/* ==========================================================================
   ANA STİL DOSYASI — Temel, yerleşim, üst bilgi, hero, bölümler, alt bilgi
   Yasemin Nurdan Çapan — Mimarlık Portfolyosu
   ========================================================================== */

@import url('./variables.css');
@import url('./components.css');
@import url('./blog.css');

/* --------------------------------------------------------------------------
   SIFIRLAMA & TEMEL
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  background-image: var(--grad-page);
  background-attachment: fixed;
  min-height: 100dvh;
  overflow-x: hidden;
  transition: background-color 0.5s var(--ease-out), color 0.5s var(--ease-out);
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; touch-action: manipulation; }
ul { list-style: none; }
::selection { background: var(--accent); color: var(--btn-primary-fg); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  font-variant-numeric: lining-nums;
}
.spread-proj-num, .stat-value, .principles-list .num { font-variant-numeric: lining-nums tabular-nums; }

:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: fixed; top: -60px; left: 16px; z-index: 1000;
  padding: 0.6rem 1rem; border-radius: var(--radius-sm);
  background: var(--accent); color: var(--btn-primary-fg); font-weight: 600;
  transition: top var(--t-fast);
}
.skip-link:focus { top: 12px; }

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 3rem);
}

/* Kaydırma ilerleme çubuğu */
.scroll-progress {
  position: fixed; inset: 0 0 auto 0; height: 2px; z-index: calc(var(--z-header) + 1);
  transform-origin: 0 50%; transform: scaleX(0);
  background: var(--grad-accent);
  pointer-events: none;
}

/* Kaydırmayla beliren öğeler */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
  transition-delay: var(--reveal-delay, 0s);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* --------------------------------------------------------------------------
   DÜĞMELER
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.55rem;
  min-height: 48px; padding: 0.8rem 1.6rem;
  font-family: var(--font-sans); font-size: 0.88rem; font-weight: 600; letter-spacing: 0.02em;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  cursor: pointer; white-space: nowrap;
  transition: transform var(--t-fast), box-shadow var(--t-normal), background-color var(--t-normal),
              color var(--t-normal), border-color var(--t-normal), background-position 0.6s var(--ease-out);
}
.btn svg { width: 1.05em; height: 1.05em; flex: none; }
.btn:active { transform: scale(0.97); }
.btn-sm { min-height: 44px; padding: 0.55rem 1.2rem; font-size: 0.82rem; }

.btn-primary {
  color: var(--btn-primary-fg);
  background-image: var(--grad-accent);
  background-size: 200% 100%;
  background-position: 0% 0;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background-position: 100% 0; box-shadow: var(--shadow-glow); transform: translateY(-2px); }

.btn-secondary {
  color: var(--text-primary);
  background: var(--bg-elevated);
  border-color: var(--border-medium);
}
.btn-secondary:hover { border-color: var(--border-accent); color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow-md); }

.btn-outline {
  color: var(--text-primary);
  border-color: var(--border-strong);
  background: transparent;
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }

.btn-icon { width: 48px; min-width: 48px; padding: 0; }

/* Tema düğmesi ikonları */
.theme-toggle .icon-sun, .theme-toggle .icon-moon { transition: transform 0.5s var(--ease-out), opacity 0.3s; }
.theme-toggle { position: relative; overflow: hidden; }
.theme-toggle .icon-sun { position: absolute; }
.theme-toggle .icon-moon { position: absolute; }
:root[data-theme="dark"] .theme-toggle .icon-sun { transform: rotate(0); opacity: 1; }
:root[data-theme="dark"] .theme-toggle .icon-moon { transform: rotate(-90deg) scale(0.4); opacity: 0; }
:root[data-theme="light"] .theme-toggle .icon-sun { transform: rotate(90deg) scale(0.4); opacity: 0; }
:root[data-theme="light"] .theme-toggle .icon-moon { transform: rotate(0); opacity: 1; }

/* --------------------------------------------------------------------------
   ÜST BİLGİ
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: var(--z-header);
  height: var(--header-h);
  display: flex; align-items: center;
  transition: background-color var(--t-normal), backdrop-filter var(--t-normal), box-shadow var(--t-normal);
}
.site-header.is-scrolled {
  background: var(--bg-glass);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  backdrop-filter: blur(18px) saturate(1.4);
  box-shadow: 0 1px 0 var(--border-subtle);
}
.site-header.is-scrolled::after {
  content: ''; position: absolute; inset: auto 0 0 0; height: 1px; background: var(--grad-hairline); opacity: 0.6;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }

