/* ============================================================
   ALİ KABA — KİŞİSEL WEBSİTESİ
   style.css — Sıfırdan yazılmış, temiz ve hatasız
   ============================================================ */

/* ============================================================
   1. CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ============================================================ */
:root {
    /* ---- Renkler ---- */
    --clr-primary:       #1a1a2e;   /* Koyu lacivert — ana arka plan */
    --clr-primary-mid:   #16213e;   /* Lacivert orta ton */
    --clr-secondary:     #0f3460;   /* Açık lacivert */
    --clr-gold:          #f5a623;   /* Ana vurgu: altın */
    --clr-gold-light:    #ffd166;   /* Gradient açık ucu */
    --clr-gold-dark:     #c8860a;   /* Koyu altın (açık bg'de metin) */
    --clr-whatsapp:      #25D366;   /* WhatsApp yeşili */

    --clr-white:         #ffffff;
    --clr-off-white:     #f8f9fa;
    --clr-light-bg:      #eef0f5;   /* Açık bölüm arka planı */
    --clr-gray-100:      #f1f3f9;
    --clr-gray-200:      #e2e8f0;
    --clr-gray-400:      #94a3b8;
    --clr-gray-600:      #475569;   /* İkincil metin */
    --clr-gray-800:      #1e293b;   /* Ana metin */
    --clr-dark:          #0d0d1a;

    /* ---- Gradyanlar ---- */
    --grad-primary:   linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    --grad-gold:      linear-gradient(135deg, #f5a623 0%, #ffd166 50%, #f5a623 100%);
    --grad-card:      linear-gradient(145deg, #ffffff 0%, #f8f9fa 100%);

    /* ---- Gölgeler ---- */
    --shadow-sm:   0 2px 8px  rgba(0, 0, 0, 0.08);
    --shadow-md:   0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-lg:   0 16px 48px rgba(0, 0, 0, 0.18);
    --shadow-xl:   0 24px 64px rgba(0, 0, 0, 0.24);
    --shadow-gold: 0 8px 32px rgba(245, 166, 35, 0.30);
    --shadow-gold-hover: 0 16px 48px rgba(245, 166, 35, 0.45);

    /* ---- Tipografi ---- */
    --font-main:    'Poppins', sans-serif;
    --fs-xs:        0.75rem;    /*  12px */
    --fs-sm:        0.875rem;   /*  14px */
    --fs-base:      1rem;       /*  16px */
    --fs-lg:        1.125rem;   /*  18px */
    --fs-xl:        1.25rem;    /*  20px */
    --fs-2xl:       1.5rem;     /*  24px */
    --fs-3xl:       1.875rem;   /*  30px */
    --fs-4xl:       2.25rem;    /*  36px */
    --fs-5xl:       3rem;       /*  48px */
    --fs-6xl:       3.75rem;    /*  60px */

    /* ---- Boşluklar ---- */
    --sp-1:   0.25rem;
    --sp-2:   0.5rem;
    --sp-3:   0.75rem;
    --sp-4:   1rem;
    --sp-5:   1.25rem;
    --sp-6:   1.5rem;
    --sp-8:   2rem;
    --sp-10:  2.5rem;
    --sp-12:  3rem;
    --sp-16:  4rem;
    --sp-20:  5rem;
    --sp-24:  6rem;

    /* ---- Border Radius ---- */
    --r-sm:   6px;
    --r-md:   12px;
    --r-lg:   20px;
    --r-xl:   28px;
    --r-full: 9999px;

    /* ---- Geçişler ---- */
    --tr-fast:   all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --tr-base:   all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --tr-slow:   all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --tr-bounce: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);

    /* ---- Navbar yüksekliği ---- */
    --navbar-h: 70px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-main);
    line-height: 1.75;
    color: var(--clr-gray-800);
    background-color: var(--clr-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

button {
    cursor: pointer;
    font-family: var(--font-main);
    border: none;
    background: none;
}

address {
    font-style: normal;
}

/* ============================================================
   3. YARDIMCI SINIFLAR
   ============================================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--sp-6);
}

/* ============================================================
   4. PRELOADER
   ============================================================ */
#preloader {
    position: fixed;
    inset: 0;
    background: var(--clr-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

#preloader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.preloader-inner {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-3);
}

.preloader-logo {
    width: 72px;
    height: 72px;
    background: var(--grad-gold);
    border-radius: var(--r-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--fs-2xl);
    font-weight: 800;
    color: var(--clr-primary);
    box-shadow: var(--shadow-gold);
    /* GPU layer — scale animasyonunda titreme önleme */
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
    animation: preloaderPulse 1.4s ease-in-out infinite;
}

