/* ==========================================================================
   SER POLİKARBON — Ana Stil Dosyası (main.css)
   SERPOLIKARBON_SITE_MIMARISI_VE_TUM_SAYFALAR.md (Bölüm 33: Tasarım Yönü)
   %100 Yerel CSS, Sıfır Harici CDN, Yüksek Performans & Endüstriyel Yapı Kimliği
   ========================================================================== */

/* Modern CSS Reset & Kurumsal Değişkenler */
*, ::before, ::after {
    box-sizing: border-box;
    border-width: 0;
    border-style: solid;
    border-color: #d9e2ec;
}

:root {
    /* SER POLİKARBON Resmi Mimari Renk Paleti (Bölüm 33) */
    --navy: #102a43;           /* Ana Lacivert: Güven veren kurumsal/endüstriyel ton */
    --navy-dark: #0b1d30;      /* Koyu Lacivert zeminler */
    --navy-light: #1a365d;     /* Orta Lacivert */
    --blue: #1677ff;           /* Teknik Mavi: Fonksiyonel bağlantılar ve birincil aksiyonlar */
    --blue-dark: #0958d9;      /* Koyu Teknik Mavi */
    --blue-light: #e6f4ff;     /* Açık Teknik Mavi zemin */
    --teal: #00a6a6;           /* Turkuaz Vurgu: Polikarbon ışık geçirgenliği ve şeffaflık */
    --teal-dark: #008080;      /* Koyu Turkuaz */
    --teal-light: #e6f7f7;     /* Açık Turkuaz zemin */
    --orange: #f28c28;         /* Fiyat/CTA Turuncu: Teklif ve şantiye aksiyon butonu */
    --orange-dark: #d97706;    /* Koyu Turuncu Hover */
    --orange-light: #fff7ed;   /* Açık Turuncu etiket zemini */
    --bg-light: #f4f7fa;       /* Açık Zemin: Mimari ferah arka plan */
    --text-dark: #17212b;      /* Koyu Metin: Yüksek kontrastlı okunabilir gövde metni */
    --text-muted: #627d98;     /* İkincil açıklama metinleri */
    --border-color: #d9e2ec;   /* Standart kurumsal kenarlık */
    --whatsapp: #25d366;       /* WhatsApp yeşili */
    --whatsapp-dark: #20ba59;  /* WhatsApp hover */
}

html {
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
    tab-size: 4;
    font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    line-height: inherit;
    background-color: var(--bg-light);
    color: var(--text-dark);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Tipografi & Temel Elemanlar */
h1, h2, h3, h4, h5, h6 {
    font-size: inherit;
    font-weight: inherit;
    margin: 0;
}

p {
    margin: 0;
}

a {
    color: inherit;
    text-decoration: inherit;
}

button, input, optgroup, select, textarea {
    font-family: inherit;
    font-size: 100%;
    font-weight: inherit;
    line-height: inherit;
    color: inherit;
    margin: 0;
    padding: 0;
}

table {
    text-indent: 0;
    border-color: inherit;
    border-collapse: collapse;
}

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

/* Base Utility Katmanı */
.scroll-smooth { scroll-behavior: smooth; }
.font-sans { font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; }
.antialiased { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }
.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-grow { flex-grow: 1; }
.flex-1 { flex: 1 1 0%; }
.flex-wrap { flex-wrap: wrap; }
.flex-shrink-0 { flex-shrink: 0; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.items-baseline { align-items: baseline; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

.col-span-1 { grid-column: span 1 / span 1; }
.col-span-2 { grid-column: span 2 / span 2; }
.col-span-3 { grid-column: span 3 / span 3; }
.col-span-4 { grid-column: span 4 / span 4; }
.col-span-full { grid-column: 1 / -1; }

