/* ---------- Temel değişkenler ---------- */

:root {
    --bg-dark: #020617;
    --bg-dark-elevated: #020617;
    --bg-panel: #020617;
    --surface: #020617;
    --surface-alt: #020617;
    --border-subtle: #1f2937;

    --bg-light: #f9fafb;
    --surface-light: #ffffff;
    --border-light: #e5e7eb;

    --text-main: #e5e7eb;
    --text-soft: #9ca3af;
    --text-strong: #f9fafb;

    --accent: #facc15;
    --accent-soft: rgba(250, 204, 21, 0.14);

    --radius-lg: 18px;
    --radius-md: 14px;
    --radius-pill: 999px;

    --shadow-soft: 0 22px 60px rgba(15, 23, 42, 0.65);
}

/* ---------- Genel ---------- */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    min-height: 100vh;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
        "Segoe UI", sans-serif;
    line-height: 1.6;
    background: radial-gradient(circle at top left, #0b1120, #020617 50%, #000 90%);
    color: var(--text-main);
}

/* Tema varyasyonları */

body.theme-dark {
    background: radial-gradient(circle at top left, #0b1120, #020617 55%, #000 100%);
    color: var(--text-main);
}

body.theme-light {
    background: #f3f4f6;
    color: #111827;
}

body.theme-light .site-header {
    background: rgba(249, 250, 251, 0.85);
    border-bottom: 1px solid var(--border-light);
}

body.theme-light .card,
body.theme-light .contact-card {
    background: var(--surface-light);
    border-color: var(--border-light);
}

body.theme-light .hero-card {
    background: #fefce8;
}

body.theme-light .btn-primary {
    color: #111827;
}

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

a:hover {
    color: var(--accent);
}

/* ---------- Layout ---------- */

.container {
    width: min(1120px, 100% - 40px);
    margin-inline: auto;
}

.section {
    padding: 72px 0;
}

.section-tight {
    padding: 48px 0 64px;
}

.section-muted {
    padding: 64px 0 80px;
    background: radial-gradient(circle at top, rgba(248, 250, 252, 0.04), transparent 60%);
}

.section-title {
    font-size: 24px;
    margin: 0 0 8px;
}

.section-lead {
    max-width: 640px;
    margin: 0 0 32px;
    color: var(--text-soft);
}

/* ---------- Header ---------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(14px);
    background: linear-gradient(to right, rgba(15, 23, 42, 0.96), rgba(15, 23, 42, 0.9));
    border-bottom: 1px solid rgba(148, 163, 184, 0.25);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
}

/* Logo */

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-size: 13px;
}

.logo-mark {
    width: 26px;
    height: 26px;
    border-radius: 999px;
    background:
        radial-gradient(circle at 30% 20%, #facc15, transparent 55%),
        radial-gradient(circle at 70% 80%, #22c55e, transparent 55%),
        radial-gradient(circle at 10% 90%, #38bdf8, transparent 45%);
    box-shadow: 0 0 0 1px rgba(148, 163, 184, 0.6), 0 14px 30px rgba(15, 23, 42, 0.9);
}

.logo-text {
    color: var(--text-strong);
}

.logo-tagline {
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
    font-size: 11px;
    color: var(--text-soft);
}

/* Nav */

.main-nav {
    display: flex;
    align-items: center;
    gap: 18px;
    font-size: 14px;
}

.nav-link {
    padding: 6px 10px;
    border-radius: 999px;
    color: var(--text-soft);
    transition: background 0.18s ease, color 0.18s ease;
}

.nav-link:hover {
    color: var(--text-main);
    background: rgba(148, 163, 184, 0.16);
}

.nav-link.active {
    color: #020617;
    background: #facc15;
}

/* Tema butonu */

.theme-toggle {
    border: none;
    border-radius: var(--radius-pill);
    padding: 6px 12px;
    font-size: 13px;
    cursor: pointer;
    background: rgba(15, 23, 42, 0.9);
    color: var(--text-soft);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 0 0 1px rgba(148, 163, 184, 0.45);
}

.theme-toggle:hover {
    color: var(--accent);
    box-shadow: 0 0 0 1px rgba(250, 204, 21, 0.65);
}

/* ---------- Hero ---------- */

.hero {
    padding: 72px 0 64px;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.2fr);
    gap: 40px;
    align-items: flex-start;
}

.eyebrow {
    font-size: 12px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 12px;
}

.hero-title {
    font-size: clamp(32px, 4vw, 40px);
    line-height: 1.15;
    margin: 0 0 16px;
    color: var(--text-strong);
}

