/* ============================================================
   HOME PAGE STYLES — index.html specific
   Imports global.css which imports variables.css.
   ============================================================ */

@import url('global.css');

/* --- Navigation -------------------------------------------- */
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--page-margin);
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-on-surface);
  letter-spacing: -0.02em;
  transition: color var(--transition-fast);
}

.nav-logo:hover {
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-links a {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-on-surface-variant);
  transition: color var(--transition-fast);
  position: relative;
  padding-bottom: 2px;
}

/* Underline slide-in on hover */
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: var(--color-primary);
  transition: width var(--transition-default);
}

.nav-links a:hover {
  color: var(--color-on-surface);
}

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

/* Mobile hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: transparent;
  border: none;
  cursor: pointer;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-on-surface);
  border-radius: var(--radius-pill);
  transition: all var(--transition-default);
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(13, 13, 15, 0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
    padding: var(--space-2) 0;
    z-index: 60;
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a {
    padding: var(--space-2) var(--page-margin);
    display: block;
  }

  .nav-hamburger {
    display: flex;
  }

  .nav-inner .btn-primary {
    display: none;
  }
}

@media (max-width: 480px) {
  .nav-inner {
    padding-inline: 16px;
  }
}

/* --- Hero section ------------------------------------------ */
.hero {
  position: relative;
  z-index: 10;
  padding-block: var(--space-10) var(--space-8);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: center;
}

.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.hero__eyebrow::before {
  content: '';
  display: block;
  width: 48px;
  height: 1px;
  background: rgba(51, 214, 204, 0.4);
  flex-shrink: 0;
}

.hero__name {
  font-family: var(--font-serif);
  font-size: var(--text-4xl);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-on-surface);
  margin-bottom: var(--space-1);
}

.hero__title {
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-secondary);
  margin-bottom: var(--space-2);
}

.hero__bio {
  font-size: var(--text-base);
  color: var(--color-on-surface-variant);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.hero__credentials {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* Profile image column */
.hero__image-wrap {
  position: relative;
  max-width: 420px;
  margin-inline: auto;
}

/* Subtle orange glow behind the image */
.hero__image-wrap::before {
  content: '';
  position: absolute;
  inset: -16px;
  border-radius: var(--radius-2xl);
  background: rgba(251, 146, 60, 0.07);
  transform: rotate(-3deg);
  transition: transform var(--transition-card);
  z-index: 0;
}

.hero__image-wrap:hover::before {
  transform: rotate(0deg);
}

.hero__image {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--radius-2xl);
  border: 1px solid var(--glass-border);
  position: relative;
  z-index: 1;
}

.hero__image-placeholder {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-2xl);
  background: var(--color-surface-container);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-outline);
  font-size: var(--text-sm);
  position: relative;
  z-index: 1;
}

/* Scroll indicator */
.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-top: var(--space-8);
  color: var(--color-on-surface-variant);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.scroll-indicator__line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--color-outline-variant), transparent);
}

@media (prefers-reduced-motion: no-preference) {
  @keyframes scrollBounce {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50%       { transform: translateY(8px); opacity: 0.4; }
  }

  .scroll-indicator__line {
    animation: scrollBounce 1.8s ease-in-out infinite;
  }
}

/* Hero responsive */
@media (max-width: 900px) {
  .hero__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__eyebrow {
    justify-content: center;
  }

  .hero__bio {
    max-width: 100%;
    margin-inline: auto;
  }

  .hero__credentials {
    justify-content: center;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__image-wrap {
    max-width: 280px;
    order: -1;
  }
}

@media (max-width: 600px) {
  .hero__name {
    font-size: 36px;
  }
}

/* --- Section headings (shared) ----------------------------- */
.section-eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.section-eyebrow::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: rgba(51, 214, 204, 0.4);
  flex-shrink: 0;
}

.section-heading {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-on-surface);
  margin-bottom: var(--space-1);
  line-height: 1.3;
}

.section-subheading {
  font-size: var(--text-base);
  color: var(--color-on-surface-variant);
  margin-bottom: var(--space-6);
  max-width: 600px;
  line-height: 1.7;
}

/* --- Cards grid -------------------------------------------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--column-gap);
}

@media (max-width: 768px) {
  .cards-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Project cards ----------------------------------------- */
.project-card__image-wrap {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-bottom: 1px solid var(--glass-border);
  background: var(--color-surface-container-high);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  position: relative;
}