/* Dikey ve Yatay Spacing (space-y-*, space-x-*) */
.space-y-0 > * + * { margin-top: 0px; }
.space-y-1 > * + * { margin-top: 0.25rem; }
.space-y-1\.5 > * + * { margin-top: 0.375rem; }
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-2\.5 > * + * { margin-top: 0.625rem; }
.space-y-3 > * + * { margin-top: 0.75rem; }
.space-y-3\.5 > * + * { margin-top: 0.875rem; }
.space-y-4 > * + * { margin-top: 1rem; }
.space-y-5 > * + * { margin-top: 1.25rem; }
.space-y-6 > * + * { margin-top: 1.5rem; }
.space-y-8 > * + * { margin-top: 2rem; }
.space-y-10 > * + * { margin-top: 2.5rem; }
.space-y-12 > * + * { margin-top: 3rem; }

.space-x-1 > * + * { margin-left: 0.25rem; }
.space-x-2 > * + * { margin-left: 0.5rem; }
.space-x-3 > * + * { margin-left: 0.75rem; }
.space-x-4 > * + * { margin-left: 1rem; }

/* Responsive Breakpoints */
@media (min-width: 640px) {
    .sm\:hidden { display: none; }
    .sm\:block { display: block; }
    .sm\:inline-block { display: inline-block; }
    .sm\:flex { display: flex; }
    .sm\:inline-flex { display: inline-flex; }
    .sm\:flex-row { flex-direction: row; }
    .sm\:flex-col { flex-direction: column; }
    .sm\:items-center { align-items: center; }
    .sm\:items-start { align-items: flex-start; }
    .sm\:justify-between { justify-content: space-between; }
    .sm\:justify-center { justify-content: center; }
    .sm\:grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
    .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .sm\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .sm\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .sm\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
    .sm\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
    .sm\:col-span-1 { grid-column: span 1 / span 1; }
    .sm\:col-span-2 { grid-column: span 2 / span 2; }
    .sm\:col-span-full { grid-column: 1 / -1; }
    .sm\:gap-3 { gap: 0.75rem; }
    .sm\:gap-4 { gap: 1rem; }
    .sm\:gap-6 { gap: 1.5rem; }
    .sm\:gap-8 { gap: 2rem; }
    .sm\:text-xs { font-size: 0.75rem; line-height: 1rem; }
    .sm\:text-sm { font-size: 0.875rem; line-height: 1.25rem; }
    .sm\:text-base { font-size: 1rem; line-height: 1.5rem; }
    .sm\:text-lg { font-size: 1.125rem; line-height: 1.75rem; }
    .sm\:text-xl { font-size: 1.25rem; line-height: 1.75rem; }
    .sm\:text-2xl { font-size: 1.5rem; line-height: 2rem; }
    .sm\:text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
    .sm\:text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
    .sm\:text-5xl { font-size: 3rem; line-height: 1; }
    .sm\:text-left { text-align: left; }
    .sm\:text-center { text-align: center; }
    .sm\:p-4 { padding: 1rem; }
    .sm\:p-5 { padding: 1.25rem; }
    .sm\:p-6 { padding: 1.5rem; }
    .sm\:p-7 { padding: 1.75rem; }
    .sm\:p-8 { padding: 2rem; }
    .sm\:p-10 { padding: 2.5rem; }
    .sm\:p-12 { padding: 3rem; }
    .sm\:p-14 { padding: 3.5rem; }
    .sm\:p-16 { padding: 4rem; }
    .sm\:px-4 { padding-left: 1rem; padding-right: 1rem; }
    .sm\:px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
    .sm\:px-8 { padding-left: 2rem; padding-right: 2rem; }
    .sm\:py-4 { padding-top: 1rem; padding-bottom: 1rem; }
    .sm\:py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
    .sm\:py-8 { padding-top: 2rem; padding-bottom: 2rem; }
    .sm\:py-12 { padding-top: 3rem; padding-bottom: 3rem; }
    .sm\:mx-0 { margin-left: 0; margin-right: 0; }
    .sm\:mb-14 { margin-bottom: 3.5rem; }
    .sm\:w-auto { width: auto; }
    .sm\:w-full { width: 100%; }
}