.brand-monogram { display: flex; align-items: center; gap: 0.85rem; flex: none; }
.brand-symbol {
  display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%;
  font-family: var(--font-display); font-size: 1.15rem; font-weight: 600; letter-spacing: 0.02em;
  color: var(--btn-primary-fg); background-image: var(--grad-accent);
  box-shadow: var(--shadow-sm);
  transition: transform var(--t-normal);
}
.brand-monogram:hover .brand-symbol { transform: rotate(-8deg) scale(1.05); }
.brand-info { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name { font-family: var(--font-display); font-size: 1.2rem; font-weight: 600; }
.brand-tag { font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-muted); }

.nav-links { display: flex; align-items: center; gap: 0.15rem; }
.nav-link {
  position: relative; display: inline-flex; align-items: center; min-height: 44px; padding: 0 0.85rem;
  font-size: 0.82rem; font-weight: 500; letter-spacing: 0.02em; color: var(--text-secondary);
  transition: color var(--t-fast);
}
.nav-link::after {
  content: ''; position: absolute; left: 0.85rem; right: 0.85rem; bottom: 9px; height: 1px;
  background: var(--grad-accent); transform: scaleX(0); transform-origin: left;
  transition: transform var(--t-normal);
}
.nav-link:hover, .nav-link.active { color: var(--text-primary); }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: 0.6rem; flex: none; }
.menu-toggle { display: none; }

/* --------------------------------------------------------------------------
   HERO
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  padding: calc(var(--header-h) + clamp(2.5rem, 6vw, 5rem)) 0 clamp(3rem, 7vw, 6rem);
  min-height: 100dvh; display: flex; align-items: center;
}
.hero-grid { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.hero-content { display: flex; flex-direction: column; gap: 1.6rem; }

.hero-meta-badge {
  align-self: flex-start; display: inline-flex; align-items: center; gap: 0.6rem;
  padding: 0.45rem 1rem; border-radius: var(--radius-full);
  font-size: 0.74rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-secondary);
  background: var(--bg-glass); border: 1px solid var(--border-medium);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
}
.status-dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 0 0 var(--accent); animation: pulse 2.6s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 55%, transparent); }
  70% { box-shadow: 0 0 0 10px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

.hero-title { font-size: clamp(3.2rem, 8.4vw, 7.2rem); font-weight: 500; line-height: 0.96; letter-spacing: -0.025em; }
.hero-title .highlight {
  font-style: italic; font-weight: 500;
  background: var(--grad-accent); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
  background-size: 200% 100%; animation: sheen 9s var(--ease-in-out) infinite alternate;
}
@keyframes sheen { from { background-position: 0% 0; } to { background-position: 100% 0; } }

.hero-subtitle {
  font-size: 0.82rem; font-weight: 600; letter-spacing: 0.22em; text-transform: uppercase; color: var(--accent);
}
.hero-statement { max-width: 56ch; font-size: 1.08rem; color: var(--text-secondary); line-height: 1.75; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 0.4rem; }

.hero-stats-bar {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 1.4rem;
  border-top: 1px solid var(--border-medium);
}
.stat-item { display: flex; flex-direction: column; padding: 1.1rem 1rem 0 0; }
.stat-item + .stat-item { padding-left: 1rem; border-left: 1px solid var(--border-subtle); }
.stat-value {
  font-family: var(--font-display); font-size: clamp(2rem, 3.4vw, 2.8rem); font-weight: 500; line-height: 1;
  background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  font-variant-numeric: tabular-nums;
}
.stat-label { margin-top: 0.5rem; font-size: 0.74rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-primary); }
.stat-desc { font-size: 0.78rem; color: var(--text-muted); line-height: 1.4; }

.hero-showcase { position: relative; }
.hero-showcase::before {
  content: ''; position: absolute; inset: -6% -8% -8% -6%; z-index: -1; border-radius: var(--radius-lg);
  background: var(--grad-accent); opacity: 0.18; filter: blur(60px);
}
.hero-image-wrapper {
  position: relative; overflow: hidden; cursor: zoom-in; aspect-ratio: 1984 / 1403;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0; background: var(--bg-tertiary);
}
.hero-image-wrapper img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.4s var(--ease-out); }
.hero-image-wrapper:hover img { transform: scale(1.05); }
.hero-image-wrapper::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, transparent 60%, rgba(0, 0, 0, 0.22));
}
.hero-image-caption {
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding: 1rem 1.25rem;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-secondary);
  background: var(--bg-surface); border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}
.hero-image-caption .tag { color: var(--accent); }

/* Çerçeve: yumuşak kart yüzeyi */
.cad-frame {
  position: relative; background: var(--bg-surface);
  border: 1px solid var(--border-subtle); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: box-shadow var(--t-normal), transform var(--t-normal), border-color var(--t-normal);
}
.hero-showcase.cad-frame { border-radius: var(--radius-lg); }