.preloader-text {
    color: rgba(255, 255, 255, 0.80);
    font-size: var(--fs-sm);
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.preloader-bar {
    width: 180px;
    height: 3px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: var(--r-full);
    overflow: hidden;
}

.preloader-bar-fill {
    height: 100%;
    background: var(--grad-gold);
    border-radius: var(--r-full);
    animation: preloaderBar 1.8s ease forwards;
}

@keyframes preloaderBar {
    from { width: 0; }
    to   { width: 100%; }
}

@keyframes preloaderPulse {
    0%, 100% { transform: scale3d(1, 1, 1);       opacity: 1;   }
    50%       { transform: scale3d(1.05, 1.05, 1); opacity: 0.9; }
}

/* ============================================================
   5. BUTONLAR (global)
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    padding: 13px 30px;
    border-radius: var(--r-full);
    font-family: var(--font-main);
    font-weight: 600;
    font-size: var(--fs-sm);
    letter-spacing: 0.3px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--tr-bounce);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    line-height: 1;
}

/* Ripple overlay */
.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.12);
    opacity: 0;
    transition: var(--tr-fast);
}
.btn:hover::after,
.btn:focus::after { opacity: 1; }

/* Birincil — altın dolgu */
.btn-primary {
    background: var(--grad-gold);
    color: var(--clr-primary);
    border-color: transparent;
    box-shadow: var(--shadow-gold);
}
.btn-primary:hover,
.btn-primary:focus {
    transform: translateY(-3px);
    box-shadow: var(--shadow-gold-hover);
    outline: none;
}
.btn-primary:active { transform: translateY(-1px); }

/* Outline açık (hero'da) */
.btn-outline-light {
    background: transparent;
    color: var(--clr-white);
    border-color: rgba(255, 255, 255, 0.45);
}
.btn-outline-light:hover,
.btn-outline-light:focus {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--clr-white);
    transform: translateY(-3px);
    outline: none;
}
.btn-outline-light:active { transform: translateY(-1px); }

/* Outline koyu (projeler'de) */
.btn-outline {
    background: transparent;
    color: var(--clr-gold-dark);
    border-color: var(--clr-gold);
}
.btn-outline:hover,
.btn-outline:focus {
    background: var(--grad-gold);
    color: var(--clr-primary);
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
    outline: none;
}
.btn-outline:active { transform: translateY(0); }

/* Tam genişlik buton */
.btn-full {
    width: 100%;
    justify-content: center;
}

/* ============================================================
   6. BÖLÜM ORTAK STİLLER
   ============================================================ */
section {
    padding: var(--sp-24) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--sp-16);
}

/* Küçük etiket */
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    background: rgba(245, 166, 35, 0.10);
    color: var(--clr-gold-dark);
    border: 1px solid rgba(245, 166, 35, 0.25);
    padding: var(--sp-1) var(--sp-4);
    border-radius: var(--r-full);
    font-size: var(--fs-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: var(--sp-4);
}

/* İletişim bölümündeki açık varyant */
.section-tag--light {
    background: rgba(245, 166, 35, 0.18);
    color: var(--clr-gold-light);
    border-color: rgba(245, 166, 35, 0.35);
}

/* Başlık */
.section-title {
    font-size: clamp(1.8rem, 3vw, var(--fs-4xl));
    font-weight: 800;
    color: var(--clr-gray-800);
    margin-bottom: var(--sp-4);
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.section-title span {
    background: var(--grad-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* İletişim bölümünde beyaz başlık */
.section-title--light {
    color: var(--clr-white);
}
.section-title--light span {
    background: var(--grad-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Alt çizgi süsü */
.title-line {
    width: 60px;
    height: 4px;
    background: var(--grad-gold);
    border-radius: var(--r-full);
    margin: 0 auto var(--sp-4);
    position: relative;
}

.title-line::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
    background: var(--clr-gold);
    border-radius: 50%;
    border: 3px solid var(--clr-white);
    box-shadow: 0 0 0 2px var(--clr-gold);
}

.title-line--light::after {
    border-color: var(--clr-secondary);
}

/* Açıklama metni */
.section-desc {
    font-size: var(--fs-lg);
    color: var(--clr-gray-600);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.8;
}

.section-desc--light {
    color: rgba(255, 255, 255, 0.80);
}

/* ============================================================
   7. ANİMASYONLAR
   ============================================================ */
@keyframes fadeInUp {
    from { opacity: 0; transform: translate3d(0, 30px, 0); }
    to   { opacity: 1; transform: translate3d(0, 0, 0);    }
}

@keyframes fadeInRight {
    from { opacity: 0; transform: translate3d(40px, 0, 0); }
    to   { opacity: 1; transform: translate3d(0, 0, 0);    }
}