@media (min-width: 768px) {
    .md\:hidden { display: none; }
    .md\:block { display: block; }
    .md\:flex { display: flex; }
    .md\:inline-flex { display: inline-flex; }
    .md\:inline-block { display: inline-block; }
    .md\:flex-row { flex-direction: row; }
    .md\:flex-col { flex-direction: column; }
    .md\:items-center { align-items: center; }
    .md\:items-start { align-items: flex-start; }
    .md\:items-end { align-items: flex-end; }
    .md\:justify-between { justify-content: space-between; }
    .md\:justify-center { justify-content: center; }
    .md\:grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
    .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .md\:col-span-1 { grid-column: span 1 / span 1; }
    .md\:col-span-2 { grid-column: span 2 / span 2; }
    .md\:col-span-3 { grid-column: span 3 / span 3; }
    .md\:text-left { text-align: left; }
    .md\:text-center { text-align: center; }
    .md\:text-right { text-align: right; }
    .md\:mt-0 { margin-top: 0; }
    .md\:mb-0 { margin-bottom: 0; }
    .md\:p-6 { padding: 1.5rem; }
    .md\:p-8 { padding: 2rem; }
    .md\:p-10 { padding: 2.5rem; }
    .md\:px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
    .md\:px-8 { padding-left: 2rem; padding-right: 2rem; }
    .md\:py-8 { padding-top: 2rem; padding-bottom: 2rem; }
    .md\:py-10 { padding-top: 2.5rem; padding-bottom: 2.5rem; }
    .md\:pb-0 { padding-bottom: 0; }
    .md\:pt-0 { padding-top: 0; }
    .md\:w-1\/2 { width: 50%; }
    .md\:w-auto { width: auto; }
    .md\:w-full { width: 100%; }
    .md\:gap-6 { gap: 1.5rem; }
    .md\:gap-8 { gap: 2rem; }
    .md\:text-base { font-size: 1rem; line-height: 1.5rem; }
    .md\:text-lg { font-size: 1.125rem; line-height: 1.75rem; }
    .md\:text-xl { font-size: 1.25rem; line-height: 1.75rem; }
    .md\:text-2xl { font-size: 1.5rem; line-height: 2rem; }
    .md\:text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
}

@media (min-width: 1024px) {
    .lg\:flex { display: flex; }
    .lg\:hidden { display: none; }
    .lg\:block { display: block; }
    .lg\:inline-flex { display: inline-flex; }
    .lg\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .lg\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
    .lg\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
    .lg\:grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
    .lg\:col-span-2 { grid-column: span 2 / span 2; }
    .lg\:col-span-3 { grid-column: span 3 / span 3; }
    .lg\:col-span-4 { grid-column: span 4 / span 4; }
    .lg\:col-span-5 { grid-column: span 5 / span 5; }
    .lg\:col-span-6 { grid-column: span 6 / span 6; }
    .lg\:col-span-7 { grid-column: span 7 / span 7; }
    .lg\:col-span-8 { grid-column: span 8 / span 8; }
    .lg\:col-span-9 { grid-column: span 9 / span 9; }
    .lg\:gap-6 { gap: 1.5rem; }
    .lg\:gap-8 { gap: 2rem; }
    .lg\:gap-10 { gap: 2.5rem; }
    .lg\:gap-12 { gap: 3rem; }
    .lg\:p-12 { padding: 3rem; }
    .lg\:p-14 { padding: 3.5rem; }
    .lg\:p-16 { padding: 4rem; }
    .lg\:px-8 { padding-left: 2rem; padding-right: 2rem; }
    .lg\:py-10 { padding-top: 2.5rem; padding-bottom: 2.5rem; }
    .lg\:py-12 { padding-top: 3rem; padding-bottom: 3rem; }
    .lg\:py-14 { padding-top: 3.5rem; padding-bottom: 3.5rem; }
    .lg\:py-16 { padding-top: 4rem; padding-bottom: 4rem; }
    .lg\:text-lg { font-size: 1.125rem; line-height: 1.75rem; }
    .lg\:text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
    .lg\:text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
    .lg\:text-5xl { font-size: 3rem; line-height: 1; }
    .lg\:text-6xl { font-size: 3.75rem; line-height: 1; }
}

@media (min-width: 1280px) {
    .xl\:gap-2 { gap: 0.5rem; }
    .xl\:gap-4 { gap: 1rem; }
    .xl\:gap-6 { gap: 1.5rem; }
}

