/*
  Tony Obisesan Portfolio Styles
  - Story-first visual direction
  - Premium editorial dark aesthetic
  - Mobile-first responsive layout
*/

:root {
  --color-bg-primary: #0b1219;
  --color-bg-secondary: #101a27;
  --color-bg-surface: #162334;
  --color-border-soft: rgba(199, 214, 236, 0.22);

  --color-accent-main: #84e4d5;
  --color-accent-alt: #90a8ff;
  --color-accent-green: #89e5a3;
  --color-accent-amber: #ffc98b;

  --color-text-primary: #ecf4ff;
  --color-text-secondary: #a6b8d3;
  --color-danger: #ff8f8f;

  --font-primary: "Inter", -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", monospace;

  --section-padding: 96px 0;
  --container-max-width: 1160px;
  --card-border-radius: 14px;

  --glass-bg: rgba(22, 35, 52, 0.72);
  --glass-blur: blur(14px);
  --shadow-soft: 0 18px 44px rgba(5, 11, 21, 0.45);
  --transition-default: all 0.3s ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-text-primary);
  font-family: var(--font-primary);
  line-height: 1.65;
  background:
    radial-gradient(980px 560px at -12% -18%, rgba(132, 228, 213, 0.18), transparent 66%),
    radial-gradient(900px 500px at 112% 6%, rgba(144, 168, 255, 0.16), transparent 62%),
    linear-gradient(180deg, #090f16 0%, #0b1219 50%, #0f1825 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.14;
  background-image:
    linear-gradient(rgba(132, 228, 213, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(144, 168, 255, 0.08) 1px, transparent 1px);
  background-size: 88px 88px;
  z-index: -1;
}

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

h1,
h2,
h3,
h4 {
  margin: 0 0 0.8rem;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.2rem, 7vw, 3.9rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(1.75rem, 4.8vw, 2.6rem);
  font-weight: 700;
}

h3 {
  font-size: clamp(1.12rem, 3vw, 1.46rem);
  font-weight: 600;
}

h4 {
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-family: var(--font-mono);
}

p {
  margin: 0 0 1rem;
}

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  z-index: 2000;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-accent-main);
  color: var(--color-text-primary);
  border-radius: 8px;
  padding: 0.55rem 0.9rem;
}

.container {
  width: min(calc(100% - 1.6rem), var(--container-max-width));
  margin: 0 auto;
}

.section {
  padding: var(--section-padding);
}

main .section {
  content-visibility: auto;
  contain-intrinsic-size: 1px 860px;
}

#hero.section {
  content-visibility: visible;
  contain-intrinsic-size: auto;
}

.section-alt {
  background: linear-gradient(180deg, rgba(16, 26, 39, 0.86), rgba(16, 26, 39, 0.58));
}

.section-title {
  margin-bottom: 1.65rem;
  max-width: 18ch;
}

.section-kicker {
  margin: 0 0 0.7rem;
  color: var(--color-accent-main);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-family: var(--font-mono);
  font-size: 0.74rem;
}

.pre-heading {
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  margin-bottom: 0.9rem;
}

.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--color-border-soft);
  backdrop-filter: var(--glass-blur);
  border-radius: var(--card-border-radius);
  box-shadow: var(--shadow-soft);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  background: transparent;
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(12px);
}

.site-header.scrolled {
  background: rgba(7, 12, 18, 0.88);
  border-bottom-color: var(--color-border-soft);
}

.nav-wrap {
  min-height: 4.7rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  text-decoration: none;
  font-weight: 700;
  font-size: 1.08rem;
}

.logo span {
  color: var(--color-accent-main);
}

.menu-toggle {
  width: 2.8rem;
  height: 2.8rem;
  border: 1px solid var(--color-border-soft);
  border-radius: 10px;
  background: rgba(16, 26, 39, 0.92);
  padding: 0.55rem;
  cursor: pointer;
  position: relative;
  z-index: 1201;
}

.menu-toggle span {
  display: block;
  height: 2px;
  background: var(--color-text-primary);
  margin: 5px 0;
  transition: var(--transition-default);
}

.menu-open .menu-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-open .menu-toggle span:nth-child(2) {
  opacity: 0;
}

.menu-open .menu-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.primary-nav {
  position: fixed;
  inset: 0;
  background: rgba(6, 10, 15, 0.97);
  backdrop-filter: blur(12px);
  padding: 6rem 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  transform: translateX(100%);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  z-index: 1100;
  transition: transform 0.35s ease;
}