@keyframes floatY {
    0%   { transform: translate3d(0, 0px, 0); }
    50%  { transform: translate3d(0, -8px, 0); }
    100% { transform: translate3d(0, 0px, 0); }
}

@keyframes bounceDown {
    0%, 100% { transform: translate3d(-50%, 0, 0);   }
    50%       { transform: translate3d(-50%, 8px, 0); }
}

@keyframes pulseRing {
    0%   { box-shadow: 0 0 0 0   rgba(245, 166, 35, 0.55); }
    70%  { box-shadow: 0 0 0 12px rgba(245, 166, 35, 0);    }
    100% { box-shadow: 0 0 0 0   rgba(245, 166, 35, 0);    }
}

@keyframes shapeFloat {
    0%, 100% { transform: translate3d(0, 0, 0)    rotate(0deg); }
    50%       { transform: translate3d(0, 20px, 0) rotate(5deg); }
}

/* ============================================================
   8. NAVBAR
   ============================================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--navbar-h);
    z-index: 1000;
    transition: var(--tr-base);
    /* Başlangıçta şeffaf */
}

/* Scroll sonrası glassmorphism */
.navbar.scrolled {
    background: rgba(26, 26, 46, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.35);
}

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

/* Logo / Marka */
.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    text-decoration: none;
}

.nav-logo {
    width: 42px;
    height: 42px;
    background: var(--grad-gold);
    border-radius: var(--r-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: var(--fs-lg);
    color: var(--clr-primary);
    box-shadow: var(--shadow-gold);
    flex-shrink: 0;
    transition: var(--tr-base);
}

.nav-brand:hover .nav-logo {
    transform: rotate(-5deg) scale(1.08);
}

.nav-brand-name {
    color: var(--clr-white);
    font-size: var(--fs-xl);
    font-weight: 400;
    letter-spacing: 0.3px;
}

.nav-brand-name strong {
    color: var(--clr-gold);
    font-weight: 700;
}

/* Menü listesi */
.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--sp-1);
}

.nav-link {
    color: rgba(255, 255, 255, 0.82);
    font-weight: 500;
    font-size: var(--fs-sm);
    padding: var(--sp-2) var(--sp-4);
    border-radius: var(--r-full);
    transition: var(--tr-base);
    letter-spacing: 0.3px;
    position: relative;
}

.nav-link:hover {
    color: var(--clr-white);
    background: rgba(245, 166, 35, 0.14);
}

.nav-link.active {
    color: var(--clr-gold);
    background: rgba(245, 166, 35, 0.14);
}

/* İletişim CTA butonu */
.nav-cta {
    background: var(--grad-gold) !important;
    color: var(--clr-primary) !important;
    font-weight: 700 !important;
    padding: var(--sp-2) var(--sp-6) !important;
    box-shadow: var(--shadow-gold);
}

.nav-cta:hover,
.nav-cta.active {
    background: var(--clr-gold-light) !important;
    color: var(--clr-primary) !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold-hover) !important;
}

/* Hamburger butonu — mobilde görünür */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    padding: var(--sp-2);
    cursor: pointer;
    background: none;
    border: none;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--clr-white);
    border-radius: var(--r-full);
    transition: var(--tr-base);
    transform-origin: center;
}

/* Hamburger → X animasyonu */
.hamburger[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.hamburger[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
.hamburger[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   9. HERO BÖLÜMÜ
   ============================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    background: var(--grad-primary);
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: var(--navbar-h);
}

/* Particle canvas arka planı */
#particles-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    /* Kendi composite layer'ına al — sürekli repaint badge'leri titretmesin */
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* Dekoratif yüzen şekiller */
.hero-shapes {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.055;
    animation: shapeFloat 9s ease-in-out infinite;
}

.shape-1 {
    width: 550px;
    height: 550px;
    background: var(--clr-gold);
    top: -180px;
    right: -100px;
    animation-delay: 0s;
}

.shape-2 {
    width: 380px;
    height: 380px;
    background: #e94560;
    bottom: -80px;
    left: -80px;
    animation-delay: 2.5s;
}

.shape-3 {
    width: 180px;
    height: 180px;
    background: var(--clr-gold-light);
    top: 45%;
    left: 28%;
    animation-delay: 5s;
    opacity: 0.035;
}

/* Hero içerik grid */
.hero-container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-16);
    align-items: center;
    padding-top: var(--sp-16);
    padding-bottom: var(--sp-12);
    width: 100%;
}

/* Sol: metin */
.hero-text {
    color: var(--clr-white);
    animation: fadeInUp 0.9s ease both;
}

