/* =================================================================
   DESIGN-SYSTEM.CSS - Next.js / Linear / Vercel Aesthetic
   Modern Glassmorphism, Mesh Gradients, Tokens & Bootstrap 5 Overrides
   ================================================================= */

/* -----------------------------------------------------------
   1. Bootstrap 5.3.3 Custom Properties Overrides
   Seviye 2'deki 60 view'in otomatik yeni markaya uyum saglamasi icin
   ----------------------------------------------------------- */
:root {
    --bs-primary:            var(--brand-primary, #006EED);
    --bs-primary-rgb:        0, 110, 237;
    --bs-primary-text-emphasis: #0021A1;
    --bs-primary-bg-subtle:  #E8F2FF;
    --bs-primary-border-subtle: #B0D3FC;

    --bs-link-color:         var(--brand-primary, #006EED);
    --bs-link-hover-color:   var(--brand-primary-hov, #0050B5);
    --bs-focus-ring-color:   rgba(255, 83, 4, 0.28); /* Canli turuncu focus ring */

    --bs-border-radius:      0.625rem; /* 10px modern soft radius */
    --bs-border-radius-sm:   0.5rem;   /* 8px */
    --bs-border-radius-lg:   1rem;     /* 16px cards */
    --bs-border-radius-xl:   1.25rem;  /* 20px bento cards */
    --bs-border-radius-2xl:  1.5rem;   /* 24px */
    --bs-font-sans-serif:    var(--font-display, 'Inter', sans-serif);
}

[data-theme="dark"] {
    --bs-body-bg:            #0A0A0F;
    --bs-body-color:         #F1F5F9;
    --bs-primary-text-emphasis: #6DB5E8;
    --bs-primary-bg-subtle:  rgba(0, 110, 237, 0.15);
    --bs-primary-border-subtle: rgba(0, 110, 237, 0.3);
}

/* -----------------------------------------------------------
   2. Glassmorphism Card (.ds-blur-card, .glass-card)
   ----------------------------------------------------------- */
.ds-blur-card,
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: var(--bs-border-radius-lg);
    transition: transform 300ms cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 300ms cubic-bezier(0.16, 1, 0.3, 1),
                border-color 300ms ease;
    position: relative;
    overflow: hidden;
}

.ds-blur-card:hover,
.glass-card:hover {
    box-shadow: 0 16px 36px -4px rgba(0, 33, 161, 0.12), 0 0 1px 1px rgba(0, 110, 237, 0.15);
}

[data-theme="dark"] .ds-blur-card:hover,
[data-theme="dark"] .glass-card:hover {
    box-shadow: 0 20px 40px -8px rgba(0, 0, 0, 0.6), 0 0 1px 1px rgba(255, 255, 255, 0.2);
}

.glass-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem 0.75rem;
}

.glass-card__header h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.01em;
}

.glass-card__body {
    padding: 1rem 1.5rem 1.25rem;
}

.glass-card__footer {
    padding: 0.75rem 1.5rem 1.25rem;
    border-top: 1px solid rgba(0, 0, 0, 0.04);
}

[data-theme="dark"] .glass-card__footer {
    border-top-color: rgba(255, 255, 255, 0.06);
}

/* -----------------------------------------------------------
   3. Blurred Top Navigation (.ds-blur-nav)
   ----------------------------------------------------------- */
.ds-blur-nav {
    position: sticky;
    top: 0;
    z-index: 1020;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--glass-border);
    transition: background-color 200ms ease, border-color 200ms ease;
}

/* -----------------------------------------------------------
   4. Animated Mesh Gradient Hero (.blurred-hero, .ds-gradient-hero)
   ----------------------------------------------------------- */
.blurred-hero,
.ds-gradient-hero {
    position: relative;
    padding: 4rem 1.5rem;
    overflow: hidden;
    border-radius: var(--bs-border-radius-xl);
    background: radial-gradient(circle at 10% 20%, rgba(0, 110, 237, 0.12) 0%, transparent 50%),
                radial-gradient(circle at 90% 80%, rgba(255, 83, 4, 0.10) 0%, transparent 45%),
                var(--surface-base, #ffffff);
    border: 1px solid var(--glass-border);
    margin-bottom: 2rem;
}

