/* ==========================================================================
   WebDev Agent — Ana Stil Dosyası
   Koyu tema · İndigo + camgöbeği vurgular · Grid & Flexbox tabanlı duyarlı düzen
   ========================================================================== */

/* --- Değişkenler ------------------------------------------------------- */
:root {
    --bg: #0b0f19;
    --bg-alt: #0f1626;
    --surface: #131c2e;
    --surface-2: #182238;
    --border: #24304a;

    --text: #e8ecf5;
    --text-muted: #9aa8c4;
    --text-dim: #6b7a99;

    --indigo: #6366f1;
    --indigo-light: #818cf8;
    --cyan: #22d3ee;
    --cyan-soft: #67e8f9;
    --green: #34d399;

    --radius-sm: 8px;
    --radius: 14px;
    --radius-lg: 20px;

    --shadow: 0 18px 40px -18px rgba(0, 0, 0, .75);
    --shadow-glow: 0 0 0 1px rgba(99, 102, 241, .25), 0 24px 60px -24px rgba(99, 102, 241, .55);

    --container: 1200px;
    --space: clamp(4rem, 8vw, 7rem);

    --font-sans: "Inter", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
    --font-mono: "JetBrains Mono", "Fira Code", "Cascadia Code", Consolas, "Courier New", monospace;
}

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

* {
    margin: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 5.5rem;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    background-image:
        radial-gradient(60rem 40rem at 78% -12%, rgba(99, 102, 241, .18), transparent 62%),
        radial-gradient(45rem 32rem at 4% 8%, rgba(34, 211, 238, .12), transparent 60%);
    background-repeat: no-repeat;
}

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

ul,
ol {
    list-style: none;
    padding: 0;
}

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

button,
input {
    font: inherit;
    color: inherit;
}

h1,
h2,
h3 {
    line-height: 1.2;
    letter-spacing: -.02em;
    font-weight: 700;
}

h1 {
    font-size: clamp(2.1rem, 5.2vw, 3.75rem);
}

h2 {
    font-size: clamp(1.7rem, 3.6vw, 2.6rem);
}

h3 {
    font-size: 1.15rem;
}

p {
    text-wrap: pretty;
}

/* --- Yardımcılar ------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: clamp(1.15rem, 4vw, 2.5rem);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: absolute;
    left: 1rem;
    top: -4rem;
    z-index: 999;
    padding: .7rem 1.15rem;
    border-radius: var(--radius-sm);
    background: var(--indigo);
    color: #fff;
    font-weight: 600;
    transition: top .2s ease;
}

.skip-link:focus {
    top: 1rem;
}

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

.gradient-text {
    background: linear-gradient(100deg, var(--indigo-light), var(--cyan));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.eyebrow {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: .8rem;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--cyan);
    margin-bottom: .75rem;
}

/* --- Butonlar ---------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: .85rem 1.6rem;
    border: 1px solid transparent;
    border-radius: 999px;
    font-weight: 600;
    font-size: .97rem;
    cursor: pointer;
    white-space: nowrap;
    transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease, border-color .18s ease;
}

.btn-primary {
    background: linear-gradient(120deg, var(--indigo), #4f46e5);
    color: #fff;
    box-shadow: 0 12px 28px -12px rgba(99, 102, 241, .85);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 34px -12px rgba(99, 102, 241, .95);
}

.btn-ghost {
    background: rgba(255, 255, 255, .03);
    border-color: var(--border);
    color: var(--text);
}

.btn-ghost:hover {
    border-color: var(--cyan);
    color: var(--cyan-soft);
    transform: translateY(-2px);
}

/* --- Başlık / Navigasyon ----------------------------------------------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(11, 15, 25, .82);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    min-height: 4.5rem;
    flex-wrap: wrap;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.logo-mark {
    display: grid;
    place-items: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--indigo), var(--cyan));
    color: #071019;
    font-family: var(--font-mono);
    font-size: .8rem;
    font-weight: 700;
}