/* Lokasyon rozeti */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    background: rgba(245, 166, 35, 0.14);
    border: 1px solid rgba(245, 166, 35, 0.30);
    color: var(--clr-gold);
    padding: var(--sp-2) var(--sp-4);
    border-radius: var(--r-full);
    font-size: var(--fs-sm);
    font-weight: 500;
    margin-bottom: var(--sp-6);
    letter-spacing: 0.4px;
}

.hero-badge i { font-size: 0.8rem; }

/* İsim */
.hero-title {
    font-size: clamp(2.6rem, 5vw, var(--fs-6xl));
    font-weight: 800;
    line-height: 1.05;
    margin-bottom: var(--sp-3);
    letter-spacing: -1.5px;
}

.hero-name {
    display: block;
    background: var(--grad-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Unvan */
.hero-subtitle {
    font-size: clamp(var(--fs-lg), 2.2vw, var(--fs-2xl));
    font-weight: 500;
    color: rgba(255, 255, 255, 0.82);
    margin-bottom: var(--sp-4);
    letter-spacing: 0.5px;
}

/* Açıklama */
.hero-description {
    font-size: var(--fs-base);
    color: rgba(255, 255, 255, 0.72);
    max-width: 480px;
    line-height: 1.85;
    margin-bottom: var(--sp-8);
}

/* CTA butonları */
.hero-actions {
    display: flex;
    gap: var(--sp-4);
    flex-wrap: wrap;
    margin-bottom: var(--sp-10);
}

/* İstatistik sayaçları */
.hero-stats {
    display: flex;
    align-items: center;
    gap: var(--sp-8);
}

.hero-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
}

.stat-number {
    font-size: clamp(var(--fs-3xl), 3vw, var(--fs-5xl));
    font-weight: 800;
    color: var(--clr-gold);
    line-height: 1;
    display: block;
}

.stat-plus {
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--clr-gold);
    vertical-align: super;
    margin-left: 2px;
    line-height: 1;
}

.stat-label {
    font-size: var(--fs-xs);
    color: rgba(255, 255, 255, 0.65);
    text-transform: uppercase;
    letter-spacing: 1.2px;
    margin-top: var(--sp-1);
    white-space: nowrap;
}

.hero-stat-divider {
    width: 1px;
    height: 48px;
    background: rgba(255, 255, 255, 0.18);
    flex-shrink: 0;
}

/* Sağ: Profil fotoğrafı */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    /* Animasyon bittikten sonra composite layer'ı koru — badge titremesini önler */
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
    animation: fadeInRight 1s ease 0.3s both;
}

.profile-frame {
    position: relative;
    width: 340px;
    max-width: 100%;
    /* Badge animasyonlarını canvas repaint'inden tamamen izole et */
    isolation: isolate;
    transform: translateZ(0);
    will-change: transform;
    contain: layout;
}

/* Fotoğraf kabı */
.profile-img-wrapper {
    width: 300px;
    height: 300px;
    margin: 0 auto;
    border-radius: var(--r-xl);
    overflow: hidden;
    border: 3px solid rgba(245, 166, 35, 0.35);
    box-shadow: var(--shadow-xl), 0 0 0 8px rgba(245, 166, 35, 0.08);
    position: relative;
    background: rgba(255, 255, 255, 0.06);
    /* Reflow'u izole et — yanındaki badge animasyonlarının titremesini önler */
    transform: translateZ(0);
    will-change: transform;
    isolation: isolate;
}

.profile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    display: block;
}

/* Fotoğraf yokken gösterilen placeholder */
.profile-placeholder {
    width: 100%;
    height: 100%;
    background: var(--grad-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: var(--clr-primary);
}

/* Profil fotoğrafının üstüne binen animasyonlu halka */
.profile-img-wrapper::after {
    content: '';
    position: absolute;
    inset: -6px;
    border-radius: calc(var(--r-xl) + 6px);
    border: 2px solid rgba(245, 166, 35, 0.28);
    animation: pulseRing 2.5s ease infinite;
}

/* Yüzen rozet kartları */
.float-badge {
    position: absolute;
    background: var(--clr-white);
    border-radius: var(--r-md);
    padding: var(--sp-2) var(--sp-4);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    font-size: var(--fs-sm);
    font-weight: 700;
    color: var(--clr-gray-800);
    white-space: nowrap;
    /* Bağımsız GPU katmanı — canvas repaint ve diğer animasyonlardan izole */
    will-change: transform;
    transform: translate3d(0, 0, 0);
    backface-visibility: hidden;
    contain: layout style;
    animation: floatY 4s cubic-bezier(0.45, 0, 0.55, 1) infinite;
}

