/* ==========================================================================
   ESRA AKMAN — PREMIUM MARKA VİTRİNİ
   Tasarım Dili: Minimal Luxury · Premium Corporate · Modern Editorial
   ========================================================================== */

/* ---------- 1. Design Tokens ---------- */
:root {
  --c-ivory: #F7F6F2;
  --c-ivory-2: #F1EEE7;
  --c-white: #FFFFFF;
  --c-charcoal: #17191C;
  --c-ink: #2B2E32;
  --c-grey: #6E7277;
  --c-grey-soft: #94989D;
  --c-gold: #B58B51;
  --c-gold-deep: #8F6B38;
  --c-gold-light: #D7B98C;

  --gold-gradient: linear-gradient(105deg, #D3B27E 0%, #B58B51 48%, #8F6B38 100%);
  --gold-gradient-soft: linear-gradient(180deg, rgba(181, 139, 81, 0.14), rgba(181, 139, 81, 0));

  --c-line: rgba(23, 25, 28, 0.10);
  --c-line-strong: rgba(23, 25, 28, 0.20);
  --c-line-light: rgba(247, 246, 242, 0.14);

  --font-serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --font-sans: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;

  --container: 1200px;
  --header-h: 80px;
  --header-h-scrolled: 64px;
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-pill: 100px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --shadow-sm: 0 1px 2px rgba(23, 25, 28, 0.04), 0 6px 20px rgba(23, 25, 28, 0.05);
  --shadow-md: 0 2px 6px rgba(23, 25, 28, 0.05), 0 20px 56px rgba(23, 25, 28, 0.10);
}

/* ---------- 2. Reset & Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 24px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--c-charcoal);
  background: var(--c-ivory);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

em {
  font-style: italic;
}

sup {
  font-size: 0.55em;
  color: var(--c-gold);
  vertical-align: super;
  margin-left: 2px;
}

::selection {
  background: rgba(181, 139, 81, 0.26);
}

/* ---------- 3. Layout Helpers ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 40px);
}

.section {
  padding-block: clamp(84px, 11vw, 150px);
}

/* ---------- 4. Typography ---------- */
h1,
h2,
h3 {
  font-family: var(--font-serif);
  font-weight: 500;
  color: var(--c-charcoal);
}

/* ---------- 5. Accessibility ---------- */
.skip-link {
  position: absolute;
  top: -64px;
  left: 16px;
  z-index: 300;
  padding: 12px 22px;
  background: var(--c-charcoal);
  color: var(--c-ivory);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: top 0.2s var(--ease);
}

.skip-link:focus {
  top: 12px;
}

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

/* ---------- 6. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 17px 36px;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: background-color 0.3s var(--ease), color 0.3s var(--ease),
    border-color 0.3s var(--ease), transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.btn .btn-arrow {
  transition: transform 0.3s var(--ease);
}

.btn-primary {
  background: var(--c-charcoal);
  color: var(--c-ivory);
  box-shadow: 0 1px 2px rgba(23, 25, 28, 0.12);
}

.btn-primary:hover {
  background: var(--c-gold-deep);
  box-shadow: 0 6px 22px rgba(143, 107, 56, 0.35);
  transform: translateY(-2px);
}

.btn-primary:hover .btn-arrow {
  transform: translateX(4px);
}

.btn-ghost {
  background: transparent;
  color: var(--c-charcoal);
  border-color: var(--c-line-strong);
}

.btn-ghost:hover {
  border-color: var(--c-charcoal);
  background: var(--c-charcoal);
  color: var(--c-ivory);
  transform: translateY(-2px);
}

/* Pill CTA (header) */
.btn-cta {
  padding: 12px 26px;
  font-size: 0.8125rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(181, 139, 81, 0.55);
  color: var(--c-charcoal);
  background: transparent;
}

.btn-cta:hover {
  background: var(--gold-gradient);
  border-color: transparent;
  color: #FFF;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(181, 139, 81, 0.35);
}