.logo-text strong {
    color: var(--cyan);
    font-weight: 700;
}

.site-nav ul {
    display: flex;
    align-items: center;
    gap: clamp(.75rem, 2vw, 2rem);
    flex-wrap: wrap;
}

.site-nav a {
    font-size: .95rem;
    color: var(--text-muted);
    transition: color .18s ease;
}

.site-nav a:hover {
    color: var(--text);
}

.nav-cta {
    padding: .55rem 1.15rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--text) !important;
    background: rgba(99, 102, 241, .12);
}

.nav-cta:hover {
    border-color: var(--indigo-light);
}

/* --- Hero -------------------------------------------------------------- */
.hero {
    padding-block: clamp(3.5rem, 8vw, 6.5rem) var(--space);
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(2.5rem, 5vw, 4rem);
    /* İki sütun da dikeyde ortalanır; sol sütun kısaldığında boşluk dengeli dağılır */
    align-items: center;
}

/* Metin sütunu tek başına aşırı genişlemesin, satır uzunluğu okunur kalsın */
.hero-copy {
    max-width: 40rem;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .35rem .9rem;
    margin-bottom: 1.35rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: rgba(34, 211, 238, .07);
    font-size: .82rem;
    color: var(--cyan-soft);
}

.badge .dot {
    width: .5rem;
    height: .5rem;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 0 4px rgba(52, 211, 153, .18);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: .35;
    }
}

.lead {
    margin-top: 1.35rem;
    max-width: 42rem;
    font-size: clamp(1.02rem, 1.5vw, 1.15rem);
    color: var(--text-muted);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .9rem;
    margin-top: 2.25rem;
}

/* --- Pencere kabukları (sohbet + terminal) ----------------------------- */
.window-bar {
    display: flex;
    align-items: center;
    gap: .85rem;
    padding: .7rem 1rem;
    background: var(--surface-2);
    border-bottom: 1px solid var(--border);
}

.dots {
    display: inline-flex;
    gap: .4rem;
}

.dots i {
    width: .7rem;
    height: .7rem;
    border-radius: 50%;
    background: #3a4661;
}

.dots i:nth-child(1) {
    background: #ff5f57;
}

.dots i:nth-child(2) {
    background: #febc2e;
}

.dots i:nth-child(3) {
    background: #28c840;
}

.window-title {
    font-family: var(--font-mono);
    font-size: .78rem;
    color: var(--text-dim);
}

/* --- Sohbet arayüzü ---------------------------------------------------- */
.chat-window {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow-glow);
    overflow: hidden;
}

.chat-body {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1.35rem;
}

.msg {
    padding: .95rem 1.1rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    font-size: .93rem;
}

.msg-who {
    display: block;
    font-family: var(--font-mono);
    font-size: .72rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    margin-bottom: .4rem;
    color: var(--text-dim);
}

.msg-user {
    background: rgba(99, 102, 241, .12);
    border-color: rgba(99, 102, 241, .35);
    align-self: flex-end;
    max-width: 88%;
}

.msg-agent {
    background: var(--surface-2);
    align-self: flex-start;
    max-width: 94%;
}

.msg-agent .msg-who {
    color: var(--cyan);
}

.task-list {
    margin-top: .8rem;
    display: grid;
    gap: .45rem;
    font-size: .87rem;
    color: var(--text-muted);
}

.task-list li {
    display: flex;
    align-items: center;
    gap: .55rem;
}

.task-list li::before {
    content: "✔";
    font-size: .82rem;
    color: var(--green);
}

.task-list li.run::before {
    content: "◐";
    color: var(--cyan);
    animation: spin 1.6s linear infinite;
}

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

.chat-input {
    display: flex;
    align-items: center;
    gap: .6rem;
    margin-top: .35rem;
    padding: .8rem 1rem;
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    background: var(--bg-alt);
    font-family: var(--font-mono);
    font-size: .85rem;
    color: var(--text-dim);
}