.float-badge i {
    color: var(--clr-gold);
    font-size: var(--fs-base);
}

.badge-tl {
    top: -16px;
    right: -16px;
    animation-delay: 0s;
}

.badge-br {
    bottom: -16px;
    left: -16px;
    animation-delay: 1.5s;
}

/* Aşağı kaydır göstergesi */
.scroll-hint {
    position: absolute;
    bottom: var(--sp-8);
    left: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-1);
    color: rgba(255, 255, 255, 0.50);
    font-size: var(--fs-xs);
    letter-spacing: 2px;
    text-transform: uppercase;
    z-index: 2;
    /* GPU katmanı — titreme önleme */
    will-change: transform;
    backface-visibility: hidden;
    animation: bounceDown 2s ease infinite;
}

.scroll-hint i { font-size: 1rem; }

/* ============================================================
   10. HAKKIMDA BÖLÜMÜ
   ============================================================ */
.about {
    background: var(--clr-light-bg);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-16);
    align-items: center;
}

.about-photo-col {
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-photo-frame {
    position: relative;
    width: 100%;
    max-width: 400px;
}

.about-photo {
    width: 100%;
    aspect-ratio: 4/5;
    object-fit: cover;
    object-position: top center;
    border-radius: var(--r-xl);
    display: block;
    box-shadow: var(--shadow-xl);
    position: relative;
    z-index: 1;
}

.about-photo-placeholder {
    width: 100%;
    aspect-ratio: 4/5;
    background: linear-gradient(135deg, var(--clr-gold) 0%, var(--clr-gold-light) 100%);
    border-radius: var(--r-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: rgba(255, 255, 255, 0.45);
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 1;
}

.about-photo-deco {
    position: absolute;
    bottom: -16px;
    right: -16px;
    width: 75%;
    height: 75%;
    border: 3px solid var(--clr-gold);
    border-radius: var(--r-xl);
    opacity: 0.22;
    z-index: 0;
    pointer-events: none;
}

.about-content-col {
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
}

.about-heading {
    font-size: clamp(var(--fs-xl), 2.2vw, var(--fs-2xl));
    font-weight: 700;
    color: var(--clr-gray-800);
    line-height: 1.3;
    margin-bottom: var(--sp-2);
}

.about-text {
    font-size: var(--fs-base);
    color: var(--clr-gray-600);
    line-height: 1.85;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--sp-4);
    margin-top: var(--sp-4);
}

.feature-card {
    display: flex;
    align-items: flex-start;
    gap: var(--sp-4);
    background: var(--clr-white);
    border-radius: var(--r-md);
    padding: var(--sp-4) var(--sp-5);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--clr-gray-200);
    transition: var(--tr-base);
    opacity: 0;
    transform: translateY(20px);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(245, 166, 35, 0.30);
}

.feature-card:active {
    transform: translateY(-2px);
}

.feature-icon {
    width: 46px;
    height: 46px;
    background: var(--grad-gold);
    border-radius: var(--r-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--fs-lg);
    color: var(--clr-primary);
    flex-shrink: 0;
    box-shadow: var(--shadow-gold);
}

.feature-body h4 {
    font-size: var(--fs-base);
    font-weight: 700;
    color: var(--clr-gray-800);
    margin-bottom: var(--sp-1);
    line-height: 1.3;
}

.feature-body p {
    font-size: var(--fs-sm);
    color: var(--clr-gray-600);
    line-height: 1.65;
}

/* ============================================================
   11. HİZMETLER BÖLÜMÜ
   ============================================================ */
.services {
    background: var(--clr-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-8);
}

.service-card {
    background: var(--clr-white);
    border: 1px solid var(--clr-gray-200);
    border-radius: var(--r-lg);
    padding: var(--sp-8) var(--sp-6);
    text-align: center;
    cursor: pointer;
    transition: var(--tr-base);
    opacity: 0;
    transform: translateY(30px);
    outline: none;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(245, 166, 35, 0.35);
    box-shadow: 0 24px 48px rgba(245, 166, 35, 0.12);
}

.service-card:active {
    transform: translateY(-4px);
}

.service-card:focus-visible {
    outline: 2px solid var(--clr-gold);
    outline-offset: 4px;
}

.service-icon-wrap {
    width: 76px;
    height: 76px;
    background: var(--grad-gold);
    border-radius: var(--r-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.9rem;
    color: var(--clr-primary);
    margin: 0 auto var(--sp-5);
    box-shadow: var(--shadow-gold);
    transition: var(--tr-base);
}

.service-card:hover .service-icon-wrap {
    transform: scale(1.1) rotate(-5deg);
}

.service-card h3 {
    font-size: var(--fs-lg);
    font-weight: 700;
    color: var(--clr-gray-800);
    margin-bottom: var(--sp-3);
    line-height: 1.3;
}