.hero-lead {
    margin: 0 0 24px;
    color: var(--text-soft);
    max-width: 580px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
}

.hero-footnote {
    font-size: 13px;
    color: var(--text-soft);
}

/* Hero sağ panel */

.hero-panel {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.hero-pill {
    align-self: flex-end;
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: #16a34a;
    background: radial-gradient(circle at left, rgba(34, 197, 94, 0.35), transparent 55%);
    border: 1px solid rgba(34, 197, 94, 0.28);
}

.hero-card {
    padding: 20px 18px 18px;
    border-radius: var(--radius-lg);
    background: radial-gradient(circle at top left, rgba(250, 204, 21, 0.1), #020617);
    border: 1px solid rgba(148, 163, 184, 0.35);
    box-shadow: var(--shadow-soft);
    font-size: 14px;
}

.hero-card h3 {
    margin: 0 0 10px;
    font-size: 15px;
}

.hero-card p {
    margin: 0 0 8px;
}

.hero-card ul {
    padding-left: 18px;
    margin: 0 0 8px;
}

.hero-card-outcome {
    margin: 6px 0 0;
    font-size: 13px;
    color: var(--text-soft);
}

/* ---------- Buttons ---------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 18px;
    border-radius: var(--radius-pill);
    font-size: 14px;
    font-weight: 500;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease,
        transform 0.06s ease-out;
}

.btn-primary {
    background: var(--accent);
    color: #111827;
    box-shadow: 0 18px 40px rgba(250, 204, 21, 0.45);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 40px rgba(250, 204, 21, 0.65);
}

.btn-outline {
    border-color: rgba(148, 163, 184, 0.6);
    background: transparent;
    color: var(--text-main);
}

.btn-outline:hover {
    border-color: var(--accent);
    background: rgba(250, 204, 21, 0.08);
}

.btn-secondary {
    background: rgba(15, 23, 42, 0.9);
    border-color: rgba(148, 163, 184, 0.6);
    color: var(--text-main);
}

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

/* ---------- Cards & Grid ---------- */

.grid {
    display: grid;
    gap: 20px;
}

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

.card {
    border-radius: var(--radius-md);
    border: 1px solid rgba(148, 163, 184, 0.4);
    background: var(--surface);
    padding: 18px 16px 16px;
    box-shadow: var(--shadow-soft);
    font-size: 14px;
}

.card h3,
.card h4 {
    margin: 0 0 8px;
}

.card p {
    margin: 0 0 8px;
}

.card ul {
    padding-left: 18px;
    margin: 0;
}

.card.mini {
    background: rgba(15, 23, 42, 0.9);
}

/* Layer cards */

.layer-card {
    position: relative;
    overflow: hidden;
}

.layer-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top left, rgba(250, 204, 21, 0.25), transparent 55%);
    opacity: 0;
    transition: opacity 0.2s ease-out;
    pointer-events: none;
}

.layer-card:hover::before {
    opacity: 1;
}

/* ---------- Sayfa başlıkları ---------- */

.page-hero {
    padding: 56px 0 24px;
}

.page-title {
    font-size: 28px;
    margin: 6px 0 10px;
}

.page-lead {
    max-width: 680px;
    margin: 0 0 22px;
    color: var(--text-soft);
}

/* ---------- İletişim ---------- */

.contact-layout {
    display: flex;
    justify-content: space-between;
}

.contact-text {
    max-width: 560px;
}

.contact-card {
    margin-top: 24px;
    padding: 18px 18px 16px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(148, 163, 184, 0.45);
    background: rgba(15, 23, 42, 0.9);
    box-shadow: var(--shadow-soft);
}

.contact-card h2 {
    margin: 0 0 6px;
    font-size: 18px;
}

.contact-card a {
    color: var(--accent);
}

/* ---------- Footer ---------- */

.site-footer {
    padding: 24px 0 26px;
    border-top: 1px solid rgba(148, 163, 184, 0.25);
    margin-top: 32px;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.96), transparent);
}

.footer-inner {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-soft);
}

.footer-note {
    opacity: 0.9;
}

/* ---------- Yardımcı ---------- */

.muted {
    color: var(--text-soft);
}

/* ---------- Responsive ---------- */

@media (max-width: 880px) {
    .hero-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .hero-panel {
        max-width: 420px;
        margin-top: 12px;
    }

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

    .main-nav {
        display: none;
    }
}
/* Solutions Page Premium Styling */

.hero {
    text-align: center;
    padding: 80px 20px;
    background: linear-gradient(to right, #0f0f33, #08101d);
    color: #fff;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    padding: 40px 10%;
}