.prompt-caret {
    color: var(--cyan);
}

.caret,
.cursor {
    display: inline-block;
    width: .55rem;
    height: 1.05em;
    margin-left: .25rem;
    vertical-align: text-bottom;
    background: var(--cyan);
    animation: blink 1.1s steps(2, start) infinite;
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

/* --- Özellikler -------------------------------------------------------- */
.features {
    padding-block: var(--space);
    background: linear-gradient(180deg, transparent, rgba(15, 22, 38, .85), transparent);
}

.section-head {
    max-width: 46rem;
    margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
}

.section-sub {
    margin-top: 1rem;
    color: var(--text-muted);
    font-size: 1.03rem;
}

.feature-grid {
    /* Flexbox + justify-content: eksik son satır, grid'in aksine ortalanır */
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.35rem;
}

.feature-card {
    flex: 1 1 280px;
    max-width: 380px;
    padding: 1.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: linear-gradient(160deg, var(--surface), var(--bg-alt));
    transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(99, 102, 241, .55);
    box-shadow: var(--shadow);
}

.feature-icon {
    display: grid;
    place-items: center;
    width: 2.9rem;
    height: 2.9rem;
    margin-bottom: 1.1rem;
    border-radius: 12px;
    background: rgba(99, 102, 241, .14);
    border: 1px solid rgba(99, 102, 241, .3);
    font-size: 1.3rem;
}

.feature-card h3 {
    margin-bottom: .55rem;
}

.feature-card p {
    color: var(--text-muted);
    font-size: .95rem;
}

/* --- Terminal bölümü --------------------------------------------------- */
.terminal-section {
    padding-block: var(--space);
}

.terminal-inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(2.25rem, 5vw, 3.5rem);
    align-items: center;
}

.terminal-copy p {
    color: var(--text-muted);
    margin-top: 1rem;
}

.check-list {
    display: grid;
    gap: .7rem;
    margin-top: 1.75rem;
}

.check-list li {
    display: flex;
    align-items: flex-start;
    gap: .65rem;
    color: var(--text-muted);
    font-size: .96rem;
}

.check-list li::before {
    content: "▹";
    color: var(--cyan);
    font-weight: 700;
}

.terminal {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: #070b14;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.terminal .window-bar {
    background: #0c1220;
}

.terminal-body {
    margin: 0;
    padding: 1.35rem;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: clamp(.78rem, 1.6vw, .88rem);
    line-height: 1.9;
    color: var(--text-muted);
    tab-size: 2;
}

.terminal-body .line {
    display: block;
    white-space: pre;
}

.tprompt {
    color: var(--indigo-light);
}

.tcmd {
    color: var(--text);
}

.tok {
    color: var(--green);
}

.tinfo {
    color: var(--cyan);
}

.tmuted {
    color: var(--text-dim);
}

.tdim {
    color: var(--text-dim);
}

/* --- Süreç ------------------------------------------------------------- */
.process {
    padding-block: var(--space);
    background: rgba(15, 22, 38, .5);
    border-block: 1px solid var(--border);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.35rem;
    counter-reset: adim;
}

.step {
    position: relative;
    padding: 1.9rem 1.6rem 1.6rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface);
}

.step-no {
    display: block;
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 700;
    color: rgba(99, 102, 241, .45);
    margin-bottom: .5rem;
}

.step h3 {
    margin-bottom: .5rem;
}

.step p {
    color: var(--text-muted);
    font-size: .95rem;
}

/* --- Çağrı (CTA) ------------------------------------------------------- */
.cta {
    padding-block: var(--space);
}

.cta-inner {
    max-width: 44rem;
    margin-inline: auto;
    text-align: center;
    padding: clamp(2.25rem, 5vw, 3.25rem);
    border: 1px solid rgba(99, 102, 241, .35);
    border-radius: var(--radius-lg);
    background:
        radial-gradient(40rem 20rem at 50% -30%, rgba(99, 102, 241, .28), transparent 70%),
        var(--surface);
    box-shadow: var(--shadow);
}