.btn-cta:hover .btn-arrow {
  transform: translateX(4px);
}

/* ---------- 7. Header / Navigation ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  background: rgba(247, 246, 242, 0.72);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  backdrop-filter: blur(18px) saturate(1.4);
  border-bottom: 1px solid transparent;
  transition: height 0.35s var(--ease), background-color 0.35s var(--ease),
    border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.site-header.is-scrolled {
  height: var(--header-h-scrolled);
  background: rgba(247, 246, 242, 0.9);
  border-bottom-color: var(--c-line);
  box-shadow: 0 8px 32px rgba(23, 25, 28, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 15px;
  min-width: 0;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  color: var(--c-gold);
  border: 1px solid var(--c-line-strong);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.6);
  transition: width 0.35s var(--ease), height 0.35s var(--ease),
    border-color 0.3s var(--ease);
}

.brand-mark svg {
  width: 28px;
  height: 28px;
}

.brand:hover .brand-mark {
  border-color: rgba(181, 139, 81, 0.6);
}

.is-scrolled .brand-mark {
  width: 40px;
  height: 40px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 0.015em;
  color: var(--c-charcoal);
  white-space: nowrap;
}

.brand-sub {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--c-grey);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-link {
  position: relative;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--c-ink);
  padding-block: 8px;
  transition: color 0.25s var(--ease);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 100%;
  height: 1px;
  background: var(--gold-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}

.nav-link:hover {
  color: var(--c-gold-deep);
}

.nav-link:hover::after,
.nav-link[aria-current="true"]::after {
  transform: scaleX(1);
}

.nav-link[aria-current="true"] {
  color: var(--c-charcoal);
}

/* Menu toggle (mobile) */
.menu-toggle {
  display: none;
  position: relative;
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
}

.menu-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-charcoal);
  border-radius: 1px;
  transition: transform 0.3s var(--ease), opacity 0.2s var(--ease);
}

/* ---------- 8. Hero ---------- */
.hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(56px, 9vh, 110px));
  padding-bottom: clamp(72px, 9vw, 120px);
  background:
    radial-gradient(52% 44% at 82% 6%, rgba(181, 139, 81, 0.07), transparent 70%),
    var(--c-ivory);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  gap: clamp(48px, 6vw, 96px);
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-size: 0.7188rem;
  font-weight: 600;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--c-grey);
  margin-bottom: 30px;
}

.eyebrow-rule {
  display: inline-block;
  width: 46px;
  height: 1px;
  background: var(--gold-gradient);
}

.hero-title {
  font-size: clamp(3rem, 5.6vw + 0.9rem, 5.625rem);
  font-weight: 500;
  line-height: 1.04;
  letter-spacing: -0.018em;
  margin-bottom: 30px;
}

.hero-line {
  display: block;
}

.hero-title em {
  font-style: italic;
  font-weight: 500;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.hero-lead {
  font-size: clamp(1rem, 0.35vw + 0.92rem, 1.125rem);
  line-height: 1.8;
  color: var(--c-ink);
  max-width: 54ch;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 54px;
}

/* Kavramsal değer kartları */
.hero-values {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}

.value-card {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 20px 18px 20px 0;
  border-left: 1px solid var(--c-line);
  transition: background-color 0.3s var(--ease);
}

.value-card:first-child {
  border-left: 0;
}

.value-card:hover {
  background: rgba(255, 255, 255, 0.55);
}

.value-index {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.875rem;
  color: var(--c-gold);
  padding-top: 1px;
}

.value-text {
  font-size: 0.8125rem;
  line-height: 1.45;
  color: var(--c-grey);
}

.value-text strong {
  display: block;
  font-weight: 600;
  font-size: 0.8125rem;
  color: var(--c-charcoal);
  letter-spacing: 0.01em;
}

/* Hero visual — premium panel */
.hero-visual {
  position: relative;
}

.hero-panel {
  position: relative;
  aspect-ratio: 560 / 620;
  border-radius: var(--radius-lg);
  background: var(--c-white);
  border: 1px solid var(--c-line);
  box-shadow: var(--shadow-md);
  overflow: visible;
}