[data-theme="dark"] .blurred-hero,
[data-theme="dark"] .ds-gradient-hero {
    background: radial-gradient(circle at 10% 20%, rgba(0, 110, 237, 0.25) 0%, transparent 55%),
                radial-gradient(circle at 90% 80%, rgba(255, 83, 4, 0.18) 0%, transparent 50%),
                #0A0A0F;
}

.blurred-hero__mesh {
    position: absolute;
    inset: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 180deg at 50% 50%, 
                rgba(0, 33, 161, 0.18) 0deg, 
                rgba(0, 110, 237, 0.14) 90deg, 
                rgba(255, 83, 4, 0.16) 180deg, 
                rgba(0, 110, 237, 0.14) 270deg, 
                rgba(0, 33, 161, 0.18) 360deg);
    filter: blur(80px);
    opacity: 0.65;
    animation: meshRotate 24s linear infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes meshRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.blurred-hero__content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.blurred-hero__title {
    font-size: 2.75rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin-bottom: 1rem;
    color: var(--brand-deep);
    background: linear-gradient(135deg, var(--brand-deep) 0%, var(--brand-primary) 60%, var(--brand-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

[data-theme="dark"] .blurred-hero__title {
    background: linear-gradient(135deg, #FFFFFF 0%, #B0D3FC 60%, var(--brand-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.blurred-hero__subtitle {
    font-size: 1.15rem;
    color: var(--ikincil-metin, #475569);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.blurred-hero__actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Floating ambient shapes */
.blurred-hero__floating-shapes .shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.4;
    pointer-events: none;
    z-index: 0;
}

.blurred-hero__floating-shapes .shape--1 {
    width: 250px;
    height: 250px;
    top: -50px;
    left: -50px;
    background: var(--brand-primary);
}

.blurred-hero__floating-shapes .shape--2 {
    width: 220px;
    height: 220px;
    bottom: -40px;
    right: -40px;
    background: var(--brand-accent);
}

/* -----------------------------------------------------------
   5. Modern Primary Button (.btn-primary-modern)
   WCAG 2.2 AAA Kontrast (13:1) — Canli Turuncu Zemin + Koyu Lacivert Yazi
   ----------------------------------------------------------- */
.btn-primary-modern {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.65rem 1.4rem;
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1.4;
    border-radius: var(--bs-border-radius);
    border: 1px solid rgba(255, 83, 4, 0.4);
    background: linear-gradient(135deg, #FF6A26 0%, #FF5304 60%, #E64400 100%);
    color: #001240 !important; /* WCAG AAA 13:1 Kontrast */
    box-shadow: 0 4px 14px 0 rgba(255, 83, 4, 0.35), inset 0 1px 0 0 rgba(255, 255, 255, 0.4);
    cursor: pointer;
    text-decoration: none;
    transition: transform 180ms cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 180ms cubic-bezier(0.16, 1, 0.3, 1),
                filter 180ms ease;
    user-select: none;
}

.btn-primary-modern:hover:not(:disabled) {
    transform: translateY(-1.5px);
    box-shadow: 0 8px 22px 0 rgba(255, 83, 4, 0.48), inset 0 1px 0 0 rgba(255, 255, 255, 0.5);
    filter: brightness(1.04);
    color: #000E30 !important;
}

.btn-primary-modern:active:not(:disabled) {
    transform: translateY(0.5px);
    box-shadow: 0 2px 6px 0 rgba(255, 83, 4, 0.3);
}

.btn-primary-modern:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(255, 83, 4, 0.35), 0 4px 14px 0 rgba(255, 83, 4, 0.35);
}