.solution-box {
    background: rgba(255,255,255,0.06);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.08);
    backdrop-filter: blur(6px);
    transition: 0.35s ease;
}

.solution-box:hover {
    transform: translateY(-6px);
    border-color: #ffea00;
    box-shadow: 0 0 20px rgba(255,234,0,0.15);
}

.cta-section {
    text-align: center;
    padding: 70px 20px;
    background: #0a0f1c;
    color: #fff;
}

.cta-button {
    display: inline-block;
    margin-top: 20px;
    background: #ffea00;
    padding: 12px 30px;
    font-weight: bold;
    border-radius: 6px;
    transition: 0.25s;
}

.cta-button:hover {
    background: #fff200;
}
.glass-box {
    backdrop-filter: blur(12px);
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 14px;
    padding: 22px 26px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.25);
}
.main-nav a {
    padding: 8px 14px;
    border-radius: 6px;
    transition: 0.25s ease;
}

.main-nav a:hover {
    background: rgba(255,255,255,0.08);
}

.main-nav .active {
    background: #FFD600;
    color: #000;
}
.vision-section {
    padding: 60px 0;
    line-height: 1.65;
}

.vision-section h2 {
    margin-bottom: 24px;
}

.vision-section p, 
.vision-section li {
    margin-bottom: 12px;
    opacity: 0.92;
}
.site-footer {
    text-align: center;
    opacity: 0.65;
    padding: 40px 0;
    margin-top: 60px;
    font-size: 14px;
}
/* ULTRA HERO */
.ultra-hero {
  padding: 140px 0 120px;
  background: radial-gradient(circle at 30% 20%, rgba(255,255,255,0.10), rgba(0,0,0,0)) ,
              linear-gradient(180deg, #0b1022 0%, #05070f 100%);
  position: relative;
}

.ultra-hero .highlight {
  color: #ffd86b;
  text-shadow: 0 0 18px rgba(255, 208, 0, 0.55);
}

.signal-orb {
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,208,0,0.25), rgba(255,208,0,0));
  filter: blur(40px);
  animation: pulse 5s ease-in-out infinite;
  margin: auto;
  opacity: 0.85;
}

@keyframes pulse {
  0% { transform: scale(0.9); opacity: 0.75; }
  50% { transform: scale(1.1); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.75; }
}

.glow-btn {
  box-shadow: 0 0 12px rgba(255,208,0,0.45);
  transition: 0.2s;
}

.glow-btn:hover {
  box-shadow: 0 0 22px rgba(255,208,0,0.75);
    }
/* Use Case Section */
.use-cases {
    padding: 80px 0;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 40px;
}

.use-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.use-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 16px;
    padding: 28px;
    backdrop-filter: blur(8px);
    transition: all 0.25s ease;
}

.use-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.use-card p {
    opacity: 0.8;
    line-height: 1.5;
}

.use-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255,255,255,0.15);
    background: rgba(255,255,255,0.07);
}
/* ------------------------------
   HERO PREMIUM ANIMATIONS
--------------------------------*/

.hero {
    opacity: 0;
    transform: translateY(20px);
    animation: heroFade 1.4s ease forwards;
}

@keyframes heroFade {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Yellow Glow Orb Animation */
.hero-orb {
    position: absolute;
    top: 20%;
    right: 12%;
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, rgba(255,230,120,0.45) 0%, rgba(0,0,0,0) 70%);
    filter: blur(50px);
    border-radius: 50%;
    animation: orbPulse 6s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes orbPulse {
    0% { transform: scale(1); opacity: 0.55; }
    50% { transform: scale(1.15); opacity: 0.75; }
    100% { transform: scale(1); opacity: 0.55; }
}

/* Button Hover Glow */
.btn-primary, .btn-outline {
    transition: 0.35s ease;
}

.btn-primary:hover {
    box-shadow: 0 0 22px rgba(255,240,60,0.9);
    transform: translateY(-2px);
}

.btn-outline:hover {
    box-shadow: 0 0 16px rgba(255,255,255,0.45);
    transform: translateY(-2px);
}
.hero-title {
    letter-spacing: -0.5px;
    line-height: 1.18;
    font-weight: 800;
}

.hero-lead {
    opacity: 0.9;
    font-size: 1.15rem;
}
.feature-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border-radius: 18px;
    padding: 24px;
    transition: all 0.25s ease;
    box-shadow: 0 0 0px rgba(255,255,255,0.0);
}

