/* ==========================================================================
   DEĞİŞKENLER (DESIGN TOKENS)
   ========================================================================== */
:root {
    /* Renkler */
    --color-dark: #171512;
    --color-dark-soft: #232019;
    --color-bg: #F2F0EB;
    --color-bg-alt: #E8E4DB;
    --color-accent: #E08A2C;
    --color-accent-soft: #F2B267;
    --color-steel: #4A5560;
    --color-white: #FFFFFF;
    --color-text: #1C1A17;
    --color-text-muted: #5C584F;
    --color-border: #D8D3C6;

    /* Tipografi */
    --font-display: 'Oswald', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Layout */
    --container-width: 1180px;
    --section-padding: 6rem;
    --radius-sm: 2px;
    --radius-md: 4px;
}

/* ==========================================================================
   RESET
   ========================================================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

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

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

ul,
ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input,
textarea {
    font-family: inherit;
    font-size: 1rem;
}

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-dark);
}

/* Klavye erişilebilirliği için görünür odak halkası */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
}

/* ==========================================================================
   LAYOUT YARDIMCILARI
   ========================================================================== */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin-inline: auto;
    padding-inline: 1.5rem;
}

/* ==========================================================================
   TEKRAR EDEN METİN STİLLERİ
   ========================================================================== */
.section-eyebrow {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    margin-bottom: 1rem;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    max-width: 60ch;
}

/* ==========================================================================
   BUTONLAR
   ========================================================================== */
.btn {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    padding: 0.9rem 1.75rem;
    border-radius: var(--radius-sm);
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-dark);
}

.btn-primary:hover {
    background-color: var(--color-accent-soft);
}

.btn-outline {
    border: 1px solid var(--color-dark);
    color: var(--color-dark);
}

.btn-outline:hover {
    background-color: var(--color-dark);
    color: var(--color-white);
}

/* ==========================================================================
   SCROLL REVEAL
   ========================================================================== */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ==========================================================================
   HEADER / NAVBAR
   ========================================================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(242, 240, 235, 0.92);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow 0.2s ease;
}

.site-header.is-scrolled {
    box-shadow: 0 2px 12px rgba(23, 21, 18, 0.08);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
}

.logo {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--color-dark);
    text-transform: uppercase;
}

.logo span {
    color: var(--color-accent);
}

.main-nav {
    display: flex;
}

.nav-list {
    display: flex;
    gap: 2.25rem;
}

.nav-link {
    position: relative;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text);
    padding-block: 0.25rem;
}

.nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width 0.2s ease;
}

.nav-link:hover::after,
.nav-link.is-active::after {
    width: 100%;
}

.nav-link.is-active {
    color: var(--color-accent);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-dark);
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
    position: relative;
    padding-block: 8rem 6rem;
    background-color: var(--color-dark);
    color: var(--color-white);
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(242, 240, 235, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(242, 240, 235, 0.06) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
}

.hero::after {
    content: "";
    position: absolute;
    inset: 24px;
    border: 1px solid rgba(242, 240, 235, 0.15);
    pointer-events: none;
}

.hero-inner {
    position: relative;
    max-width: 720px;
}

.hero-eyebrow {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 1.25rem;
}

.hero-title {
    font-size: clamp(2.25rem, 5vw, 3.75rem);
    color: var(--color-white);
    margin-bottom: 1.5rem;
}

.hero-title span {
    color: var(--color-accent-soft);
}

.hero-desc {
    font-size: 1.1rem;
    color: rgba(242, 240, 235, 0.75);
    max-width: 52ch;
    margin-bottom: 2.5rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero .btn-outline {
    border-color: rgba(242, 240, 235, 0.4);
    color: var(--color-white);
}

.hero .btn-outline:hover {
    background-color: var(--color-white);
    color: var(--color-dark);
}

/* ==========================================================================
   HAKKIMIZDA
   ========================================================================== */
.about {
    padding-block: var(--section-padding);
}

