/* ============================================
   LAYOUT – Dark-themed portfolio
   Container, sections, grids, structural layout
   ============================================ */

/* Container */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* Sections */
.section {
  padding: var(--space-5xl) 0;
}

.section__title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-3xl);
}

/* Gradient accent line under section titles */
.section__title::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: var(--gradient-accent);
  margin-top: var(--space-sm);
  border-radius: 2px;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.nav--scrolled {
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.06);
  background: rgba(255, 255, 255, 0.95);
}

.nav__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  background: radial-gradient(ellipse at 20% 50%, rgba(37, 99, 235, 0.05) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 20%, rgba(124, 58, 237, 0.04) 0%, transparent 50%),
              var(--color-bg);
}

.hero__layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3xl);
}

.hero__content { flex: 1; max-width: 620px; }
.hero__photo { flex-shrink: 0; }

.hero__img {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  border: 3px solid var(--color-border);
  box-shadow: var(--shadow-glow-lg);
}

/* Card Grid: 2 columns */
.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

/* Contact Links: horizontal */
.contact__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

/* Alternating section backgrounds */
.stats { background: var(--gradient-subtle); }
.journey { background: var(--color-bg); }
.work { background: var(--color-bg-alt); }
.tools { background: var(--color-bg); }
.philosophy { background: var(--color-bg-alt); }
.blog { background: var(--color-bg-alt); }
.videos { background: var(--color-bg); }
.ideas { background: var(--color-bg-alt); }
.contact { background: var(--color-bg); }

/* Footer */
.footer {
  padding: var(--space-2xl) 0;
  border-top: 1px solid var(--color-border);
  text-align: center;
  background: var(--color-bg);
}

/* Scroll reveal: only hide sections after JS adds .will-reveal */
.section.will-reveal .container {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.section.will-reveal.is-visible .container {
  opacity: 1;
  transform: translateY(0);
}