/* ===================================================================
   RAYMOND ARIWOOLA — Minimal & Elegant
   Tone: Less is more, editorial, typography-focused
   =================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Satoshi:wght@300;400;500;700&display=swap');

/* ===========================
   THEMES
   =========================== */
[data-theme="navy"] {
  --bg: #0e1525;
  --bg-alt: #131c2e;
  --surface: rgba(19, 28, 46, 0.5);
  --text: #e4e8ef;
  --text-2: #7e8da6;
  --text-3: #4d5d78;
  --accent: #8b9cf7;
  --accent-dim: rgba(139, 156, 247, 0.08);
  --line: rgba(126, 141, 166, 0.1);
  --nav-bg: rgba(14, 21, 37, 0.88);
}

[data-theme="dark"] {
  --bg: #0a0a0a;
  --bg-alt: #111;
  --surface: rgba(17, 17, 17, 0.5);
  --text: #e8e8e8;
  --text-2: #777;
  --text-3: #444;
  --accent: #e8e8e8;
  --accent-dim: rgba(232, 232, 232, 0.04);
  --line: rgba(255, 255, 255, 0.06);
  --nav-bg: rgba(10, 10, 10, 0.9);
}

[data-theme="light"] {
  --bg: #fafaf8;
  --bg-alt: #f2f1ee;
  --surface: rgba(255, 255, 255, 0.6);
  --text: #1a1a1a;
  --text-2: #6b6b6b;
  --text-3: #aaa;
  --accent: #1a1a1a;
  --accent-dim: rgba(26, 26, 26, 0.03);
  --line: rgba(0, 0, 0, 0.06);
  --nav-bg: rgba(250, 250, 248, 0.9);
}

[data-theme="vibrant"] {
  --bg: #0f0a1e;
  --bg-alt: #140e28;
  --surface: rgba(20, 14, 40, 0.5);
  --text: #ede8ff;
  --text-2: #8a7eb8;
  --text-3: #5a4e80;
  --accent: #c4b5fd;
  --accent-dim: rgba(196, 181, 253, 0.06);
  --line: rgba(138, 126, 184, 0.1);
  --nav-bg: rgba(15, 10, 30, 0.9);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  font-size: 16px;
}

body {
  font-family: 'Satoshi', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  transition: background 0.6s ease, color 0.6s ease;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
::selection { background: var(--accent); color: var(--bg); }

/* ===========================
   TYPOGRAPHY
   =========================== */
.serif {
  font-family: 'Instrument Serif', Georgia, serif;
  font-weight: 400;
}

.serif-i {
  font-family: 'Instrument Serif', Georgia, serif;
  font-style: italic;
  font-weight: 400;
}

.label {
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--text-3);
}

.heading-xl {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: clamp(3.2rem, 9vw, 7rem);
  line-height: 1;
  letter-spacing: -2px;
}

.heading-lg {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -1px;
}

.heading-md {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  line-height: 1.25;
}

.body-text {
  font-size: 1rem;
  color: var(--text-2);
  line-height: 1.85;
  max-width: 540px;
}

.body-sm {
  font-size: 0.88rem;
  color: var(--text-2);
  line-height: 1.7;
}

/* ===========================
   LAYOUT
   =========================== */
.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 40px;
}

.section {
  padding: 120px 0;
}

.section--alt {
  background: var(--bg-alt);
}

/* ===========================
   ANIMATIONS
   =========================== */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.revealed {
  opacity: 1 !important;
  transform: none !important;
}

.d1 { transition-delay: 0.08s; }
.d2 { transition-delay: 0.16s; }
.d3 { transition-delay: 0.24s; }
.d4 { transition-delay: 0.32s; }
.d5 { transition-delay: 0.4s; }
.d6 { transition-delay: 0.48s; }

/* ===========================
   NAV
   =========================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 24px 0;
  transition: all 0.4s ease;
}

.nav--scrolled {
  background: var(--nav-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.nav__inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: 'Instrument Serif', serif;
  font-size: 1.2rem;
  letter-spacing: 1px;
}

.nav__links {
  display: flex;
  gap: 32px;
}

.nav__links a {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-3);
  letter-spacing: 0.5px;
  transition: color 0.3s;
}

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

.nav__right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  transition: border-color 0.3s;
}

.theme-btn:hover { border-color: var(--text-3); }

.theme-btn__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
}

.palette {
  position: fixed;
  top: 64px;
  right: 40px;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 8px;
  display: flex;
  gap: 6px;
  z-index: 1001;
  backdrop-filter: blur(20px);
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition: all 0.3s ease;
}

.palette.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.swatch {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
}

.swatch:hover { transform: scale(1.15); }
.swatch.active { border-color: var(--text); }