.hero-art {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.art-frame {
  fill: var(--c-white);
  stroke: var(--c-line);
  stroke-width: 2;
}

.art-grid line {
  stroke: rgba(23, 25, 28, 0.05);
  stroke-width: 1;
}

.art-bars rect {
  fill: rgba(23, 25, 28, 0.045);
}

.art-chart-ghost {
  stroke: rgba(23, 25, 28, 0.14);
  stroke-width: 1.5;
  fill: none;
  stroke-dasharray: 3 6;
  stroke-linecap: round;
}

.art-chart-line {
  stroke: var(--c-gold);
  stroke-width: 2.5;
  fill: none;
  stroke-linecap: round;
}

.art-chart-fill {
  fill: url(#heroFill);
}

.art-points circle {
  fill: var(--c-white);
  stroke: var(--c-gold);
  stroke-width: 2;
}

.art-pulse {
  fill: none;
  stroke: rgba(181, 139, 81, 0.45);
  stroke-width: 1.5;
  transform-origin: 504px 120px;
  animation: pulse 3.2s var(--ease) infinite;
}

@keyframes pulse {
  0%   { transform: scale(0.6); opacity: 0.9; }
  70%  { transform: scale(1.6); opacity: 0; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* Cam chip'ler */
.hero-chip {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.82);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(23, 25, 28, 0.09);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  animation: chip-float 7s var(--ease) infinite alternate;
}

.hero-chip-a {
  top: 34px;
  left: -26px;
}

.hero-chip-b {
  bottom: 88px;
  right: -22px;
  animation-delay: -3.5s;
}

.hero-chip-c {
  bottom: 24px;
  left: -34px;
  animation-delay: -1.8s;
}

@keyframes chip-float {
  from { transform: translateY(0); }
  to   { transform: translateY(-10px); }
}

.chip-label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-ink);
  white-space: nowrap;
}

.hero-chip svg {
  height: 30px;
  width: auto;
}

.hero-chip-a rect {
  fill: rgba(181, 139, 81, 0.16);
}

.hero-chip-b .chip-spark {
  stroke: var(--c-gold);
  stroke-width: 1.8;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.hero-chip-b circle {
  fill: var(--c-gold);
}

.chip-monogram {
  color: var(--c-gold);
}

.chip-monogram svg {
  width: 26px;
  height: 26px;
}

.chip-text {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.9375rem;
  line-height: 1.3;
  color: var(--c-charcoal);
  white-space: nowrap;
}

/* Scroll cue */
.hero-scroll-cue {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin: 64px auto 0;
  width: fit-content;
  color: var(--c-grey);
  transition: color 0.3s var(--ease);
}

.hero-scroll-cue:hover {
  color: var(--c-gold-deep);
}

.cue-line {
  position: relative;
  display: block;
  width: 1px;
  height: 44px;
  background: var(--c-line-strong);
  overflow: hidden;
}

.cue-line::after {
  content: "";
  position: absolute;
  left: 0;
  top: -40%;
  width: 100%;
  height: 40%;
  background: var(--c-gold);
  animation: cue-drop 2.4s var(--ease) infinite;
}

@keyframes cue-drop {
  from { top: -40%; }
  to   { top: 110%; }
}

.cue-label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.26em;
  text-transform: uppercase;
}

/* ---------- 9. Section Head ---------- */
.section-head {
  display: flex;
  align-items: baseline;
  gap: 22px;
  margin-bottom: clamp(48px, 6vw, 80px);
}

.section-index {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1rem;
  color: var(--c-gold);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-index::before {
  content: "";
  display: inline-block;
  width: 36px;
  height: 1px;
  background: var(--gold-gradient);
}

.section-title {
  font-size: clamp(2.2rem, 3.4vw + 0.6rem, 3.5rem);
  font-weight: 500;
  letter-spacing: -0.012em;
  line-height: 1.08;
}