.feature-card:hover {
    border-color: rgba(255, 255, 255, 0.22);
    box-shadow: 0 0 22px rgba(255, 255, 255, 0.10);
    transform: translateY(-4px);
}
.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: 0.4px;
}
.feature-card p {
    opacity: 0.85;
    line-height: 1.55;
}
.use-cards {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.use-card {
    padding: 20px;
    border-radius: 16px;
}
.hero-title {
    font-size: clamp(1.8rem, 5vw, 2.4rem);
}
/* === MOBILE FIXES === */

/* Hero başlığı mobilde daha iyi hizalansın */
.hero-title {
    font-size: 2.1rem;
    line-height: 2.6rem;
    text-align: center;
}

/* Hero lead metin */
.hero-lead {
    font-size: 1rem;
    text-align: center;
    padding: 0 12px;
}

/* Buttons mobil hizalama */
.hero-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
}

/* Sinyal orb mobil optimize */
.signal-orb {
    width: 260px;
    height: 260px;
    right: -40px;
    top: -40px;
}

/* === “Nerede kullanılır?” bölümünün mobil düzeni === */

.use-cases .container {
    padding: 0 16px;
}

.use-cards {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.use-card {
    width: 100%;
    padding: 20px;
    border-radius: 18px;
}

/* Başlıklar çok büyük görünmesin */
.section-title {
    font-size: 1.6rem;
    text-align: center;
}

/* Tekrarlayan kart sorununu engelleme */
.feature-card {
    display: none; /* zaten alt kartlarda içerik var, bunu gizle */
}

@media (min-width: 768px) {
    .feature-card {
        display: block; /* tablet ve üzeri tekrar görünecek */
    }
}
.use-cards {
  display: grid;
  gap: 1.25rem;
}

@media(max-width: 600px) {
  .use-cards {
    grid-template-columns: 1fr; /* Mobilde tek sütun */
  }

  .use-card {
    padding: 1.25rem 1rem;
  }

  .section-title {
    margin-bottom: 1.5rem;
  }
}
@media (max-width: 600px) {
    .hero {
        padding-top: 40px !important;
    }
    .hero-title {
        font-size: 32px !important;
        line-height: 1.2 !important;
    }
    .hero-lead {
        font-size: 16px !important;
    }
}
header.site-header {
    margin-bottom: 0 !important;
}

.hero {
    margin-top: 0 !important;
}
@media (max-width: 600px) {
    .use-card {
        margin-bottom: 20px !important;
        padding: 20px !important;
    }
}
/* Mobil spacing fix */
@media (max-width: 768px) {
    .hero {
        padding-bottom: 4rem; /* Hero altını açar */
    }

    .use-cases {
        padding-top: 3rem !important; /* “Nerede kullanılır?” yukarı sıkışmasın */
    }

    .use-cases .section-title {
        margin-top: 1rem;
        margin-bottom: 2rem; /* Başlık ile kartlar arasını dengeler */
    }
}
.doc-cards {
  padding: 60px 0;
}
.doc-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 24px;
  border-radius: 14px;
  margin-bottom: 20px;
}
.doc-card h3 {
  margin-bottom: 10px;
}
.doc-coming {
  padding: 40px 0 80px;
  opacity: 0.8;
}
.about-section {
  padding: 80px 20px;
  color: #fff;
}

.about-section .section-title {
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 20px;
}

.about-section .section-subtitle {
  font-size: 20px;
  opacity: 0.8;
  margin-bottom: 40px;
  max-width: 700px;
}

.about-content {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.about-block h2 {
  font-size: 28px;
  margin-bottom: 10px;
  font-weight: 600;
}

.about-block p,
.about-block ul {
  font-size: 18px;
  opacity: 0.85;
  line-height: 1.6;
}

.about-block ul {
  list-style: disc inside;
}

/* Mobil */
@media (max-width: 768px) {
  .about-section .section-title {
    font-size: 34px;
  }
  .about-block h2 {
    font-size: 24px;
  }
  .about-block p, .about-block ul {
    font-size: 16px;
  }
}
.about-section {
    padding: 80px 0;
}

.about-section .section-title {
    font-size: 2.4rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #fff;
}

.about-section .section-lead {
    max-width: 700px;
    font-size: 1.2rem;
    line-height: 1.6;
    opacity: 0.8;
    margin-bottom: 50px;
}

.about-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    padding: 25px 30px;
    border-radius: 18px;
    margin-bottom: 35px;
}

.about-card h2 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.about-card p,
.about-card ul {
    font-size: 1rem;
    opacity: 0.85;
    line-height: 1.6;
}

.about-card ul {
    padding-left: 20px;
}