.menu-open .primary-nav {
  transform: translateX(0);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.primary-nav a {
  text-decoration: none;
  color: var(--color-text-primary);
  font-size: 1.02rem;
  font-weight: 600;
  border: 1px solid var(--color-border-soft);
  border-left: 3px solid transparent;
  border-radius: 10px;
  background: rgba(20, 31, 46, 0.94);
  padding: 0.68rem 0.84rem;
  transition: var(--transition-default);
}

.primary-nav a:hover,
.primary-nav a.active {
  color: var(--color-accent-main);
  border-left-color: var(--color-accent-main);
}

.hero {
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.8rem;
  align-items: center;
}

.hero-title span {
  background: linear-gradient(to right, var(--color-accent-main), var(--color-accent-alt));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.typed-row {
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
}

#typed-text {
  color: var(--color-accent-main);
  font-weight: 700;
}

.cursor {
  color: var(--color-accent-alt);
  animation: blink 1s steps(1) infinite;
}

@keyframes blink {
  0%,
  49% {
    opacity: 1;
  }

  50%,
  100% {
    opacity: 0;
  }
}

.hero-summary {
  color: var(--color-text-secondary);
  max-width: 64ch;
  font-size: 1.04rem;
}

.cta-group {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.72rem;
  margin-top: 1.2rem;
}

.btn {
  text-decoration: none;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  border-radius: 12px;
  border: 1px solid transparent;
  padding: 0.74rem 1.2rem;
  font-weight: 700;
  transition: var(--transition-default);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.96rem;
}

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

.btn-primary {
  background: linear-gradient(to right, var(--color-accent-main), #bdf2ea);
  color: #092030;
}

.btn-outline {
  border-color: var(--color-accent-main);
  color: var(--color-accent-main);
  background: rgba(132, 228, 213, 0.09);
}

.btn-link {
  color: var(--color-accent-main);
  padding: 0;
  border: 0;
  background: transparent;
  border-radius: 0;
}

.btn-link:hover {
  transform: none;
  text-decoration: underline;
}

.location-badge {
  margin: 1rem 0 0;
  display: inline-flex;
  border: 1px solid var(--color-border-soft);
  border-radius: 999px;
  padding: 0.35rem 0.8rem;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.social-row {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.72rem;
}

.social-row a {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.social-row a:hover {
  color: var(--color-accent-main);
}

.hero-visual {
  display: grid;
  gap: 1rem;
}

.profile-placeholder {
  width: min(294px, 100%);
  aspect-ratio: 1;
  margin: 0 auto;
  border-radius: 50%;
  display: grid;
  place-items: center;
  border: 2px solid var(--color-accent-main);
  overflow: hidden;
}

.profile-placeholder span {
  display: block;
  width: 100%;
  height: 100%;
}

.profile-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.floating-card {
  padding: 1.04rem;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.24rem;
}

.about-copy {
  border-left: 3px solid var(--color-accent-alt);
  padding-left: 1rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.stat-card {
  padding: 1rem;
}

.stat-value {
  font-size: clamp(1.5rem, 6vw, 2.4rem);
  margin: 0 0 0.35rem;
  color: var(--color-accent-main);
  font-weight: 800;
}

.stat-label {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.skills-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
}

.skill-card {
  padding: 1rem;
  background: rgba(17, 27, 40, 0.72);
}

.skill-card .tag {
  display: inline-flex;
  margin: 0;
  padding: 0.22rem 0.58rem;
  border-radius: 999px;
  border: 1px solid var(--color-border-soft);
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.timeline {
  position: relative;
  display: grid;
  gap: 1rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 0.9rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent-main), var(--color-accent-alt));
}

.timeline-card {
  position: relative;
  margin-left: 2rem;
  padding: 1rem;
}

.timeline-card::before {
  content: "";
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 50%;
  background: var(--color-accent-main);
  position: absolute;
  left: -1.55rem;
  top: 1.25rem;
}

.meta {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.badge-current {
  display: inline-flex;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: rgba(137, 229, 163, 0.18);
  border: 1px solid var(--color-accent-green);
  font-size: 0.76rem;
  font-family: var(--font-mono);
}

.exp-list {
  margin: 0 0 0.65rem;
  padding-left: 1rem;
  overflow: hidden;
  max-height: 5.2rem;
  transition: max-height 0.3s ease;
}