.section-head-split {
  justify-content: space-between;
  gap: 32px;
  align-items: flex-end;
}

.section-head-left {
  display: flex;
  align-items: baseline;
  gap: 22px;
}

.section-head-note {
  font-size: 0.9375rem;
  color: var(--c-grey);
  max-width: 34ch;
  text-align: right;
  padding-bottom: 8px;
}

.section-head-center {
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 18px;
}

.section-head-center .section-index::before {
  display: none;
}

.section-sub {
  max-width: 52ch;
  color: var(--c-ink);
}

/* ---------- 10. Hakkında ---------- */
.about {
  background: var(--c-white);
  border-block: 1px solid var(--c-line);
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(48px, 7vw, 110px);
  align-items: start;
}

.about-aside {
  position: sticky;
  top: calc(var(--header-h) + 40px);
}

.about-aside .section-head {
  margin-bottom: 28px;
}

.about-lead {
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 2.1vw + 0.6rem, 2.5rem);
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--c-charcoal);
  margin-bottom: 44px;
}

.about-lead em {
  color: var(--c-gold-deep);
}

.about-signature {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 24px;
  border-top: 1px solid var(--c-line);
}

.signature-name {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.75rem;
  color: var(--c-charcoal);
}

.signature-title {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-grey);
}

.about-body p {
  color: var(--c-ink);
  margin-bottom: 22px;
  max-width: 60ch;
  font-size: 1.0313rem;
}

.about-body strong {
  color: var(--c-charcoal);
  font-weight: 600;
}

.about-principles {
  margin-top: 40px;
  border-top: 1px solid var(--c-line);
}

.about-principles li {
  display: flex;
  gap: 22px;
  padding-block: 22px;
  border-bottom: 1px solid var(--c-line);
  font-size: 0.9375rem;
  color: var(--c-grey);
  transition: padding-left 0.3s var(--ease), background-color 0.3s var(--ease);
}

.about-principles li:hover {
  padding-left: 8px;
  background: linear-gradient(90deg, rgba(181, 139, 81, 0.05), transparent 70%);
}

.about-principles strong {
  display: block;
  font-weight: 600;
  color: var(--c-charcoal);
  margin-bottom: 2px;
  font-size: 0.9688rem;
}

.principle-num {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.0625rem;
  color: var(--c-gold);
  padding-top: 1px;
  min-width: 32px;
}

/* ---------- 11. Uzmanlık ---------- */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.expertise-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 38px 28px 34px;
  overflow: hidden;
  transition: border-color 0.35s var(--ease), transform 0.35s var(--ease),
    box-shadow 0.35s var(--ease);
}

.expertise-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gold-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s var(--ease);
}

.expertise-card:hover {
  border-color: rgba(181, 139, 81, 0.45);
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.expertise-card:hover::before {
  transform: scaleX(1);
}

.expertise-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  border-radius: 14px;
  background: var(--c-ivory);
  border: 1px solid var(--c-line);
  color: var(--c-gold);
  margin-bottom: 12px;
  transition: background-color 0.35s var(--ease), color 0.35s var(--ease),
    border-color 0.35s var(--ease);
}

.expertise-icon svg {
  width: 30px;
  height: 30px;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: square;
  stroke-linejoin: miter;
}

.expertise-card:hover .expertise-icon {
  background: var(--gold-gradient);
  border-color: transparent;
  color: #FFF;
}

.expertise-index {
  position: absolute;
  top: 26px;
  right: 26px;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.375rem;
  color: rgba(23, 25, 28, 0.16);
}

.expertise-card h3 {
  font-size: 1.4375rem;
  line-height: 1.25;
  padding-right: 30px;
}

.expertise-tag {
  font-size: 0.6563rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-gold-deep);
}

.expertise-card p:last-child {
  font-size: 0.9063rem;
  line-height: 1.7;
  color: var(--c-grey);
  margin-top: 4px;
}

/* ---------- 12. Girişimler ---------- */
.ventures {
  background: var(--c-ivory);
}

.ventures-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  align-items: stretch;
}

