/*
 * Premium Diş Kliniği - Ana Stil Dosyası
 * Dribbble / Awwwards Seviyesi Tasarım
 */

/* ============================================
   CSS DEĞİŞKENLERİ
============================================ */
:root {
    --renk-beyaz: #FFFFFF;
    --renk-zemin: #F8FAFC;
    --renk-gradient-start: #E0F2FE;
    --renk-gradient-end: #FFFFFF;
    --renk-lacivert: #1E3A5F;
    --renk-lacivert-acik: #2D5A8B;
    --renk-altin: #C9A227;
    --renk-altin-parlak: #E8C547;
    --renk-teal: #0D9488;
    --renk-teal-acik: #14B8A6;
    --renk-text-koyu: #1F2937;
    --renk-text-orta: #4B5563;
    --renk-text-acik: #6B7280;
    --renk-text-beyaz: #FFFFFF;
    --cam-bg: rgba(255, 255, 255, 0.25);
    --cam-bg-koyu: rgba(255, 255, 255, 0.85);
    --cam-border: rgba(255, 255, 255, 0.3);
    --cam-shadow: 0 8px 32px rgba(31, 38, 135, 0.15);
    --golge-hafif: 0 2px 15px rgba(0, 0, 0, 0.05);
    --golge-orta: 0 10px 40px rgba(0, 0, 0, 0.1);
    --golge-guclu: 0 25px 50px rgba(0, 0, 0, 0.15);
    --golge-altin: 0 10px 40px rgba(201, 162, 39, 0.3);
    --gecis-hizli: 0.2s ease;
    --gecis-normal: 0.3s ease;
    --gecis-yavas: 0.5s ease;
    --gecis-elastic: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --font-baslik: 'Playfair Display', Georgia, serif;
    --font-govde: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --header-yukseklik: 90px;
    --container-max: 1280px;
    --radius-kucuk: 8px;
    --radius-orta: 16px;
    --radius-buyuk: 24px;
    --radius-yuvarlak: 50%;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-govde);
    font-size: 16px;
    line-height: 1.6;
    color: var(--renk-text-koyu);
    background: var(--renk-zemin);
    overflow-x: hidden;
}

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

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

ul,
ol {
    list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-baslik);
    font-weight: 700;
    line-height: 1.2;
    color: var(--renk-lacivert);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

.baslik-accent {
    position: relative;
    display: inline-block;
}

.baslik-accent::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--renk-altin), var(--renk-altin-parlak));
    border-radius: 2px;
}

.section-baslik {
    text-align: center;
    margin-bottom: 60px;
}

.section-baslik h2 {
    margin-bottom: 20px;
}

.section-baslik p {
    max-width: 600px;
    margin: 0 auto;
    color: var(--renk-text-orta);
    font-size: 1.1rem;
}

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 100px 0;
}

.section-gradient {
    background: linear-gradient(180deg, var(--renk-gradient-start) 0%, var(--renk-gradient-end) 100%);
}

.section-lacivert {
    background: linear-gradient(135deg, var(--renk-lacivert) 0%, var(--renk-lacivert-acik) 100%);
    color: var(--renk-text-beyaz);
}

.section-lacivert h2,
.section-lacivert h3 {
    color: var(--renk-text-beyaz);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    font-family: var(--font-govde);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-orta);
    cursor: pointer;
    transition: var(--gecis-normal);
}

.btn-altin {
    background: linear-gradient(135deg, var(--renk-altin) 0%, var(--renk-altin-parlak) 100%);
    color: var(--renk-text-beyaz);
    box-shadow: var(--golge-altin);
}

.btn-altin:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 50px rgba(201, 162, 39, 0.4);
}

.btn-cam {
    background: var(--cam-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--cam-border);
    color: var(--renk-text-beyaz);
}

.btn-cam:hover {
    background: var(--cam-bg-koyu);
    color: var(--renk-lacivert);
}

.btn-beyaz {
    background: var(--renk-beyaz);
    color: var(--renk-lacivert);
    box-shadow: var(--golge-orta);
}

.btn-beyaz:hover {
    transform: translateY(-3px);
    box-shadow: var(--golge-guclu);
}

.btn-lacivert {
    background: var(--renk-lacivert);
    color: var(--renk-text-beyaz);
}