/* Aralık ve Boşluklar (Spacings) */
.gap-1 { gap: 0.25rem; }
.gap-1\.5 { gap: 0.375rem; }
.gap-2 { gap: 0.5rem; }
.gap-2\.5 { gap: 0.625rem; }
.gap-3 { gap: 0.75rem; }
.gap-3\.5 { gap: 0.875rem; }
.gap-4 { gap: 1rem; }
.gap-5 { gap: 1.25rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-10 { gap: 2.5rem; }
.gap-12 { gap: 3rem; }
.gap-x-2\.5 { column-gap: 0.625rem; }
.gap-y-1 { row-gap: 0.25rem; }

.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-2\.5 { padding: 0.625rem; }
.p-3 { padding: 0.75rem; }
.p-3\.5 { padding: 0.875rem; }
.p-4 { padding: 1rem; }
.p-5 { padding: 1.25rem; }
.p-6 { padding: 1.5rem; }
.p-7 { padding: 1.75rem; }
.p-8 { padding: 2rem; }
.p-10 { padding: 2.5rem; }
.p-12 { padding: 3rem; }
.p-14 { padding: 3.5rem; }
.p-16 { padding: 4rem; }

.px-1 { padding-left: 0.25rem; padding-right: 0.25rem; }
.px-1\.5 { padding-left: 0.375rem; padding-right: 0.375rem; }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-2\.5 { padding-left: 0.625rem; padding-right: 0.625rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-3\.5 { padding-left: 0.875rem; padding-right: 0.875rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-5 { padding-left: 1.25rem; padding-right: 1.25rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-7 { padding-left: 1.75rem; padding-right: 1.75rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }

.py-0\.5 { padding-top: 0.125rem; padding-bottom: 0.125rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-1\.5 { padding-top: 0.375rem; padding-bottom: 0.375rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-2\.5 { padding-top: 0.625rem; padding-bottom: 0.625rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-3\.5 { padding-top: 0.875rem; padding-bottom: 0.875rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-5 { padding-top: 1.25rem; padding-bottom: 1.25rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.py-10 { padding-top: 2.5rem; padding-bottom: 2.5rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.py-14 { padding-top: 3.5rem; padding-bottom: 3.5rem; }
.py-16 { padding-top: 4rem; padding-bottom: 4rem; }
.py-20 { padding-top: 5rem; padding-bottom: 5rem; }
.py-24 { padding-top: 6rem; padding-bottom: 6rem; }

.pt-0\.5 { padding-top: 0.125rem; }
.pt-1 { padding-top: 0.25rem; }
.pt-2 { padding-top: 0.5rem; }
.pt-3 { padding-top: 0.75rem; }
.pt-3\.5 { padding-top: 0.875rem; }
.pt-4 { padding-top: 1rem; }
.pt-5 { padding-top: 1.25rem; }
.pt-6 { padding-top: 1.5rem; }
.pt-8 { padding-top: 2rem; }
.pt-10 { padding-top: 2.5rem; }
.pt-12 { padding-top: 3rem; }
.pt-16 { padding-top: 4rem; }

.pb-1 { padding-bottom: 0.25rem; }
.pb-2 { padding-bottom: 0.5rem; }
.pb-3 { padding-bottom: 0.75rem; }
.pb-4 { padding-bottom: 1rem; }
.pb-5 { padding-bottom: 1.25rem; }
.pb-6 { padding-bottom: 1.5rem; }
.pb-8 { padding-bottom: 2rem; }
.pb-12 { padding-bottom: 3rem; }
.pb-16 { padding-bottom: 4rem; }
.pb-20 { padding-bottom: 5rem; }

.pl-3 { padding-left: 0.75rem; }
.pl-4 { padding-left: 1rem; }
.pl-5 { padding-left: 1.25rem; }
.pl-11 { padding-left: 2.75rem; }
.pr-3 { padding-right: 0.75rem; }
.pr-4 { padding-right: 1rem; }