.venture-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: clamp(32px, 4vw, 52px);
  overflow: hidden;
  transition: border-color 0.35s var(--ease), transform 0.35s var(--ease),
    box-shadow 0.35s var(--ease);
}

.venture-card:hover {
  border-color: rgba(181, 139, 81, 0.45);
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.venture-card-dark {
  background: var(--c-charcoal);
  border-color: var(--c-charcoal);
}

.venture-card-dark::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(58% 42% at 88% 0%, rgba(181, 139, 81, 0.16), transparent 70%);
  pointer-events: none;
}

.venture-card-dark:hover {
  border-color: rgba(181, 139, 81, 0.6);
}

.venture-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 30px;
}

.venture-index {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--c-gold);
  font-size: 1rem;
}

.venture-badge {
  font-size: 0.6563rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 8px 16px;
  border: 1px solid var(--c-line-strong);
  border-radius: var(--radius-pill);
  color: var(--c-ink);
  background: rgba(255, 255, 255, 0.5);
}

.venture-card-dark .venture-badge {
  border-color: rgba(215, 185, 140, 0.45);
  color: var(--c-gold-light);
  background: transparent;
}

.venture-title {
  font-size: clamp(2.1rem, 2.8vw, 2.9rem);
  margin-bottom: 4px;
}

.venture-card-dark .venture-title {
  color: var(--c-ivory);
}

.venture-sub {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-gold-deep);
  margin-bottom: 20px;
}

.venture-card-dark .venture-sub {
  color: var(--c-gold-light);
}

.venture-desc {
  color: var(--c-ink);
  max-width: 50ch;
  margin-bottom: 30px;
  font-size: 0.9688rem;
}

.venture-card-dark .venture-desc {
  color: rgba(247, 246, 242, 0.75);
}

/* Ürün mockup'ı */
.venture-mockup {
  margin-top: auto;
  margin-bottom: 30px;
  background: var(--c-ivory);
  border: 1px solid var(--c-line);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.venture-card:hover .venture-mockup {
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.mockup-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--c-line);
}

.mockup-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(23, 25, 28, 0.14);
}

.mockup-dot:first-child {
  background: rgba(181, 139, 81, 0.55);
}

.mockup-url {
  margin-left: auto;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--c-grey);
}

.mockup-body {
  display: flex;
  align-items: stretch;
  gap: 16px;
  padding: 18px 16px 14px;
}

.mockup-rows {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 0 0 30%;
}

.mockup-row {
  height: 8px;
  border-radius: 3px;
  background: rgba(23, 25, 28, 0.08);
}

.mockup-row-short {
  width: 65%;
}

.mockup-chart {
  flex: 1;
  min-width: 0;
  border-left: 1px solid var(--c-line);
  padding-left: 16px;
}

.mockup-chart svg {
  width: 100%;
  height: 64px;
}

.mockup-chart polyline {
  stroke: var(--c-gold);
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.mockup-chart circle {
  fill: var(--c-gold);
}

/* Neural art (SKORA) */
.venture-neural {
  margin-top: auto;
  margin-bottom: 28px;
  border: 1px solid rgba(247, 246, 242, 0.1);
  border-radius: 12px;
  background: rgba(247, 246, 242, 0.03);
  padding: 12px;
}

.venture-neural svg {
  width: 100%;
  height: auto;
}

.venture-neural line {
  stroke: rgba(247, 246, 242, 0.16);
  stroke-width: 1;
}

.venture-neural circle {
  fill: var(--c-charcoal);
  stroke: var(--c-gold-light);
  stroke-width: 1.4;
}

.venture-link {
  margin-top: 0;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--c-charcoal);
  border: 1px solid var(--c-line-strong);
  border-radius: var(--radius-pill);
  padding: 13px 26px;
  align-self: flex-start;
  transition: background-color 0.3s var(--ease), color 0.3s var(--ease),
    border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.venture-link:hover {
  background: var(--c-charcoal);
  border-color: var(--c-charcoal);
  color: var(--c-ivory);
  transform: translateY(-2px);
}