.btn-lacivert:hover {
    background: var(--renk-lacivert-acik);
    transform: translateY(-2px);
}

/* HEADER */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-yukseklik);
    transition: var(--gecis-normal);
}

.header-transparent {
    background: transparent;
}

.header-solid {
    background: var(--cam-bg-koyu);
    backdrop-filter: blur(20px);
    box-shadow: var(--golge-hafif);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--renk-altin) 0%, var(--renk-altin-parlak) 100%);
    border-radius: var(--radius-orta);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.logo-text {
    font-family: var(--font-baslik);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--renk-lacivert);
}

.header-transparent .logo-text {
    color: var(--renk-text-beyaz);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-link {
    font-weight: 500;
    color: var(--renk-text-koyu);
    position: relative;
    padding: 10px 0;
}

.header-transparent .nav-link {
    color: var(--renk-text-beyaz);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--renk-altin);
    transition: var(--gecis-normal);
}

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

.nav-cta {
    margin-left: 20px;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    cursor: pointer;
    gap: 6px;
}

.menu-toggle span {
    display: block;
    width: 28px;
    height: 3px;
    background: var(--renk-lacivert);
    border-radius: 2px;
    transition: var(--gecis-normal);
}

.header-transparent .menu-toggle span {
    background: var(--renk-text-beyaz);
}

/* HERO */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.85) 0%, rgba(30, 58, 95, 0.4) 100%);
    z-index: -1;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    color: var(--renk-text-beyaz);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--cam-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--cam-border);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 30px;
    animation: fadeInUp 0.8s ease;
}

.hero h1 {
    color: var(--renk-text-beyaz);
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease 0.5s backwards;
}

.hero-stat {
    display: flex;
    align-items: center;
    gap: 12px;
}

.hero-stat-icon {
    width: 50px;
    height: 50px;
    background: var(--cam-bg);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-orta);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.hero-stat-text strong {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--renk-altin);
}

.hero-stat-text span {
    font-size: 0.9rem;
    opacity: 0.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    animation: fadeInUp 0.8s ease 0.6s backwards;
}

.hero-wave {
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 150px;
    z-index: 2;
}

.hero-wave svg {
    width: 100%;
    height: 100%;
}

/* AVANTAJLAR */
.avantajlar {
    position: relative;
    margin-top: -80px;
    z-index: 10;
}

.avantajlar-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.avantaj-kart {
    background: var(--cam-bg-koyu);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-buyuk);
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--cam-shadow);
    transition: var(--gecis-elastic);
}

.avantaj-kart:hover {
    transform: translateY(-10px);
    box-shadow: var(--golge-guclu);
}

.avantaj-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--renk-gradient-start) 0%, var(--renk-teal-acik) 100%);
    border-radius: var(--radius-yuvarlak);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    transition: var(--gecis-normal);
}

.avantaj-kart:hover .avantaj-icon {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, var(--renk-altin) 0%, var(--renk-altin-parlak) 100%);
}

.avantaj-kart h4 {
    margin-bottom: 12px;
    font-family: var(--font-govde);
    font-weight: 700;
}

.avantaj-kart p {
    color: var(--renk-text-orta);
    font-size: 0.95rem;
}

/* HİZMET KARTLARI */
.hizmetler-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.hizmet-kart {
    position: relative;
    background: var(--renk-beyaz);
    border-radius: var(--radius-buyuk);
    overflow: hidden;
    box-shadow: var(--golge-hafif);
    transition: var(--gecis-elastic);
}

.hizmet-kart:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--golge-guclu);
}

.hizmet-resim {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.hizmet-resim img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--gecis-yavas);
}

.hizmet-kart:hover .hizmet-resim img {
    transform: scale(1.1);
}

.hizmet-icerik {
    padding: 30px;
}

.hizmet-icon {
    position: absolute;
    top: -30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--renk-altin) 0%, var(--renk-altin-parlak) 100%);
    border-radius: var(--radius-orta);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--golge-altin);
}

.hizmet-icerik h3 {
    margin-bottom: 12px;
    font-size: 1.3rem;
}

.hizmet-icerik p {
    color: var(--renk-text-orta);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.hizmet-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--renk-lacivert);
}

.hizmet-link:hover {
    color: var(--renk-altin);
    gap: 12px;
}