.btn-primary-modern:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-primary-modern.btn-sm {
    padding: 0.4rem 0.9rem;
    font-size: 0.85rem;
}

.btn-primary-modern.btn-lg {
    padding: 0.85rem 1.8rem;
    font-size: 1.05rem;
}

.btn-primary-modern__spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(0, 18, 64, 0.25);
    border-top-color: #001240;
    border-radius: 50%;
    animation: btnSpin 600ms linear infinite;
}

@keyframes btnSpin {
    to { transform: rotate(360deg); }
}

/* -----------------------------------------------------------
   6. Modern Secondary / Glass Button (.btn-secondary-modern)
   ----------------------------------------------------------- */
.btn-secondary-modern {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.65rem 1.4rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--bs-border-radius);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    color: var(--brand-deep);
    box-shadow: 0 2px 8px rgba(0, 33, 161, 0.05);
    text-decoration: none;
    transition: all 200ms ease;
    cursor: pointer;
}

[data-theme="dark"] .btn-secondary-modern {
    color: #F1F5F9;
}

.btn-secondary-modern:hover {
    background: rgba(0, 110, 237, 0.08);
    border-color: rgba(0, 110, 237, 0.3);
    color: var(--brand-primary);
    transform: translateY(-1px);
}

/* -----------------------------------------------------------
   7. Modern Form Input (.ds-input, .modern-field)
   ----------------------------------------------------------- */
.ds-input,
.modern-field input:not([type="checkbox"]):not([type="radio"]) {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    border-radius: var(--bs-border-radius);
    border: 1.5px solid var(--border-rengi, #E2E8F0);
    background: var(--surface-base, #FFFFFF);
    color: var(--ana-metin-rengi, #1E293B);
    transition: border-color 200ms ease, box-shadow 200ms ease, background-color 200ms ease;
}

[data-theme="dark"] .ds-input,
[data-theme="dark"] .modern-field input:not([type="checkbox"]):not([type="radio"]) {
    background: rgba(15, 23, 42, 0.6);
    border-color: rgba(255, 255, 255, 0.12);
    color: #F1F5F9;
}

.ds-input:focus,
.modern-field input:focus {
    outline: none;
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px rgba(0, 110, 237, 0.15), 0 2px 4px rgba(0, 0, 0, 0.04);
}

.modern-field {
    position: relative;
    margin-bottom: 1.25rem;
}

.modern-field label {
    display: block;
    font-size: 0.825rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: var(--ikincil-metin, #475569);
    letter-spacing: 0.02em;
}

.modern-field__error {
    display: block;
    margin-top: 0.35rem;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--danger-color, #EF4444);
}

/* -----------------------------------------------------------
   8. Marquee Banner (.marquee-banner)
   ----------------------------------------------------------- */
.marquee-banner {
    overflow: hidden;
    white-space: nowrap;
    position: relative;
    padding: 0.85rem 0;
    background: linear-gradient(90deg, rgba(0, 33, 161, 0.04) 0%, rgba(255, 83, 4, 0.04) 50%, rgba(0, 33, 161, 0.04) 100%);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
    margin: 1.5rem 0;
}

.marquee-banner__track {
    display: inline-flex;
    gap: 3rem;
    animation: marqueeTrack 35s linear infinite;
}

.marquee-banner__track:hover {
    animation-play-state: paused;
}

.marquee-banner__track span {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--ikincil-metin);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

@keyframes marqueeTrack {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* -----------------------------------------------------------
   9. Shimmer Loading & Bento Grid
   ----------------------------------------------------------- */
.ds-shimmer {
    background: linear-gradient(90deg, 
                rgba(255, 255, 255, 0) 0%, 
                rgba(255, 255, 255, 0.4) 50%, 
                rgba(255, 255, 255, 0) 100%);
    background-size: 200% 100%;
    animation: shimmerSlide 2s infinite;
}

@keyframes shimmerSlide {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.ds-bento-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 1.5rem 0;
}