.venture-link:hover .btn-arrow {
  transform: translateX(4px);
}

.venture-link .btn-arrow {
  transition: transform 0.3s var(--ease);
}

.venture-note {
  padding-top: 22px;
  border-top: 1px solid rgba(247, 246, 242, 0.12);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.1563rem;
  color: var(--c-gold-light);
}

/* ---------- 13. Vizyon ---------- */
.vision {
  background:
    radial-gradient(46% 40% at 50% 0%, rgba(181, 139, 81, 0.12), transparent 72%),
    var(--c-charcoal);
  color: var(--c-ivory);
  text-align: center;
}

.vision-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(32px, 4vw, 48px);
}

.vision-label {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--c-gold-light);
}

.vision-label span {
  display: inline-block;
  width: 42px;
  height: 1px;
  background: var(--gold-gradient);
}

.vision-quote {
  max-width: 22ch;
}

.vision-heading {
  font-size: clamp(2.3rem, 4.6vw + 0.5rem, 4.3rem);
  font-weight: 500;
  line-height: 1.16;
  letter-spacing: -0.012em;
  color: var(--c-ivory);
}

.vision-heading em {
  font-style: italic;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.vision-body {
  max-width: 58ch;
  color: rgba(247, 246, 242, 0.72);
  font-size: 1.0625rem;
}

/* ---------- 14. İletişim ---------- */
.contact {
  background: var(--c-white);
  border-top: 1px solid var(--c-line);
}

.contact-card-shell {
  background: var(--c-ivory);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: clamp(28px, 4vw, 52px);
  transition: box-shadow 0.4s var(--ease), border-color 0.4s var(--ease);
}

.contact-card-shell:hover {
  border-color: rgba(181, 139, 81, 0.35);
  box-shadow: var(--shadow-md);
}

.contact-brand {
  display: flex;
  align-items: center;
  gap: 22px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--c-line);
  margin-bottom: 6px;
}

.brand-mark-frame {
  background: var(--c-white);
}

.contact-brand-name {
  font-family: var(--font-serif);
  font-size: 1.6875rem;
  font-weight: 600;
  color: var(--c-charcoal);
  margin-bottom: 2px;
}

.contact-brand-titles {
  font-size: 0.8125rem;
  color: var(--c-grey);
}

.contact-row {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-block: 22px;
  border-bottom: 1px solid var(--c-line);
  transition: padding-left 0.3s var(--ease);
}

.contact-row:hover {
  padding-left: 10px;
}

.contact-row-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: 12px;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  color: var(--c-gold);
}

.contact-row-icon svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: square;
  stroke-linejoin: miter;
}

.contact-row-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.contact-label {
  font-size: 0.6563rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-grey);
}

.contact-value {
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 1.8vw, 1.625rem);
  font-weight: 600;
  color: var(--c-charcoal);
  word-break: break-word;
}

.contact-row-arrow {
  margin-left: auto;
  color: var(--c-grey-soft);
  transition: transform 0.3s var(--ease), color 0.3s var(--ease);
}

.contact-row:hover .contact-row-arrow {
  color: var(--c-gold-deep);
  transform: translateX(6px);
}

.contact-sites {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px 30px;
  padding-top: 26px;
}

.contact-sites-label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-grey);
}

.contact-sites-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
}

.contact-sites-list a {
  font-size: 0.9063rem;
  font-weight: 500;
  color: var(--c-charcoal);
  border-bottom: 1px solid var(--c-line-strong);
  padding-bottom: 2px;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.contact-sites-list a:hover {
  color: var(--c-gold-deep);
  border-color: var(--c-gold);
}

/* ---------- 15. Footer ---------- */
.site-footer {
  position: relative;
  background: var(--c-charcoal);
  color: var(--c-ivory);
  padding-top: clamp(64px, 8vw, 100px);
  overflow: hidden;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.6fr) minmax(0, 0.75fr) minmax(0, 0.7fr);
  gap: clamp(36px, 5vw, 64px);
  padding-bottom: clamp(52px, 7vw, 76px);
}