/* --------------------------------------------------------------------------
   BÖLÜMLER
   -------------------------------------------------------------------------- */
.section { position: relative; padding: clamp(4rem, 9vw, 8rem) 0; }
.section-alt { background: var(--grad-section-alt); }
.section-alt::before, .section-alt::after {
  content: ''; position: absolute; left: 0; right: 0; height: 1px; background: var(--grad-hairline); opacity: 0.55;
}
.section-alt::before { top: 0; }
.section-alt::after { bottom: 0; }

.section-header {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 2rem; flex-wrap: wrap;
  margin-bottom: clamp(2rem, 5vw, 4rem);
}
.section-header.is-centered { justify-content: center; text-align: center; }
.section-heading-group { max-width: 760px; }
.section-label {
  display: inline-flex; align-items: center; gap: 0.8rem; margin-bottom: 1.1rem;
  font-size: 0.74rem; font-weight: 700; letter-spacing: 0.22em; text-transform: uppercase; color: var(--accent);
}
.section-label::before { content: ''; width: 36px; height: 1px; background: var(--grad-accent); }
.is-centered .section-label::after { content: ''; width: 36px; height: 1px; background: var(--grad-accent); }
.section-title { font-size: clamp(2.4rem, 5.4vw, 4.4rem); margin-bottom: 1.1rem; }
.section-desc { font-size: 1.06rem; color: var(--text-secondary); max-width: 62ch; }
.is-centered .section-desc { margin-inline: auto; }

.scale-indicator {
  display: inline-flex; align-items: center; gap: 0.7rem;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-muted);
}
.ruler-bar {
  width: 44px; height: 7px; border-left: 1px solid var(--border-strong); border-right: 1px solid var(--border-strong);
  background: linear-gradient(to right, var(--accent) 0 50%, transparent 50% 100%) center / 100% 1px no-repeat;
}

/* --------------------------------------------------------------------------
   FELSEFE / BİYOGRAFİ
   -------------------------------------------------------------------------- */
.philosophy-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.bio-card { padding: clamp(1.6rem, 3vw, 2.6rem); background: var(--grad-surface); }
.bio-title { font-size: clamp(2rem, 3.4vw, 2.8rem); }
.bio-institution { margin: 0.6rem 0 1.4rem; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); }
.bio-text { color: var(--text-secondary); margin-bottom: 1.4rem; }
.principles-list { display: flex; flex-direction: column; gap: 1.1rem; margin-bottom: 1.8rem; }
.principles-list li { display: grid; grid-template-columns: auto 1fr; gap: 1rem; font-size: 0.95rem; color: var(--text-secondary); }
.principles-list .num { font-family: var(--font-display); font-size: 1.6rem; line-height: 1; color: var(--accent); }
.principles-list strong { color: var(--text-primary); font-weight: 600; }
.btn-block { width: 100%; }

.skills-wrapper { display: flex; flex-direction: column; gap: 2.2rem; }
.skills-group-title {
  display: flex; align-items: center; gap: 0.7rem; margin-bottom: 1rem;
  font-family: var(--font-sans); font-size: 0.78rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-primary);
}
.skills-group-title svg { width: 14px; height: 14px; color: var(--accent); }
.skills-chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.skill-chip {
  padding: 0.5rem 1rem; border-radius: var(--radius-full); font-size: 0.84rem; color: var(--text-secondary);
  background: var(--bg-surface); border: 1px solid var(--border-medium);
  transition: color var(--t-fast), border-color var(--t-fast), background-color var(--t-fast), transform var(--t-fast);
}
.skill-chip:hover { color: var(--accent); border-color: var(--border-accent); background: var(--accent-soft); transform: translateY(-2px); }

/* --------------------------------------------------------------------------
   İLETİŞİM & FORM
   -------------------------------------------------------------------------- */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.contact-info-panel { display: flex; flex-direction: column; gap: 0.4rem; }
.contact-item { display: flex; gap: 1.1rem; padding: 1.3rem 0; border-bottom: 1px solid var(--border-subtle); }
.contact-item:first-child { padding-top: 0; }
.contact-item-icon {
  flex: none; display: grid; place-items: center; width: 48px; height: 48px; border-radius: 50%;
  color: var(--accent); background: var(--accent-soft); border: 1px solid var(--border-accent);
}
.contact-item-icon svg { width: 20px; height: 20px; }
.contact-item-content h4 { font-family: var(--font-sans); font-size: 0.74rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 0.3rem; }
.contact-item-content p { color: var(--text-primary); overflow-wrap: anywhere; }
.contact-item-content .btn { margin-top: 0.8rem; }