.swatch--navy { background: #8b9cf7; }
.swatch--dark { background: #555; }
.swatch--light { background: #e8e5de; }
.swatch--vibrant { background: #c4b5fd; }

/* Mobile toggle */
.menu-btn {
  display: none;
  width: 24px;
  height: 18px;
  flex-direction: column;
  justify-content: space-between;
}

.menu-btn span {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--text);
  transition: all 0.3s;
}

.menu-btn.active span:nth-child(1) { transform: rotate(45deg) translate(6px, 6px); }
.menu-btn.active span:nth-child(2) { opacity: 0; }
.menu-btn.active span:nth-child(3) { transform: rotate(-45deg) translate(6px, -6px); }

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.mobile-menu.open { opacity: 1; pointer-events: auto; }

.mobile-menu a {
  font-family: 'Instrument Serif', serif;
  font-size: 2rem;
  color: var(--text-2);
  transition: color 0.3s;
}

.mobile-menu a:hover { color: var(--text); }

/* ===========================
   HERO
   =========================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  padding-bottom: 80px;
  position: relative;
}

.hero__content {
  width: 100%;
}

.hero__label {
  margin-bottom: 32px;
}

.hero__name {
  margin-bottom: 40px;
}

.hero__name em {
  font-style: italic;
}

.hero__intro {
  max-width: 480px;
  margin-bottom: 48px;
}

.hero__actions {
  display: flex;
  gap: 16px;
  align-items: center;
}

.hero__scroll {
  position: absolute;
  bottom: 40px;
  right: 40px;
  writing-mode: vertical-rl;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-3);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 500;
  transition: all 0.3s;
}

.btn--pill {
  padding: 12px 28px;
  border: 1px solid var(--line);
  border-radius: 100px;
}

.btn--pill:hover {
  border-color: var(--text);
  background: var(--accent-dim);
}

.btn--text {
  color: var(--text-2);
  padding: 12px 0;
}

.btn--text:hover { color: var(--text); }

.btn--text::after {
  content: '→';
  transition: transform 0.3s;
}

.btn--text:hover::after {
  transform: translateX(4px);
}

/* ===========================
   ABOUT
   =========================== */
.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.about__photo {
  width: 100%;
  aspect-ratio: 4 / 5;
  background: var(--surface);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--text-3);
  font-size: 0.8rem;
}

.about__photo svg {
  width: 40px;
  height: 40px;
  opacity: 0.3;
}

.about__heading {
  margin-bottom: 32px;
}

.about__body {
  margin-bottom: 48px;
}

.about__numbers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.num {
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.num__value {
  font-family: 'Instrument Serif', serif;
  font-size: 2.4rem;
  line-height: 1;
  margin-bottom: 4px;
}

.num__label {
  font-size: 0.78rem;
  color: var(--text-3);
}

.about__languages {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
}

.about__lang {
  font-size: 0.85rem;
  color: var(--text-2);
}

.about__lang small {
  color: var(--text-3);
  font-size: 0.72rem;
}

.about__lang-divider {
  color: var(--text-3);
}

/* ===========================
   EXPERIENCE
   =========================== */
.experience__heading {
  margin-bottom: 72px;
}

.exp-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 48px;
  padding: 40px 0;
  border-top: 1px solid var(--line);
}

.exp-row:last-child {
  border-bottom: 1px solid var(--line);
}

.exp-row__year {
  font-family: 'Instrument Serif', serif;
  font-size: 1rem;
  color: var(--text-3);
  padding-top: 4px;
}

.exp-row__title {
  margin-bottom: 10px;
}

.exp-row__org {
  font-size: 0.88rem;
  color: var(--text-3);
  margin-bottom: 14px;
}

.exp-row__desc {
  margin-bottom: 14px;
}

.exp-row__points {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.exp-row__point {
  font-size: 0.86rem;
  color: var(--text-2);
  line-height: 1.6;
  padding-left: 16px;
  position: relative;
}

.exp-row__point::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--text-3);
  font-weight: 700;
}

/* ===========================
   SKILLS
   =========================== */
.skills__heading {
  margin-bottom: 72px;
}

.skills__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
}

.skill-block {
  padding: 40px;
  border: 1px solid var(--line);
  margin-top: -1px;
  margin-left: -1px;
  transition: background 0.3s;
}

.skill-block:hover {
  background: var(--accent-dim);
}

.skill-block__num {
  font-family: 'Instrument Serif', serif;
  font-size: 0.9rem;
  color: var(--text-3);
  margin-bottom: 16px;
}

.skill-block__title {
  font-family: 'Instrument Serif', serif;
  font-size: 1.3rem;
  margin-bottom: 20px;
}

.skill-block__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.skill-pill {
  font-size: 0.76rem;
  padding: 5px 14px;
  border-radius: 100px;
  border: 1px solid var(--line);
  color: var(--text-2);
  transition: all 0.3s;
}