.service-card p {
    font-size: var(--fs-sm);
    color: var(--clr-gray-600);
    line-height: 1.8;
}

/* ============================================================
   12. PROJELER BÖLÜMÜ
   ============================================================ */
.projects {
    background: var(--clr-light-bg);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--sp-8);
}

.project-card {
    background: var(--clr-white);
    border-radius: var(--r-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--tr-base);
    display: flex;
    flex-direction: column;
    opacity: 0;
    transform: translateY(30px);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.project-card:active {
    transform: translateY(-4px);
}

.project-img-wrap {
    position: relative;
    width: 100%;
    height: 240px;
    overflow: hidden;
    background: var(--clr-gray-100);
}

.project-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transition: transform 0.5s ease;
}

.project-card:hover .project-img {
    transform: scale(1.06);
}

.project-img-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--clr-gold) 0%, var(--clr-gold-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem;
    color: rgba(255, 255, 255, 0.45);
}

.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(to top, rgba(0,0,0,0.18), transparent);
    pointer-events: none;
}

.project-body {
    padding: var(--sp-6);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
}

.project-title {
    font-size: var(--fs-lg);
    font-weight: 700;
    color: var(--clr-gray-800);
    line-height: 1.3;
}

.project-desc {
    font-size: var(--fs-sm);
    color: var(--clr-gray-600);
    line-height: 1.8;
    flex-grow: 1;
}

.project-tags {
    display: flex;
    gap: var(--sp-2);
    flex-wrap: wrap;
}

.tag {
    display: inline-block;
    background: rgba(245, 166, 35, 0.10);
    color: var(--clr-gold-dark);
    border: 1px solid rgba(245, 166, 35, 0.28);
    padding: 3px var(--sp-3);
    border-radius: var(--r-full);
    font-size: var(--fs-xs);
    font-weight: 600;
    letter-spacing: 0.3px;
}

.project-btn {
    margin-top: var(--sp-2);
    align-self: flex-start;
    padding: 10px 24px;
}

/* ============================================================
   13. İLETİŞİM BÖLÜMÜ
   ============================================================ */
.contact {
    background: linear-gradient(135deg, var(--clr-primary-mid) 0%, var(--clr-secondary) 100%);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--sp-12);
    align-items: flex-start;
}

/* Info kartları kolonu */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--sp-5);
}

.info-card {
    display: flex;
    align-items: flex-start;
    gap: var(--sp-4);
    background: rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--r-lg);
    padding: var(--sp-5) var(--sp-6);
    transition: var(--tr-base);
    opacity: 0;
    transform: translateY(20px);
}

.info-card:hover {
    background: rgba(255, 255, 255, 0.11);
    border-color: rgba(245, 166, 35, 0.30);
    transform: translateY(-4px);
}

.info-card:active {
    transform: translateY(-2px);
}

.info-card-icon {
    width: 52px;
    height: 52px;
    background: var(--grad-gold);
    border-radius: var(--r-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--clr-primary);
    flex-shrink: 0;
    box-shadow: var(--shadow-gold);
}

.info-card-body h3 {
    font-size: var(--fs-base);
    font-weight: 700;
    color: var(--clr-white);
    margin-bottom: var(--sp-2);
    line-height: 1.3;
}

.info-card-body address,
.info-card-body p {
    font-size: var(--fs-sm);
    color: rgba(255, 255, 255, 0.80);
    line-height: 1.75;
}

/* Telefon / e-posta linkleri */
.contact-link {
    display: block;
    font-size: var(--fs-sm);
    color: rgba(255, 255, 255, 0.80);
    font-weight: 500;
    transition: var(--tr-fast);
    line-height: 1.6;
}

.contact-link:hover {
    color: var(--clr-gold);
}

/* WhatsApp butonu */
.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    margin-top: var(--sp-3);
    background: var(--clr-whatsapp);
    color: var(--clr-white);
    padding: 8px 18px;
    border-radius: var(--r-full);
    font-size: var(--fs-sm);
    font-weight: 600;
    transition: var(--tr-base);
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.30);
}

.btn-whatsapp:hover {
    background: #1ebe5d;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.40);
}

.btn-whatsapp:active {
    transform: translateY(0);
}

/* Form kutusu */
.contact-form-box {
    background: rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--r-lg);
    padding: var(--sp-8);
}

.form-title {
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--clr-white);
    margin-bottom: var(--sp-6);
    line-height: 1.3;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
}

/* İki sütun satırı */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-4);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
}

.form-group label {
    font-size: var(--fs-sm);
    font-weight: 600;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 0.2px;
}