.m-0 { margin: 0; }
.mx-auto { margin-left: auto; margin-right: auto; }
.my-2 { margin-top: 0.5rem; margin-bottom: 0.5rem; }
.my-6 { margin-top: 1.5rem; margin-bottom: 1.5rem; }
.my-8 { margin-top: 2rem; margin-bottom: 2rem; }
.my-10 { margin-top: 2.5rem; margin-bottom: 2.5rem; }
.my-12 { margin-top: 3rem; margin-bottom: 3rem; }
.my-14 { margin-top: 3.5rem; margin-bottom: 3.5rem; }
.my-16 { margin-top: 4rem; margin-bottom: 4rem; }

.mt-0\.5 { margin-top: 0.125rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-1\.5 { margin-top: 0.375rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-2\.5 { margin-top: 0.625rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-5 { margin-top: 1.25rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-10 { margin-top: 2.5rem; }

.mb-0\.5 { margin-bottom: 0.125rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-1\.5 { margin-bottom: 0.375rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-2\.5 { margin-bottom: 0.625rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-3\.5 { margin-bottom: 0.875rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-5 { margin-bottom: 1.25rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-10 { margin-bottom: 2.5rem; }
.mb-12 { margin-bottom: 3rem; }
.mb-14 { margin-bottom: 3.5rem; }
.mb-16 { margin-bottom: 4rem; }
.mb-20 { margin-bottom: 5rem; }

/* Boyutlar & Konum */
.w-full { width: 100%; }
.w-auto { width: auto; }
.w-2 { width: 0.5rem; }
.w-2\.5 { width: 0.625rem; }
.w-3 { width: 0.75rem; }
.w-3\.5 { width: 0.875rem; }
.w-4 { width: 1rem; }
.w-5 { width: 1.25rem; }
.w-6 { width: 1.5rem; }
.w-7 { width: 1.75rem; }
.w-8 { width: 2rem; }
.w-10 { width: 2.5rem; }
.w-11 { width: 2.75rem; }
.w-12 { width: 3rem; }
.w-14 { width: 3.5rem; }
.w-20 { width: 5rem; }
.w-32 { width: 8rem; }
.w-64 { width: 16rem; }
.w-80 { width: 20rem; }
.w-96 { width: 24rem; }
.w-\[80\%\] { width: 80%; }

.h-full { height: 100%; }
.h-auto { height: auto; }
.h-2 { height: 0.5rem; }
.h-2\.5 { height: 0.625rem; }
.h-3 { height: 0.75rem; }
.h-3\.5 { height: 0.875rem; }
.h-4 { height: 1rem; }
.h-5 { height: 1.25rem; }
.h-6 { height: 1.5rem; }
.h-7 { height: 1.75rem; }
.h-8 { height: 2rem; }
.h-10 { height: 2.5rem; }
.h-11 { height: 2.75rem; }
.h-12 { height: 3rem; }
.h-14 { height: 3.5rem; }
.h-20 { height: 5rem; }
.h-32 { height: 8rem; }
.h-64 { height: 16rem; }
.h-80 { height: 20rem; }
.h-96 { height: 24rem; }

.max-w-none { max-width: none; }
.max-w-lg { max-width: 32rem; }
.max-w-xl { max-width: 36rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }
.max-w-7xl { max-width: 80rem; }
.max-w-\[320px\] { max-width: 320px; }
.min-h-screen { min-height: 100vh; }
.aspect-video { aspect-ratio: 16 / 9; }
.scroll-mt-24 { scroll-margin-top: 6rem; }
.blur-3xl { filter: blur(64px); }