.contact-form { display: flex; flex-direction: column; gap: 1.3rem; padding: clamp(1.6rem, 3vw, 2.6rem); background: var(--grad-surface); }
.form-group { display: flex; flex-direction: column; gap: 0.5rem; }
.form-group label { font-size: 0.74rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-secondary); }
.form-control {
  width: 100%; min-height: 48px; padding: 0.8rem 1rem; font: inherit; font-size: 1rem; color: var(--text-primary);
  background: var(--bg-primary); border: 1px solid var(--border-medium); border-radius: var(--radius-sm);
  transition: border-color var(--t-fast), box-shadow var(--t-fast), background-color var(--t-normal);
}
.form-control::placeholder { color: var(--text-muted); opacity: 0.85; }
.form-control:hover { border-color: var(--border-strong); }
.form-control:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
textarea.form-control { min-height: 140px; resize: vertical; }
select.form-control { appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%238a6428' stroke-width='1.6'%3E%3Cpath d='M1 1.5l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 1rem center; padding-right: 2.6rem; }

/* --------------------------------------------------------------------------
   ALT BİLGİ
   -------------------------------------------------------------------------- */
.site-footer { position: relative; padding: 3.5rem 0 3rem; border-top: 1px solid var(--border-subtle); background: var(--bg-secondary); }
.site-footer::before { content: ''; position: absolute; inset: 0 0 auto 0; height: 1px; background: var(--grad-hairline); }
.footer-inner { display: flex; justify-content: space-between; gap: 2rem; flex-wrap: wrap; align-items: flex-start; }
.footer-copy { font-size: 0.88rem; color: var(--text-muted); line-height: 1.8; }
.footer-copy .accent { color: var(--accent); font-weight: 600; }
.footer-links { display: flex; flex-wrap: wrap; gap: 0.4rem 1.6rem; }
.footer-links a { display: inline-flex; align-items: center; min-height: 44px; font-size: 0.86rem; color: var(--text-secondary); transition: color var(--t-fast); }
.footer-links a:hover { color: var(--accent); }

/* --------------------------------------------------------------------------
   BİLDİRİM (TOAST)
   -------------------------------------------------------------------------- */
.toast-container { position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: var(--z-toast); display: flex; flex-direction: column; gap: 0.6rem; max-width: calc(100vw - 2.5rem); }
.toast {
  display: flex; align-items: center; gap: 0.8rem; padding: 0.9rem 1.2rem; font-size: 0.9rem;
  color: var(--text-primary); background: var(--bg-elevated);
  border: 1px solid var(--border-accent); border-radius: var(--radius-md); box-shadow: var(--shadow-lg);
  animation: toast-in 0.5s var(--ease-out);
}
.toast svg { width: 18px; height: 18px; color: var(--accent); flex: none; }
@keyframes toast-in { from { opacity: 0; transform: translateY(16px) scale(0.96); } to { opacity: 1; transform: none; } }

/* --------------------------------------------------------------------------
   DUYARLI
   -------------------------------------------------------------------------- */
@media (max-width: 1100px) {
  .nav-links { display: none; }
  .menu-toggle { display: inline-flex; }
  .site-header.menu-open { background: var(--bg-primary); }
  .site-header.menu-open nav {
    position: fixed; inset: var(--header-h) 0 auto 0; padding: 1rem clamp(1rem, 4vw, 3rem) 1.6rem;
    background: var(--bg-primary); border-bottom: 1px solid var(--border-medium); box-shadow: var(--shadow-lg);
  }
  .site-header.menu-open .nav-links { display: flex; flex-direction: column; align-items: stretch; gap: 0; }
  .site-header.menu-open .nav-link { display: flex; width: 100%; padding: 0; min-height: 52px; border-bottom: 1px solid var(--border-subtle); font-size: 1rem; }
  .site-header.menu-open .nav-link::after { display: none; }
}
@media (max-width: 900px) {
  .hero-grid, .philosophy-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-section { min-height: auto; }
  .hero-stats-bar { grid-template-columns: repeat(2, 1fr); row-gap: 0.4rem; }
  .stat-item:nth-child(3) { padding-left: 0; border-left: 0; }
}
@media (max-width: 640px) {
  :root { --header-h: 68px; }
  .brand-info { display: none; }
  .header-actions .btn-pdf span { display: none; }
  .header-actions .btn-pdf { width: 48px; min-width: 48px; padding: 0; }
  .hero-actions .btn { flex: 1 1 100%; }
  .toast-container { left: 1rem; right: 1rem; bottom: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}