.footer-brand {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.footer-brand .brand-mark {
  border-color: rgba(247, 246, 242, 0.18);
  background: rgba(247, 246, 242, 0.04);
}

.footer-name {
  font-family: var(--font-serif);
  font-size: 1.625rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.footer-titles {
  font-size: 0.8125rem;
  line-height: 1.7;
  color: rgba(247, 246, 242, 0.6);
}

.footer-col-title {
  font-size: 0.6563rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-gold-light);
  margin-bottom: 18px;
}

.footer-nav ul,
.footer-contact ul,
.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-nav a,
.footer-contact a,
.footer-links a {
  font-size: 0.9063rem;
  color: rgba(247, 246, 242, 0.72);
  transition: color 0.25s var(--ease);
}

.footer-nav a:hover,
.footer-contact a:hover,
.footer-links a:hover {
  color: var(--c-gold-light);
}

.footer-bottom {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 24px;
  padding-block: 24px;
  border-top: 1px solid var(--c-line-light);
  font-size: 0.8125rem;
  color: rgba(247, 246, 242, 0.5);
}

.footer-watermark {
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 340px;
  height: 340px;
  color: rgba(247, 246, 242, 0.035);
  pointer-events: none;
}

/* ---------- 16. Reveal Animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  transition-delay: var(--reveal-delay, 0s);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 17. Responsive ---------- */
@media (max-width: 1120px) {
  .expertise-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 64px;
  }

  .hero-visual {
    max-width: 520px;
  }

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

  .value-card:nth-child(3) {
    border-left: 0;
    border-top: 1px solid var(--c-line);
  }

  .value-card:nth-child(4) {
    border-top: 1px solid var(--c-line);
  }

  .about-aside {
    position: static;
  }
}

@media (max-width: 900px) {
  .ventures-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --header-h: 64px;
    --header-h-scrolled: 60px;
  }

  /* Mobile navigation */
  .menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px 20px 30px;
    background: rgba(247, 246, 242, 0.96);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--c-line);
    box-shadow: var(--shadow-sm);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0.25s;
  }

  .site-nav.is-open {
    transform: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-link {
    display: block;
    padding: 16px 4px;
    font-size: 1.0625rem;
    border-bottom: 1px solid var(--c-line);
  }

  .nav-link::after {
    display: none;
  }

  .nav-cta {
    margin-top: 22px;
    width: 100%;
    padding: 15px 26px;
    font-size: 0.9375rem;
  }

  .menu-toggle[aria-expanded="true"] .menu-toggle-bar:first-child {
    transform: translateY(4px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] .menu-toggle-bar:last-child {
    transform: translateY(-4px) rotate(-45deg);
  }

  /* Layout */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .section-head-split {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .section-head-note {
    text-align: left;
    padding-bottom: 0;
  }

  .contact-brand {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px 24px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .hero-chip-a {
    left: 8px;
  }

  .hero-chip-b {
    right: 8px;
  }

  .hero-chip-c {
    left: 8px;
  }
}

@media (max-width: 560px) {
  .expertise-grid {
    grid-template-columns: 1fr;
  }

  .brand-sub {
    display: none;
  }

  .brand-mark {
    width: 42px;
    height: 42px;
  }

  .is-scrolled .brand-mark {
    width: 38px;
    height: 38px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-values {
    grid-template-columns: 1fr;
  }

  .value-card {
    border-left: 0;
    border-top: 1px solid var(--c-line);
  }

  .value-card:first-child {
    border-top: 0;
  }

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

  .hero-chip {
    padding: 11px 14px;
    gap: 10px;
  }

  .hero-chip-a {
    top: 18px;
  }

  .hero-chip-b {
    bottom: 64px;
  }

  .hero-chip-c {
    bottom: 10px;
  }

  .chip-label {
    font-size: 0.625rem;
  }
}

/* ---------- 18. Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}