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }
.top-0 { top: 0; }
.top-1 { top: 0.25rem; }
.top-2 { top: 0.5rem; }
.top-2\.5 { top: 0.625rem; }
.top-3 { top: 0.75rem; }
.top-3\.5 { top: 0.875rem; }
.top-28 { top: 7rem; }
.bottom-0 { bottom: 0; }
.bottom-6 { bottom: 1.5rem; }
.right-0 { right: 0; }
.right-3 { right: 0.75rem; }
.right-3\.5 { right: 0.875rem; }
.right-5 { right: 1.25rem; }
.right-16 { right: 4rem; }
.left-0 { left: 0; }
.left-3\.5 { left: 0.875rem; }
.left-5 { left: 1.25rem; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.top-1\/2 { top: 50%; }
.-translate-y-1\/2 { transform: translateY(-50%); }
.translate-y-0 { transform: translateY(0); }
.translate-y-4 { transform: translateY(1rem); }
.translate-x-0 { transform: translateX(0); }
.translate-x-full { transform: translateX(100%); }
.-top-2\.5 { top: -0.625rem; }
.-right-10 { right: -2.5rem; }
.-bottom-10 { bottom: -2.5rem; }
.-right-16 { right: -4rem; }
.-bottom-16 { bottom: -4rem; }
.-right-24 { right: -6rem; }
.-top-24 { top: -6rem; }
.-left-24 { left: -6rem; }
.-bottom-24 { bottom: -6rem; }

.z-10 { z-index: 10; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }

/* ==========================================================================
   SER POLİKARBON — Kurumsal Renk ve Arka Plan Sınıfları
   ========================================================================== */

/* 1. Kurumsal Lacivert (#102A43) */
.bg-navy { background-color: #102a43; }
.bg-navy-dark { background-color: #0b1d30; }
.bg-navy-light { background-color: #1a365d; }
.bg-navy\/95 { background-color: rgba(16, 42, 67, 0.95); }
.bg-navy\/90 { background-color: rgba(16, 42, 67, 0.9); }
.bg-navy\/50 { background-color: rgba(16, 42, 67, 0.5); }
.bg-navy\/10 { background-color: rgba(16, 42, 67, 0.1); }
.bg-navy-dark\/60 { background-color: rgba(11, 29, 48, 0.6); }

.text-navy { color: #102a43; }
.text-navy-light { color: #243b53; }
.text-navy-pale { color: #829ab1; }
.border-navy { border-color: #102a43; }
.border-navy-light { border-color: #243b53; }

/* 2. Teknik Mavi (#1677FF) */
.bg-technical-blue { background-color: #1677ff; }
.bg-technical-blue-dark { background-color: #0958d9; }
.bg-technical-blue-light { background-color: #e6f4ff; }
.bg-technical-blue\/10 { background-color: rgba(22, 119, 255, 0.1); }
.bg-technical-blue\/20 { background-color: rgba(22, 119, 255, 0.2); }

.text-technical-blue { color: #1677ff; }
.text-technical-blue-dark { color: #0958d9; }
.text-technical-blue-light { color: #91caff; }
.border-technical-blue { border-color: #1677ff; }
.border-technical-blue\/20 { border-color: rgba(22, 119, 255, 0.2); }
.border-technical-blue\/30 { border-color: rgba(22, 119, 255, 0.3); }

/* 3. Turkuaz Vurgu (#00A6A6) - Polikarbon & Işık Geçirgenliği */
.bg-teal-brand { background-color: #00a6a6; }
.bg-teal-brand-dark { background-color: #008080; }
.bg-teal-brand-light { background-color: #e6f7f7; }
.bg-teal-brand\/10 { background-color: rgba(0, 166, 166, 0.1); }
.bg-teal-brand\/20 { background-color: rgba(0, 166, 166, 0.2); }
.bg-teal-50 { background-color: #f0fdfa; }
.bg-teal-50\/60 { background-color: rgba(240, 253, 250, 0.6); }
.bg-teal-50\/70 { background-color: rgba(240, 253, 250, 0.7); }
.bg-teal-100 { background-color: #ccfbf1; }
.bg-teal-500\/20 { background-color: rgba(20, 184, 166, 0.2); }

.text-teal-brand { color: #00a6a6; }
.text-teal-brand-dark { color: #008080; }
.text-teal-brand-light { color: #6ee7b7; }
.text-teal-700 { color: #0f766e; }
.text-teal-800 { color: #115e59; }
.border-teal-brand { border-color: #00a6a6; }
.border-teal-brand\/20 { border-color: rgba(0, 166, 166, 0.2); }
.border-teal-brand\/30 { border-color: rgba(0, 166, 166, 0.3); }
.border-teal-200 { border-color: #99f6e4; }

