.section__label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  color: var(--navy);
  margin-bottom: 24px;
}

.section__sub {
  font-size: 1.05rem;
  color: var(--slate);
  max-width: 540px;
  margin-bottom: 52px;
}

/* ============================================================
   BUTTONS
============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: transform 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out), background 0.2s;
  border: none;
}

.btn--primary {
  background: var(--accent);
  color: var(--navy);
}
.btn--primary:hover {
  background: var(--accent-dim);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232,160,32,0.35);
}

.btn--ghost {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.35);
}
.btn--ghost:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.7);
  transform: translateY(-2px);
}

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

/* ============================================================
   SCROLL REVEAL ANIMATION
============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s var(--ease-out), transform 0.65s var(--ease-out);
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ============================================================
   NAVIGATION
============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: background 0.3s, box-shadow 0.3s, padding 0.3s;
}

.nav.scrolled {
  background: rgba(13,27,42,0.96);
  backdrop-filter: blur(12px);
  padding: 14px 0;
  box-shadow: 0 2px 20px rgba(0,0,0,0.25);
}

.nav__inner {
  width: min(1140px, 92%);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--white);
  letter-spacing: -0.02em;
}

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

.nav__links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav__links a {
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav__links a:hover { color: var(--white); }

.nav__cta {
  background: var(--accent);
  color: var(--navy) !important;
  padding: 9px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600 !important;
  transition: background 0.2s, transform 0.2s !important;
}
.nav__cta:hover {
  background: var(--accent-dim) !important;
  transform: translateY(-1px);
}

/* Hamburger */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* ============================================================
   HERO
============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--navy);
  overflow: hidden;
}

.hero__bg { position: absolute; inset: 0; pointer-events: none; }

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}
.hero__orb--1 {
  width: 500px; height: 500px;
  background: rgba(232,160,32,0.12);
  top: -100px; right: -100px;
  animation: orbFloat 8s ease-in-out infinite alternate;
}
.hero__orb--2 {
  width: 350px; height: 350px;
  background: rgba(36,59,85,0.6);
  bottom: -80px; left: -80px;
  animation: orbFloat 10s ease-in-out infinite alternate-reverse;
}

@keyframes orbFloat {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(30px, 20px) scale(1.05); }
}

.hero__content {
  position: relative;
  z-index: 2;
  width: min(1140px, 92%);
  margin-inline: auto;
  padding-top: 80px;
}

.hero__eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.hero__name {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 10vw, 7.5rem);
  line-height: 1;
  color: var(--white);
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}
.hero__name em {
  font-style: italic;
  color: var(--accent);
}

.hero__tagline {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
  margin-bottom: 44px;
  max-width: 520px;
}
.hero__tagline span {
  color: var(--silver);
  font-size: 0.95em;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero__scroll {
  position: absolute;
  bottom: 36px;
  left: calc(50% - min(570px, 46%));
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 2;
}
.hero__scroll span {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--silver);
}
.hero__scroll-line {
  width: 48px;
  height: 1px;
  background: var(--silver);
  position: relative;
  overflow: hidden;
}
.hero__scroll-line::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent);
  animation: scrollPulse 2s ease-in-out infinite;
  transform: translateX(-100%);
}
@keyframes scrollPulse {
  to { transform: translateX(100%); }
}

/* ============================================================
   ABOUT
============================================================ */
.about { background: var(--white); }

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 72px;
  align-items: center;
}

.about__visual {
  display: flex;
  justify-content: center;
}

.about__frame {
  position: relative;
  width: 280px;
}
.about__frame::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  border: 2px solid rgba(232,160,32,0.25);
  transform: translate(10px, 10px);
  z-index: -1;
}

.about__avatar {
  width: 280px;
  height: 340px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--navy-mid), var(--navy-light));
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.about__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  border-radius: var(--radius-lg);
  transition: transform 0.5s var(--ease-out);
}
.about__avatar:hover .about__photo {
  transform: scale(1.04);
}

.about__badge {
  position: absolute;
  bottom: -16px;
  right: -16px;
  background: var(--accent);
  color: var(--navy);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  line-height: 1.3;
}
.about__badge span { display: block; font-size: 1.3rem; font-family: var(--font-display); }

.about__bio {
  color: var(--slate);
  margin-bottom: 16px;
  font-size: 1.02rem;
}

.about__highlights {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 28px;
}
.about__highlights li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--navy-mid);
  font-weight: 500;
}
.about__highlight-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  background: rgba(232,160,32,0.15);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 50%;
  display: grid;
  place-items: center;
  margin-top: 1px;
}

/* ============================================================
   SKILLS
============================================================ */
.skills {
  background: var(--mist);
}

.skills__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 52px;
}

.skill-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(13,27,42,0.06);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s;
}
.skill-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.skill-card__icon {
  font-size: 1.8rem;
  margin-bottom: 16px;
  line-height: 1;
}

.skill-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: var(--navy);
}

.skill-card p {
  font-size: 0.9rem;
  color: var(--slate);
  line-height: 1.65;
  margin-bottom: 20px;
}