.cta-inner>p {
    margin-top: .9rem;
    color: var(--text-muted);
}

.cta-actions {
    justify-content: center;
    margin-top: 2rem;
}

.contact-details {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: .85rem 2rem;
    margin-top: 2rem;
    padding-top: 1.75rem;
    border-top: 1px solid var(--border);
    font-size: .93rem;
    color: var(--text-muted);
}

.contact-details li {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
}

.contact-details a {
    transition: color .18s ease;
}

.contact-details a:hover {
    color: var(--cyan);
}

.cta-note {
    margin-top: 1.1rem;
    font-size: .82rem;
    color: var(--text-dim);
}

/* --- Alt bilgi --------------------------------------------------------- */
.site-footer {
    border-top: 1px solid var(--border);
    background: var(--bg-alt);
    padding-top: clamp(2.75rem, 5vw, 4rem);
}

.footer-inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding-bottom: 2.5rem;
}

.footer-brand p {
    margin-top: .75rem;
    max-width: 26rem;
    color: var(--text-dim);
    font-size: .92rem;
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 2rem;
}

.footer-title {
    font-size: .82rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--text);
    margin-bottom: .9rem;
}

.footer-nav ul {
    display: grid;
    gap: .55rem;
}

.footer-nav a {
    font-size: .92rem;
    color: var(--text-muted);
    transition: color .18s ease;
}

.footer-nav a:hover {
    color: var(--cyan);
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: .75rem;
    padding-block: 1.35rem;
    border-top: 1px solid var(--border);
    font-size: .85rem;
    color: var(--text-dim);
}

/* ==========================================================================
   Duyarlı Düzen — mobil öncelikli; aşağıdaki kırılımlar büyük ekranları hedefler
   ========================================================================== */

/* Tablet ve üzeri */
@media (min-width: 48rem) {
    .footer-inner {
        grid-template-columns: 1.2fr 2fr;
    }
}

/* Masaüstü — iki sütunlu hero ve terminal düzeni */
@media (min-width: 62rem) {
    .hero-inner {
        grid-template-columns: 1.05fr .95fr;
    }

    .terminal-inner {
        grid-template-columns: .9fr 1.1fr;
    }
}

/* Geniş masaüstü (1920x1080 ve üzeri) */
@media (min-width: 100rem) {
    :root {
        --container: 1360px;
    }

    body {
        font-size: 1.05rem;
    }
}

/* Küçük telefonlar */
@media (max-width: 30rem) {
    .header-inner {
        min-height: auto;
        padding-block: .85rem;
    }

    .site-nav ul {
        gap: .6rem;
        font-size: .88rem;
    }

    .hero-actions .btn {
        flex: 1 1 100%;
    }

    .msg-user,
    .msg-agent {
        max-width: 100%;
    }
}

/* Hareket azaltma tercihi */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
}

/* Yazdırma */
@media print {
    body {
        background: #fff;
        color: #000;
    }

    .site-header,
    .cta-form,
    .hero-actions {
        display: none;
    }
}

/* ==========================================================================
   Yasal Sayfalar — Gizlilik, Kullanım Koşulları, KVKK
   ========================================================================== */
.legal-page {
    padding-block: var(--space);
}

.legal-page .legal-back {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    margin-bottom: 1.75rem;
    color: var(--cyan);
    font-size: .92rem;
}

.legal-page .legal-back:hover {
    color: var(--cyan-soft);
}

.legal-page .legal-updated {
    color: var(--text-dim);
    font-size: .88rem;
    margin-top: .5rem;
}

.legal-page h1 {
    margin-bottom: .5rem;
}

.legal-page h2 {
    font-size: 1.3rem;
    margin-top: 2.25rem;
    margin-bottom: .75rem;
}

.legal-page p {
    max-width: 42rem;
    color: var(--text-muted);
    margin-top: .75rem;
}

.legal-page ul {
    max-width: 42rem;
    margin-top: .75rem;
    display: flex;
    flex-direction: column;
    gap: .5rem;
}

.legal-page ul li {
    list-style: disc;
    margin-inline-start: 1.25rem;
    color: var(--text-muted);
}