/* 4. Fiyat/CTA Turuncu (#F28C28) - Teklif & Şantiye Aksiyon Butonu */
.bg-orange-cta { background-color: #f28c28; }
.bg-orange-cta-dark { background-color: #d97706; }
.bg-orange-cta-light { background-color: #fff7ed; }
.bg-orange-cta\/10 { background-color: rgba(242, 140, 40, 0.1); }
.bg-orange-cta\/20 { background-color: rgba(242, 140, 40, 0.2); }
.bg-orange-50 { background-color: #fff7ed; }
.bg-orange-50\/50 { background-color: rgba(255, 247, 237, 0.5); }
.bg-orange-50\/60 { background-color: rgba(255, 247, 237, 0.6); }
.bg-orange-50\/70 { background-color: rgba(255, 247, 237, 0.7); }
.bg-orange-50\/80 { background-color: rgba(255, 247, 237, 0.8); }
.bg-orange-100 { background-color: #ffedd5; }
.bg-orange-200 { background-color: #fed7aa; }

.text-orange-cta { color: #f28c28; }
.text-orange-cta-dark { color: #d97706; }
.text-orange-600 { color: #ea580c; }
.text-orange-700 { color: #c2410c; }
.text-orange-800 { color: #9a3412; }
.text-orange-900 { color: #7c2d12; }
.border-orange-cta { border-color: #f28c28; }
.border-orange-cta\/30 { border-color: rgba(242, 140, 40, 0.3); }
.border-orange-200 { border-color: #fed7aa; }
.border-orange-300 { border-color: #fdba74; }

/* 5. Zemin, Kart ve Metin Renkleri */
.bg-white { background-color: #ffffff; }
.bg-white\/95 { background-color: rgba(255, 255, 255, 0.95); }
.bg-white\/80 { background-color: rgba(255, 255, 255, 0.8); }
.bg-white\/20 { background-color: rgba(255, 255, 255, 0.2); }
.bg-white\/10 { background-color: rgba(255, 255, 255, 0.1); }
.bg-white\/5 { background-color: rgba(255, 255, 255, 0.05); }
.bg-surface-light { background-color: #f4f7fa; }
.bg-slate-50 { background-color: #f8fafc; }
.bg-slate-50\/80 { background-color: rgba(248, 250, 252, 0.8); }
.bg-slate-100 { background-color: #f0f4f8; }
.bg-slate-100\/70 { background-color: rgba(240, 244, 248, 0.7); }
.bg-slate-200 { background-color: #d9e2ec; }
.bg-slate-300 { background-color: #bcccdc; }
.bg-slate-700 { background-color: #334e68; }
.bg-slate-800 { background-color: #243b53; }
.bg-slate-800\/80 { background-color: rgba(36, 59, 83, 0.8); }
.bg-slate-800\/60 { background-color: rgba(36, 59, 83, 0.6); }
.bg-slate-900 { background-color: #102a43; }
.bg-slate-900\/60 { background-color: rgba(16, 42, 67, 0.6); }
.bg-slate-950 { background-color: #0b1d30; }

.bg-blue-50 { background-color: #e6f4ff; }
.bg-blue-50\/80 { background-color: rgba(230, 244, 255, 0.8); }
.bg-blue-50\/70 { background-color: rgba(230, 244, 255, 0.7); }
.bg-blue-50\/60 { background-color: rgba(230, 244, 255, 0.6); }
.bg-blue-50\/50 { background-color: rgba(230, 244, 255, 0.5); }
.bg-blue-50\/20 { background-color: rgba(230, 244, 255, 0.2); }
.bg-blue-100 { background-color: #bae0ff; }
.bg-blue-100\/80 { background-color: rgba(186, 224, 255, 0.8); }
.bg-blue-500\/10 { background-color: rgba(22, 119, 255, 0.1); }
.bg-blue-500\/20 { background-color: rgba(22, 119, 255, 0.2); }
.bg-blue-500\/30 { background-color: rgba(22, 119, 255, 0.3); }
.bg-blue-600 { background-color: #1677ff; }
.bg-blue-600\/20 { background-color: rgba(22, 119, 255, 0.2); }
.bg-blue-700 { background-color: #0958d9; }
.bg-blue-800 { background-color: #003eb3; }
.bg-blue-900 { background-color: #102a43; }
.bg-blue-900\/60 { background-color: rgba(16, 42, 67, 0.6); }
.bg-blue-950 { background-color: #0b1d30; }