.skill-pill:hover {
  color: var(--text);
  border-color: var(--text-3);
}

.skill-pill--featured {
  color: var(--text);
  border-color: var(--accent);
  background: var(--accent-dim);
}

/* ===========================
   EDUCATION
   =========================== */
.education__heading {
  margin-bottom: 72px;
}

.edu-row {
  display: grid;
  grid-template-columns: 180px 1fr auto;
  gap: 48px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
  align-items: center;
}

.edu-row:last-child {
  border-bottom: 1px solid var(--line);
}

.edu-row__school {
  font-size: 0.86rem;
  color: var(--text-3);
}

.edu-row__degree {
  font-family: 'Instrument Serif', serif;
  font-size: 1.15rem;
}

.edu-row__status {
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent);
}

.edu-extras {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 48px;
  padding-top: 48px;
  border-top: 1px solid var(--line);
}

.edu-extras__group .label {
  margin-bottom: 16px;
}

.edu-extras__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.edu-extras__item {
  font-size: 0.78rem;
  padding: 6px 16px;
  border-radius: 100px;
  border: 1px solid var(--line);
  color: var(--text-2);
}

.edu-extras__item--award {
  border-color: var(--accent);
  color: var(--accent);
}

/* ===========================
   PORTFOLIO
   =========================== */
.portfolio__heading {
  margin-bottom: 72px;
}

.portfolio__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.project {
  padding: 40px;
  border: 1px solid var(--line);
  transition: all 0.4s;
  position: relative;
}

.project:hover {
  background: var(--accent-dim);
  border-color: var(--text-3);
}

.project__icon {
  font-size: 1.6rem;
  margin-bottom: 20px;
  opacity: 0.6;
}

.project__title {
  font-family: 'Instrument Serif', serif;
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.project__desc {
  font-size: 0.88rem;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 20px;
}

.project__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.project__tag {
  font-size: 0.7rem;
  padding: 3px 10px;
  border-radius: 100px;
  border: 1px solid var(--line);
  color: var(--text-3);
}

/* ===========================
   TESTIMONIALS
   =========================== */
.testimonials__heading {
  margin-bottom: 72px;
}

.testimonials__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.quote-card {
  padding: 40px;
  border: 1px solid var(--line);
  transition: background 0.3s;
}

.quote-card:hover {
  background: var(--accent-dim);
}

.quote-card__mark {
  font-family: 'Instrument Serif', serif;
  font-size: 3rem;
  line-height: 1;
  color: var(--text-3);
  margin-bottom: 16px;
  opacity: 0.4;
}

.quote-card__text {
  font-size: 0.95rem;
  color: var(--text-2);
  line-height: 1.85;
  font-style: italic;
  margin-bottom: 24px;
}

.quote-card__author {
  font-size: 0.82rem;
  font-weight: 500;
}

.quote-card__role {
  font-size: 0.76rem;
  color: var(--text-3);
}

/* ===========================
   CONTACT
   =========================== */
.contact__inner {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.contact__heading {
  margin-bottom: 20px;
}

.contact__body {
  margin-bottom: 40px;
  margin-left: auto;
  margin-right: auto;
}

.contact__links {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.contact__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: 1px solid var(--line);
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--text-2);
  transition: all 0.3s;
}

.contact__link:hover {
  border-color: var(--text);
  color: var(--text);
}

.contact__link svg {
  width: 16px;
  height: 16px;
  opacity: 0.5;
}

/* ===========================
   FOOTER
   =========================== */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--line);
  text-align: center;
}

.footer__text {
  font-size: 0.76rem;
  color: var(--text-3);
  letter-spacing: 0.5px;
}

/* ===========================
   BACK TO TOP
   =========================== */
.btt {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s;
  background: var(--bg);
}

.btt.visible { opacity: 1; pointer-events: auto; }
.btt:hover { border-color: var(--text); }

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 1024px) {
  .about__inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about__photo {
    max-width: 360px;
  }

  .exp-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .edu-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .edu-row__status {
    justify-self: start;
  }
}

@media (max-width: 768px) {
  .section { padding: 80px 0; }
  .wrap { padding: 0 24px; }
  .nav__inner { padding: 0 24px; }
  .nav__links { display: none; }
  .menu-btn { display: flex; }
  .hero { padding-bottom: 60px; }
  .hero__scroll { display: none; }

  .skills__grid { grid-template-columns: 1fr; }
  .portfolio__grid { grid-template-columns: 1fr; }
  .testimonials__grid { grid-template-columns: 1fr; }

  .skill-block { padding: 28px; }
}

@media (max-width: 480px) {
  .wrap { padding: 0 20px; }
  .heading-xl { letter-spacing: -1px; }

  .hero__actions {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .contact__links {
    flex-direction: column;
    align-items: center;
  }
}