/* ================================
   YASIN NAKLIYAT - Ana Stil Dosyasi
   ================================ */

/* CSS Degiskenleri ve Reset */
:root {
    --color-primary: #0f2944;
    --color-primary-dark: #081a2c;
    --color-primary-light: #1a3d5f;
    --color-accent: #d4a13c;
    --color-accent-light: #e8b94f;
    --color-accent-dark: #b08628;
    --color-bg: #fafaf7;
    --color-bg-alt: #f3f1ea;
    --color-text: #1a1a1a;
    --color-text-light: #555;
    --color-text-muted: #888;
    --color-white: #ffffff;
    --color-border: #e5e2d8;
    --color-whatsapp: #25D366;
    --color-whatsapp-dark: #128C7E;

    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --shadow-sm: 0 2px 8px rgba(15, 41, 68, 0.06);
    --shadow-md: 0 8px 24px rgba(15, 41, 68, 0.10);
    --shadow-lg: 0 20px 60px rgba(15, 41, 68, 0.15);

    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

    --container-width: 1280px;
    --header-height: 96px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.65;
    font-size: 16px;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 32px;
}

/* ================================
   HEADER
   ================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: all var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-sm);
    height: 76px;
}

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

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    height: 100%;
}

.logo-img {
    height: 116px;
    width: auto;
    display: block;
    transition: height var(--transition);
}

.header.scrolled .logo-img {
    height: 52px;
}

@media (max-width: 768px) {
    .logo-img {
        height: 100px;
    }
}

.nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 24px;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
}

.header-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    margin-left: 16px;
    transition: all var(--transition);
}

.header-cta:hover {
    background: var(--color-primary-dark);
    color: var(--color-accent);
    transform: translateY(-1px);
}

.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    width: 40px;
    height: 40px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    transition: all var(--transition);
}

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

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

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

/* ================================
   BUTTONS
   ================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-accent:hover {
    background: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

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

.btn-whatsapp {
    background: var(--color-whatsapp);
    color: var(--color-white);
}

.btn-whatsapp:hover {
    background: var(--color-whatsapp-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ================================
   PAGE HERO (Diger sayfalar icin)
   ================================ */
.page-hero {
    margin-top: var(--header-height);
    padding: 100px 0 80px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background-image: radial-gradient(circle at 30% 50%, rgba(212, 161, 60, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.page-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

.page-hero-inner {
    position: relative;
    z-index: 2;
    text-align: center;
}

.page-hero-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(212, 161, 60, 0.15);
    border: 1px solid rgba(212, 161, 60, 0.3);
    color: var(--color-accent);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    border-radius: 100px;
    margin-bottom: 24px;
}

.page-hero-title {
    font-size: clamp(40px, 6vw, 64px);
    color: var(--color-white);
    margin-bottom: 16px;
}

.page-hero-title span {
    color: var(--color-accent);
    font-style: italic;
}

.page-hero-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    max-width: 700px;
    margin: 0 auto;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

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

.breadcrumb-sep {
    color: var(--color-accent);
}

/* ================================
   SECTION COMMONS
   ================================ */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.section-tag {
    display: inline-block;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--color-accent-dark);
    font-weight: 600;
    margin-bottom: 16px;
    position: relative;
    padding: 0 32px;
}

.section-tag::before,
.section-tag::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 24px;
    height: 1px;
    background: var(--color-accent);
}

.section-tag::before { left: 0; }
.section-tag::after { right: 0; }

.section-title {
    font-size: clamp(32px, 4.5vw, 48px);
    margin-bottom: 20px;
}

.section-title span {
    color: var(--color-accent-dark);
    font-style: italic;
}

.section-subtitle {
    font-size: 17px;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ================================
   FOOTER
   ================================ */
.footer {
    background: var(--color-primary-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 80px 0 0;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 60px;
    padding-bottom: 60px;
}

.footer-brand h3 {
    color: var(--color-white);
    font-size: 28px;
    margin-bottom: 16px;
}

.footer-brand h3 span {
    color: var(--color-accent);
}

.footer-logo-img {
    height: 80px;
    width: auto;
    display: block;
    margin-bottom: 20px;
    filter: brightness(0) invert(1);
    opacity: 0.95;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 24px;
}

.footer-title {
    color: var(--color-white);
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(212, 161, 60, 0.3);
    position: relative;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 32px;
    height: 1px;
    background: var(--color-accent);
}

.footer-list {
    list-style: none;
}

.footer-list li {
    margin-bottom: 10px;
    font-size: 14px;
}

.footer-list a:hover {
    color: var(--color-accent);
    padding-left: 4px;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 14px;
    line-height: 1.5;
}

.footer-contact-icon {
    color: var(--color-accent);
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-bottom {
    padding: 24px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a {
    color: var(--color-accent);
}

/* ================================
   WHATSAPP FLOATING BUTTON
   ================================ */
.whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 999;
    width: 60px;
    height: 60px;
    background: var(--color-whatsapp);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
    transition: all var(--transition);
    animation: whatsappPulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    background: var(--color-whatsapp-dark);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
    color: white;
}

.whatsapp-float::before {
    content: 'WhatsApp ile ileti\015Fim';
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--color-primary);
    color: white;
    padding: 8px 14px;
    border-radius: 4px;
    font-size: 13px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
}

.whatsapp-float:hover::before {
    opacity: 1;
}

@keyframes whatsappPulse {
    0%, 100% {
        box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4), 0 0 0 0 rgba(37, 211, 102, 0.5);
    }
    50% {
        box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4), 0 0 0 16px rgba(37, 211, 102, 0);
    }
}

/* ================================
   ANIMATIONS
   ================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeInUp 0.8s ease-out forwards;
}

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ================================
   RESPONSIVE
   ================================ */
@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 72px;
    }

    .container {
        padding: 0 20px;
    }

    section {
        padding: 64px 0;
    }

    .nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: 24px;
        gap: 0;
        transform: translateX(100%);
        transition: transform var(--transition);
        box-shadow: var(--shadow-lg);
        height: calc(100vh - var(--header-height));
        align-items: flex-start;
    }

    .nav.open {
        transform: translateX(0);
    }

    .nav-link {
        width: 100%;
        padding: 16px 0;
        border-bottom: 1px solid var(--color-border);
    }

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

    .header-cta {
        margin-left: 0;
        margin-top: 16px;
        width: 100%;
        justify-content: center;
    }

    .menu-toggle {
        display: flex;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .page-hero {
        padding: 64px 0 48px;
    }

    .whatsapp-float {
        width: 54px;
        height: 54px;
        bottom: 20px;
        right: 20px;
    }

    .whatsapp-float svg {
        width: 28px;
        height: 28px;
    }
}