.project-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease, opacity 0.3s ease;
  opacity: 0.9;
}

.glass-card:hover .project-card__image {
  transform: scale(1.06);
  opacity: 1;
}

.project-card__image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-container);
  color: var(--color-outline);
  font-size: var(--text-sm);
  flex-direction: column;
  gap: var(--space-1);
}

.project-card__body {
  padding: var(--card-padding);
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-grow: 1;
}

.project-card__category {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-secondary);
}

.project-card__title {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  color: var(--color-on-surface);
  line-height: 1.3;
  transition: color var(--transition-fast);
}

.glass-card:hover .project-card__title {
  color: var(--color-primary);
}

.project-card__desc {
  font-size: var(--text-base);
  color: var(--color-on-surface-variant);
  line-height: 1.7;
  flex-grow: 1;
}

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

.project-card__footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-2);
  border-top: 1px solid var(--glass-border);
  margin-top: 4px;
}

.project-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-accent);
  transition: gap var(--transition-fast), color var(--transition-fast);
}

.project-card__link:hover {
  gap: 10px;
  color: var(--color-on-surface);
}

/* --- Certificate cards ------------------------------------- */
.cert-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Image preview area at top of cert card */
.cert-card__image-wrap {
  aspect-ratio: 16 / 7;
  overflow: hidden;
  border-bottom: 1px solid var(--glass-border);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: rgba(255, 255, 255, 0.96);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  transition: background var(--transition-default);
}

.cert-card__image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.7s ease;
}

.glass-card:hover .cert-card__image {
  transform: scale(1.03);
}

.cert-card__image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
}

/* Content row (icon + text) below the image */
.cert-card__body {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--card-padding);
}

.cert-card__icon {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  background: rgba(251, 146, 60, 0.1);
  border: 1px solid rgba(251, 146, 60, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.cert-card__content {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cert-card__issuer {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.cert-card__title {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  color: var(--color-on-surface);
  line-height: 1.3;
}

.cert-card__desc {
  font-size: var(--text-base);
  color: var(--color-on-surface-variant);
  line-height: 1.6;
}

.cert-card__meta {
  font-size: var(--text-xs);
  color: var(--color-outline);
  margin-top: 4px;
}

/* --- Skill bars -------------------------------------------- */
.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4) var(--space-8);
}

@media (max-width: 600px) {
  .skills-grid {
    grid-template-columns: 1fr;
  }
}

.skill-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.skill-item__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.skill-item__name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-on-surface);
}

.skill-item__pct {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent);
  font-family: monospace;
}

.skill-bar {
  height: 4px;
  background: var(--skill-bar-bg);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.skill-bar__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-secondary));
  border-radius: var(--radius-pill);
  width: 0;
}

@media (prefers-reduced-motion: no-preference) {
  .skill-bar__fill.animate {
    width: var(--skill-width);
    transition: width 1s ease 0.3s;
  }
}

@media (prefers-reduced-motion: reduce) {
  .skill-bar__fill {
    width: var(--skill-width);
  }
}

/* --- Footer ------------------------------------------------ */
.site-footer {
  position: relative;
  z-index: 10;
  margin-top: var(--space-10);
  padding-block: var(--space-8);
  border-top: 1px solid var(--glass-border);
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
}

.footer__brand-name {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  color: var(--color-on-surface);
}

.footer__brand-subtitle {
  font-size: var(--text-xs);
  color: var(--color-outline);
  margin-top: 4px;
}

.footer__links {
  display: flex;
  gap: var(--space-4);
}

.footer__links a {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-on-surface-variant);
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--color-primary);
}

.footer__copy {
  font-size: var(--text-xs);
  color: var(--color-outline);
}

@media (max-width: 600px) {
  .footer__inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

/* --- Experience cards -------------------------------------- */
.experience-card {
  padding: var(--card-padding);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.experience-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.experience-card__role {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  color: var(--color-on-surface);
  line-height: 1.3;
  margin-bottom: 4px;
}

.experience-card__org {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.experience-card__dates {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-on-surface-variant);
  font-family: monospace;
  white-space: nowrap;
  padding: 4px 14px;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-pill);
  flex-shrink: 0;
}

.experience-card__desc {
  font-size: var(--text-base);
  color: var(--color-on-surface-variant);
  line-height: 1.7;
}

.experience-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}