.skill-card__bar {
  height: 4px;
  background: var(--mist);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 8px;
}
.skill-card__fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-dim));
  border-radius: 4px;
  transition: width 1.2s var(--ease-out);
}
.skill-card.visible .skill-card__fill {
  width: var(--pct);
}

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

/* ============================================================
   SERVICES
============================================================ */
.services { background: var(--navy); }

.services .section__label { color: var(--accent); }
.services .section__title { color: var(--white); }
.services .section__sub { color: var(--silver); }

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 52px;
}

.service-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  padding: 36px 32px;
  transition: background 0.3s, transform 0.3s var(--ease-out), border-color 0.3s;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease-out);
}
.service-card:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(255,255,255,0.14);
  transform: translateY(-4px);
}
.service-card:hover::before { transform: scaleX(1); }

.service-card__number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: rgba(232,160,32,0.2);
  line-height: 1;
  margin-bottom: 16px;
  font-style: italic;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--white);
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--silver);
  line-height: 1.65;
  margin-bottom: 24px;
}

.service-card__link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.04em;
  display: inline-block;
}
.service-card__link:hover { text-decoration: underline; }

/* ============================================================
   PROJECTS
============================================================ */
.projects { background: var(--white); }

.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  margin-top: 52px;
}

.project-card__link-wrap {
  display: block;
  color: inherit;
  height: 100%;
}

.project-card {
  background: var(--mist);
  border-radius: var(--radius-md);
  padding: 32px;
  border: 1px solid rgba(13,27,42,0.07);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s;
  display: flex;
  flex-direction: column;
}
.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.project-card__tag {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-dim);
  margin-bottom: 14px;
}

.project-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--navy);
  margin-bottom: 12px;
  line-height: 1.3;
}

.project-card p {
  font-size: 0.9rem;
  color: var(--slate);
  line-height: 1.65;
  flex: 1;
  margin-bottom: 24px;
}

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

.project-card__tech {
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(13,27,42,0.07);
  color: var(--navy-mid);
  padding: 4px 10px;
  border-radius: 100px;
}

/* ============================================================
   CONTACT
============================================================ */
.contact { background: var(--mist); }

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 72px;
  align-items: start;
}

.contact__desc {
  color: var(--slate);
  font-size: 1rem;
  margin-bottom: 40px;
  max-width: 420px;
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact__detail {
  display: flex;
  align-items: center;
  gap: 16px;
  transition: transform 0.2s;
}
.contact__detail:hover { transform: translateX(4px); }

.contact__detail-icon {
  width: 46px;
  height: 46px;
  background: var(--white);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}

.contact__detail-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--silver);
  margin-bottom: 2px;
}

.contact__detail-value {
  display: block;
  font-weight: 600;
  color: var(--navy);
  font-size: 0.95rem;
}

/* Form wrapper */
.contact__form-wrap {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.contact__form { display: flex; flex-direction: column; gap: 20px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--navy-mid);
  letter-spacing: 0.04em;
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--navy);
  background: var(--mist);
  border: 1.5px solid transparent;
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
  resize: vertical;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(232,160,32,0.15);
  background: var(--white);
}

.form-note {
  font-size: 0.8rem;
  color: var(--silver);
  text-align: center;
  margin-top: -8px;
}

/* Success state */
.form-success {
  display: none;
  text-align: center;
  padding: 40px 20px;
}
.form-success.visible { display: block; }
.form-success__icon {
  width: 56px;
  height: 56px;
  background: var(--green);
  color: white;
  border-radius: 50%;
  font-size: 1.4rem;
  display: grid;
  place-items: center;
  margin: 0 auto 20px;
}
.form-success h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: 8px;
}
.form-success p { color: var(--slate); }

/* Error state */
.form-error {
  display: none;
  margin-top: 16px;
  padding: 14px 18px;
  background: rgba(231, 76, 60, 0.08);
  border: 1px solid rgba(231, 76, 60, 0.25);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--red);
  text-align: center;
  line-height: 1.5;
}
.form-error a {
  color: var(--red);
  font-weight: 600;
  text-decoration: underline;
}

/* ============================================================
   FOOTER
============================================================ */
.footer {
  background: var(--navy);
  padding: 36px 0;
}

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

.footer__logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--white);
}

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

.footer__made {
  font-size: 0.8rem;
  color: rgba(138,155,181,0.6);
  letter-spacing: 0.08em;
}

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 768px) {

  .section { padding-block: 72px; }

  /* Nav mobile */
  .nav__toggle { display: flex; }

  .nav__links {
    position: fixed;
    top: 0; right: -100%;
    width: 270px;
    height: 100vh;
    background: var(--navy);
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 32px 32px;
    gap: 28px;
    transition: right 0.35s var(--ease-out);
    box-shadow: -8px 0 40px rgba(0,0,0,0.3);
    z-index: 99;
  }
  .nav__links.open { right: 0; }
  .nav__links a { font-size: 1rem; }
  .nav__cta { padding: 12px 24px; }

  /* Hero */
  .hero__content { padding-top: 100px; padding-bottom: 60px; }

  /* About */
  .about__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .about__visual { justify-content: flex-start; }

  /* Contact */
  .contact__grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  /* Footer */
  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .hero__actions { flex-direction: column; }
  .contact__form-wrap { padding: 28px 20px; }
}