.about-inner {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    border-left: 1px solid var(--color-border);
    padding-left: 3rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 500;
    color: var(--color-dark);
    line-height: 1;
}

.stat-number small {
    font-size: 1.25rem;
    color: var(--color-accent);
}

.stat-label {
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

/* ==========================================================================
   HİZMETLER
   ========================================================================== */
.services {
    padding-block: var(--section-padding);
    background-color: var(--color-bg-alt);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.service-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-top: 3px solid var(--color-accent);
    padding: 2rem 1.75rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(23, 21, 18, 0.08);
}

.service-title {
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
}

.service-desc {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

/* ==========================================================================
   PROJELER
   ========================================================================== */
.projects {
    padding-block: var(--section-padding);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.75rem;
    margin-top: 3rem;
}

.project-card {
    overflow: hidden;
    border: 1px solid var(--color-border);
    background-color: var(--color-white);
}

.project-image {
    position: relative;
    aspect-ratio: 16 / 10;
    background-color: var(--color-steel);
    background-image:
        repeating-linear-gradient(45deg, rgba(242, 240, 235, 0.06) 0 2px, transparent 2px 14px);
}

.project-image::after {
    content: attr(data-placeholder);
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: rgba(242, 240, 235, 0.7);
}

.project-info {
    padding: 1.25rem 1.5rem;
}

.project-title {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.project-meta {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

/* ==========================================================================
   NEDEN BİZ
   ========================================================================== */
.why-us {
    padding-block: var(--section-padding);
    background-color: var(--color-dark);
    color: var(--color-white);
}

.why-us .section-title,
.why-us-text .section-title {
    color: var(--color-white);
}

.why-us-inner {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.why-item {
    padding-top: 1.5rem;
    border-top: 1px solid rgba(242, 240, 235, 0.2);
}

.why-title {
    color: var(--color-white);
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
}

.why-desc {
    color: rgba(242, 240, 235, 0.7);
    font-size: 0.95rem;
}

/* ==========================================================================
   İLETİŞİM
   ========================================================================== */
.contact {
    padding-block: var(--section-padding);
}

.contact-inner {
    max-width: 640px;
}

.contact-details {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.contact-details li {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.contact-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-accent);
}

.contact-value {
    font-size: 1rem;
    color: var(--color-text);
}

.btn-whatsapp {
    margin-top: 2rem;
    background-color: #25D366;
    color: #FFFFFF;
}

.btn-whatsapp:hover {
    background-color: #1EBE5A;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
    background-color: var(--color-dark);
    color: rgba(242, 240, 235, 0.7);
    padding-block: 2.5rem;
}

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

.footer-logo {
    color: var(--color-white);
}

.footer-text {
    font-size: 0.85rem;
}

.social-list {
    display: flex;
    gap: 1rem;
}

.social-list a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid rgba(242, 240, 235, 0.25);
    border-radius: 50%;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    transition: border-color 0.2s ease, color 0.2s ease;
}

.social-list a:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 960px) {
    .about-inner {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .stats {
        border-left: none;
        padding-left: 0;
        border-top: 1px solid var(--color-border);
        padding-top: 2rem;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .why-us-grid {
        grid-template-columns: 1fr;
        gap: 1.75rem;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 4rem;
    }

    .main-nav {
        position: fixed;
        top: 76px;
        left: 0;
        right: 0;
        background-color: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-8px);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.2s ease, opacity 0.2s ease;
    }

    .main-nav.is-open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .nav-list {
        flex-direction: column;
        gap: 0;
        padding: 1rem 1.5rem 1.5rem;
    }

    .nav-link {
        display: block;
        padding-block: 0.85rem;
        border-bottom: 1px solid var(--color-border);
    }

    .nav-toggle {
        display: flex;
    }

    .services-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        padding-block: 6.5rem 4rem;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .stats {
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
    }

    .stat-number {
        font-size: 2rem;
    }

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

    .hero-actions .btn {
        text-align: center;
    }
}