/* Zorunlu alan işareti */
.required {
    color: var(--clr-gold);
    margin-left: 2px;
}

.contact-form input,
.contact-form textarea {
    background: rgba(255, 255, 255, 0.09);
    border: 1px solid rgba(255, 255, 255, 0.20);
    border-radius: var(--r-md);
    padding: var(--sp-3) var(--sp-4);
    color: var(--clr-white);
    font-family: var(--font-main);
    font-size: var(--fs-sm);
    transition: var(--tr-base);
    width: 100%;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: rgba(255, 255, 255, 0.42);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.14);
    border-color: rgba(245, 166, 35, 0.55);
    box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.12);
}

.contact-form textarea {
    resize: vertical;
    min-height: 130px;
}

/* ============================================================
   14. FOOTER
   ============================================================ */
.footer {
    background: var(--clr-primary);
    color: rgba(255, 255, 255, 0.78);
    padding: var(--sp-16) 0 var(--sp-6);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: var(--sp-8);
    margin-bottom: var(--sp-8);
}

/* Marka */
.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    margin-bottom: var(--sp-4);
}

.footer-logo {
    width: 40px;
    height: 40px;
    background: var(--grad-gold);
    border-radius: var(--r-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: var(--fs-lg);
    color: var(--clr-primary);
    flex-shrink: 0;
}

.footer-brand-name {
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--clr-white);
}

.footer-about {
    font-size: var(--fs-sm);
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: var(--sp-5);
}

/* Hızlı iletişim linkleri */
.footer-quick-contact {
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
}

.footer-contact-link {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    font-size: var(--fs-sm);
    color: rgba(255, 255, 255, 0.70);
    transition: var(--tr-fast);
}

.footer-contact-link i {
    color: var(--clr-gold);
    width: 16px;
    flex-shrink: 0;
}

.footer-contact-link:hover {
    color: var(--clr-gold);
}

/* Footer başlıklar */
.footer-heading {
    font-size: var(--fs-base);
    font-weight: 700;
    color: var(--clr-white);
    margin-bottom: var(--sp-4);
    letter-spacing: 0.3px;
}

/* Navigasyon linkleri */
.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
}

.footer-links a {
    font-size: var(--fs-sm);
    color: rgba(255, 255, 255, 0.65);
    transition: var(--tr-base);
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
}

.footer-links a i {
    font-size: 0.65rem;
    color: var(--clr-gold);
    transition: var(--tr-base);
}

.footer-links a:hover {
    color: var(--clr-gold);
    transform: translateX(4px);
}

/* Sosyal medya ikonları */
.social-links {
    display: flex;
    gap: var(--sp-3);
    flex-wrap: wrap;
    margin-bottom: var(--sp-5);
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.09);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--fs-base);
    color: rgba(255, 255, 255, 0.75);
    transition: var(--tr-base);
}

.social-link:hover {
    background: var(--grad-gold);
    color: var(--clr-primary);
    border-color: transparent;
    transform: translateY(-4px);
    box-shadow: var(--shadow-gold);
}

.social-link:active {
    transform: translateY(-2px);
}

/* Lokasyon rozeti */
.footer-location {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    background: rgba(245, 166, 35, 0.10);
    border: 1px solid rgba(245, 166, 35, 0.22);
    color: var(--clr-gold);
    padding: var(--sp-2) var(--sp-4);
    border-radius: var(--r-full);
    font-size: var(--fs-xs);
    font-weight: 600;
}

.footer-location i {
    font-size: 0.75rem;
}

/* Alt çizgi */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.10);
    padding-top: var(--sp-5);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--sp-2);
    font-size: var(--fs-xs);
    color: rgba(255, 255, 255, 0.45);
}

.footer-domain {
    font-weight: 600;
    color: rgba(245, 166, 35, 0.70);
    letter-spacing: 0.5px;
}

/* ============================================================
   15. SCROLL TO TOP BUTONU
   ============================================================ */
.scroll-top-btn {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 48px;
    height: 48px;
    background: var(--grad-gold);
    color: var(--clr-primary);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--fs-base);
    box-shadow: var(--shadow-gold);
    cursor: pointer;
    transition: var(--tr-bounce);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px);
}

.scroll-top-btn.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top-btn:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-gold-hover);
}

.scroll-top-btn:active {
    transform: translateY(-2px);
}

/* ============================================================
   16. TOAST BİLDİRİM
   ============================================================ */
.toast {
    position: fixed;
    top: 90px;
    right: 24px;
    min-width: 280px;
    max-width: 360px;
    padding: var(--sp-4) var(--sp-5);
    border-radius: var(--r-md);
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--clr-white);
    box-shadow: var(--shadow-lg);
    z-index: 9999;
    animation: toastIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