.timeline-card.expanded .exp-list {
  max-height: 24rem;
}

.exp-list .extra {
  list-style: disc;
}

.exp-toggle {
  border: 1px solid var(--color-border-soft);
  border-radius: 999px;
  background: transparent;
  color: var(--color-accent-main);
  padding: 0.25rem 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  cursor: pointer;
}

.recognition-grid,
.projects-grid,
.education-grid,
.dynamic-grid,
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.recognition-card,
.project-card,
.edu-card,
.dynamic-card,
.contact-form {
  padding: 1.04rem;
}

.recognition-card {
  border-color: rgba(137, 229, 163, 0.42);
}

.project-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.filter-btn {
  border: 1px solid var(--color-border-soft);
  background: transparent;
  color: var(--color-text-secondary);
  border-radius: 999px;
  padding: 0.35rem 0.72rem;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

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

.project-card {
  background: rgba(17, 27, 40, 0.72);
}

.project-card a {
  color: var(--color-accent-main);
  text-decoration: none;
  display: inline-block;
  margin-bottom: 0.55rem;
}

.project-card a:hover {
  text-decoration: underline;
}

.case-study-grid {
  display: grid;
  gap: 0.55rem;
  margin-bottom: 0.75rem;
}

.case-study-row {
  border: 1px solid var(--color-border-soft);
  border-radius: 10px;
  padding: 0.55rem 0.65rem;
  background: rgba(11, 18, 28, 0.56);
}

.case-study-row h4 {
  margin: 0 0 0.22rem;
  color: var(--color-accent-main);
}

.case-study-row p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.project-card .status {
  display: inline-flex;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
}

.status.live {
  background: rgba(137, 229, 163, 0.16);
  border: 1px solid var(--color-accent-green);
}

.status.progress {
  background: rgba(255, 201, 139, 0.16);
  border: 1px solid var(--color-accent-amber);
}

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

.edu-icon {
  font-size: 1.2rem;
  margin-bottom: 0.4rem;
}

.year {
  color: var(--color-accent-main);
  font-weight: 700;
  font-family: var(--font-mono);
  margin: 0;
}

.dynamic-card {
  border-radius: var(--card-border-radius);
  border: 1px solid var(--color-border-soft);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
}

.dynamic-meta {
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.dynamic-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.dynamic-tags span {
  border: 1px solid var(--color-border-soft);
  border-radius: 999px;
  padding: 0.18rem 0.5rem;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.dynamic-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 0.65rem;
  border: 1px solid var(--color-border-soft);
}

.solar-card,
.solar-slideshow-card {
  height: 100%;
}

.solar-card p {
  color: var(--color-text-secondary);
}

.solar-slideshow {
  width: 100%;
}

.solar-slides {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 10px;
  border: 1px solid var(--color-border-soft);
}

.solar-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0;
  animation: solarFade 15s infinite ease-in-out;
}

.solar-slide:nth-child(1) {
  opacity: 1;
  animation-delay: 0s;
}

.solar-slide:nth-child(2) {
  animation-delay: 5s;
}

.solar-slide:nth-child(3) {
  animation-delay: 10s;
}

@keyframes solarFade {
  0%,
  28% {
    opacity: 1;
  }

  33%,
  100% {
    opacity: 0;
  }
}

.dynamic-link {
  color: var(--color-accent-main);
  font-weight: 600;
  text-decoration: none;
}

.dynamic-link:hover {
  text-decoration: underline;
}

.dynamic-empty {
  border: 1px dashed var(--color-border-soft);
  border-radius: var(--card-border-radius);
  padding: 1rem;
  color: var(--color-text-secondary);
}

.contact-info p {
  color: var(--color-text-secondary);
}

.contact-form label,
.admin-form label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.9rem;
}

.contact-form input,
.contact-form textarea,
.admin-form input,
.admin-form textarea,
.admin-form select {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--color-border-soft);
  background: var(--color-bg-surface);
  color: var(--color-text-primary);
  margin-bottom: 0.35rem;
  font-family: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus,
.admin-form input:focus,
.admin-form textarea:focus,
.admin-form select:focus {
  border-color: var(--color-accent-main);
  outline: none;
}

.error {
  min-height: 1rem;
  display: block;
  color: var(--color-danger);
  font-size: 0.78rem;
  margin-bottom: 0.2rem;
}