.toast.toast--success { background: #16a34a; }
.toast.toast--error   { background: #dc2626; }

.toast i { font-size: var(--fs-lg); flex-shrink: 0; }

.toast.toast--out {
    animation: toastOut 0.35s ease forwards;
}

@keyframes toastIn {
    from { opacity: 0; transform: translateX(100%); }
    to   { opacity: 1; transform: translateX(0);    }
}

@keyframes toastOut {
    from { opacity: 1; transform: translateX(0);    }
    to   { opacity: 0; transform: translateX(110%); }
}

/* ============================================================
   17. RESPONSİVE — TABLET (max-width: 1024px)
   ============================================================ */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--sp-8);
    }

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

/* ============================================================
   18. RESPONSİVE — MOBİL (max-width: 768px)
   ============================================================ */
@media (max-width: 768px) {
    /* Genel section padding azalt */
    section {
        padding: var(--sp-16) 0;
    }

    .section-header {
        margin-bottom: var(--sp-10);
    }

    .container {
        padding: 0 var(--sp-4);
    }

    /* Hamburger menü aktif */
    .hamburger {
        display: flex;
    }

    /* Mobil nav menüsü */
    .nav-menu {
        position: fixed;
        top: var(--navbar-h);
        left: 0;
        width: 100%;
        height: calc(100vh - var(--navbar-h));
        background: rgba(26, 26, 46, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--sp-2);
        transform: translateX(-100%);
        transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        overflow-y: auto;
        padding: var(--sp-8) 0;
    }

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

    .nav-link {
        font-size: var(--fs-lg);
        padding: var(--sp-3) var(--sp-8);
        width: auto;
        display: block;
        text-align: center;
    }

    /* Hero: tek sütun */
    .hero-container {
        grid-template-columns: 1fr;
        padding-top: var(--sp-12);
        padding-bottom: var(--sp-16);
        gap: var(--sp-8);
        text-align: center;
    }

    .hero-badge {
        justify-content: center;
    }

    .hero-description {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
        gap: var(--sp-6);
    }

    /* Hero: profil fotoğrafı mobilde üste küçük */
    .hero-visual {
        order: -1;
    }

    .profile-frame {
        width: 220px;
        margin: 0 auto;
    }

    .profile-img-wrapper {
        width: 200px;
        height: 200px;
    }

    .float-badge {
        display: none; /* Küçük ekranda rozetler yeri daraltıyor */
    }

    /* Scroll hint mobilde gizle */
    .scroll-hint {
        display: none;
    }

    /* About: tek sütun */
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--sp-8);
    }

    .about-photo-frame {
        max-width: 280px;
        margin: 0 auto;
    }

    /* Services: tek sütun */
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--sp-5);
    }

    /* Projects: tek sütun */
    .projects-grid {
        grid-template-columns: 1fr;
    }

    /* Contact form-row: tek sütun */
    .form-row {
        grid-template-columns: 1fr;
    }

    .contact-form-box {
        padding: var(--sp-6);
    }

    /* Footer: tek sütun */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--sp-6);
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: var(--sp-1);
    }

    /* Scroll to top: biraz daha içeride */
    .scroll-top-btn {
        bottom: 20px;
        right: 16px;
        width: 44px;
        height: 44px;
    }
}

/* ============================================================
   19. RESPONSİVE — KÜÇÜK MOBİL (max-width: 480px)
   ============================================================ */
@media (max-width: 480px) {
    section {
        padding: var(--sp-12) 0;
    }

    .container {
        padding: 0 var(--sp-3);
    }

    /* Hero başlık küçüt */
    .hero-title {
        font-size: clamp(2rem, 8vw, 2.8rem);
    }

    .hero-subtitle {
        font-size: var(--fs-lg);
    }

    /* Butonlar tam genişlik */
    .hero-actions {
        flex-direction: column;
        gap: var(--sp-3);
    }

    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }

    /* Stats sayı büyüklüğü */
    .stat-number {
        font-size: var(--fs-3xl);
    }

    /* Section başlık */
    .section-title {
        font-size: clamp(1.5rem, 6vw, 1.9rem);
    }

    .section-desc {
        font-size: var(--fs-base);
    }

    /* Proje img yüksekliği */
    .project-img-wrap {
        height: 200px;
    }

    /* Toast konumu */
    .toast {
        top: 80px;
        right: 12px;
        left: 12px;
        min-width: unset;
        max-width: unset;
    }
}

/* ============================================================
   20. PRINT & REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

@media print {
    .navbar,
    .preloader,
    .scroll-top-btn,
    .scroll-hint,
    #particles-canvas {
        display: none !important;
    }
    body { background: white; color: black; }
}