.form-status {
  min-height: 1rem;
  color: var(--color-text-secondary);
}

.form-status.success {
  color: var(--color-accent-green);
}

.form-status.error {
  color: var(--color-danger);
}

.site-footer {
  border-top: 1px solid transparent;
  border-image: linear-gradient(to right, var(--color-accent-main), var(--color-accent-alt)) 1;
  padding: 1.5rem 0;
  background: var(--color-bg-primary);
}

.footer-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: center;
  justify-content: space-between;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.footer-nav a {
  color: var(--color-text-secondary);
  text-decoration: none;
}

.footer-nav a:hover {
  color: var(--color-accent-main);
}

.built-tag {
  color: var(--color-text-secondary);
  font-size: 0.88rem;
}

.back-to-top {
  border: 1px solid var(--color-border-soft);
  background: transparent;
  color: var(--color-accent-main);
  border-radius: 999px;
  padding: 0.33rem 0.7rem;
  cursor: pointer;
  display: none;
}

.back-to-top.show {
  display: inline-flex;
}

.reveal-on-scroll {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.58s ease, transform 0.58s ease;
}

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

.admin-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.admin-panel {
  padding: 1rem;
}

.admin-login-panel {
  max-width: 520px;
  margin: 0 auto 1rem;
}

.admin-login-panel .btn {
  width: 100%;
}

.admin-form {
  display: grid;
  gap: 0.3rem;
}

.admin-actions-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.admin-list {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.9rem;
}

.admin-item {
  border: 1px solid var(--color-border-soft);
  border-radius: 10px;
  background: rgba(22, 35, 52, 0.58);
  padding: 0.8rem;
}

.admin-item h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
}

.admin-item p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.admin-item img {
  width: 100%;
  max-width: 220px;
  border-radius: 8px;
  margin-top: 0.6rem;
}

.admin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.6rem;
}

.admin-btn {
  border: 1px solid var(--color-border-soft);
  background: transparent;
  color: var(--color-text-primary);
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
  font-size: 0.76rem;
  cursor: pointer;
  font-family: var(--font-mono);
}

.admin-btn:hover {
  border-color: var(--color-accent-main);
  color: var(--color-accent-main);
}

.admin-btn.delete:hover {
  border-color: var(--color-danger);
  color: var(--color-danger);
}

@media (min-width: 768px) {
  .container {
    width: min(calc(100% - 2rem), var(--container-max-width));
  }

  .cta-group {
    grid-template-columns: repeat(2, max-content);
  }

  .about-grid {
    grid-template-columns: 1.1fr 1fr;
    align-items: start;
  }

  .skills-grid,
  .projects-grid,
  .education-grid,
  .dynamic-grid,
  .recognition-grid,
  .contact-grid,
  .admin-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1.2fr 1fr;
    gap: 2rem;
  }

  .menu-toggle {
    display: none;
  }

  .primary-nav {
    position: static;
    inset: auto;
    transform: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    z-index: auto;
    background: transparent;
    backdrop-filter: none;
    padding: 0;
    flex-direction: row;
    gap: 0.85rem;
  }

  .primary-nav a {
    background: transparent;
    border: 0;
    border-left: 0;
    border-bottom: 2px solid transparent;
    padding: 0;
    font-size: 0.95rem;
  }

  .primary-nav a:hover,
  .primary-nav a.active {
    border-left: 0;
    border-bottom-color: var(--color-accent-main);
  }

  .timeline {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
  }

  .timeline::before {
    left: 50%;
    transform: translateX(-1px);
  }

  .timeline-card {
    width: calc(50% - 1rem);
    margin-left: 0;
    margin-right: 0;
  }

  .timeline-card::before {
    left: auto;
    right: -2.36rem;
    top: 1.25rem;
  }

  .timeline-card:nth-child(odd) {
    align-self: flex-start;
  }

  .timeline-card:nth-child(even) {
    align-self: flex-end;
  }

  .timeline-card:nth-child(even)::before {
    right: auto;
    left: -2.36rem;
  }

  .skills-grid,
  .projects-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .admin-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .admin-grid .admin-panel:first-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1200px) {
  .recognition-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .education-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .section {
    padding: 76px 0;
  }

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

  .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0ms !important;
    transition-duration: 0ms !important;
  }

  .reveal-on-scroll {
    opacity: 1;
    transform: none;
  }

  .solar-slide {
    animation: none;
    opacity: 0;
  }

  .solar-slide:first-child {
    opacity: 1;
  }
}