.bg-emerald-50 { background-color: #ecfdf5; }
.bg-emerald-50\/50 { background-color: rgba(236, 253, 245, 0.5); }
.bg-emerald-100 { background-color: #d1fae5; }
.bg-emerald-500\/20 { background-color: rgba(16, 185, 129, 0.2); }
.bg-emerald-600 { background-color: #059669; }
.bg-emerald-600\/15 { background-color: rgba(5, 150, 105, 0.15); }
.bg-emerald-700 { background-color: #047857; }

.bg-amber-50 { background-color: #fffbeb; }
.bg-amber-100 { background-color: #fef3c7; }
.bg-amber-600 { background-color: #d97706; }

.bg-indigo-50 { background-color: #eef2ff; }
.bg-indigo-600 { background-color: #4f46e5; }
.bg-purple-50 { background-color: #faf5ff; }
.bg-purple-600 { background-color: #9333ea; }
.bg-rose-50 { background-color: #fff1f2; }
.bg-rose-600 { background-color: #e11d48; }

.bg-\[\#25D366\] { background-color: #25D366; }

/* Gradient Renkleri */
.bg-gradient-to-r { background-image: linear-gradient(to right, var(--tw-gradient-stops)); }
.bg-gradient-to-br { background-image: linear-gradient(to bottom right, var(--tw-gradient-stops)); }
.from-navy { --tw-gradient-from: #102a43; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(16, 42, 67, 0)); }
.from-slate-900 { --tw-gradient-from: #102a43; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(16, 42, 67, 0)); }
.from-slate-950 { --tw-gradient-from: #0b1d30; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(11, 29, 48, 0)); }
.via-navy { --tw-gradient-stops: var(--tw-gradient-from), #102a43, var(--tw-gradient-to, rgba(16, 42, 67, 0)); }
.via-navy-light { --tw-gradient-stops: var(--tw-gradient-from), #1a365d, var(--tw-gradient-to, rgba(26, 54, 93, 0)); }
.via-slate-900 { --tw-gradient-stops: var(--tw-gradient-from), #102a43, var(--tw-gradient-to, rgba(16, 42, 67, 0)); }
.via-slate-950 { --tw-gradient-stops: var(--tw-gradient-from), #0b1d30, var(--tw-gradient-to, rgba(11, 29, 48, 0)); }
.to-navy { --tw-gradient-to: #102a43; }
.to-navy-dark { --tw-gradient-to: #0b1d30; }
.to-blue-950 { --tw-gradient-to: #0b1d30; }
.to-slate-900 { --tw-gradient-to: #102a43; }
.from-blue-900 { --tw-gradient-from: #102a43; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(16, 42, 67, 0)); }
.from-blue-600 { --tw-gradient-from: #1677ff; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(22, 119, 255, 0)); }
.from-blue-400 { --tw-gradient-from: #69b1ff; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(105, 177, 255, 0)); }
.to-emerald-400 { --tw-gradient-to: #34d399; }
.to-indigo-800 { --tw-gradient-to: #3730a3; }

/* Metin Renkleri */
.text-transparent { color: transparent; }
.bg-clip-text { -webkit-background-clip: text; background-clip: text; }

.text-white { color: #ffffff; }
.text-slate-100 { color: #f0f4f8; }
.text-slate-200 { color: #d9e2ec; }
.text-slate-300 { color: #bcccdc; }
.text-slate-400 { color: #9fb3c8; }
.text-slate-500 { color: #829ab1; }
.text-slate-600 { color: #627d98; }
.text-slate-700 { color: #486581; }
.text-slate-800 { color: #243b53; }
.text-slate-900 { color: #17212b; }

.text-blue-50 { color: #e6f4ff; }
.text-blue-200 { color: #bae0ff; }
.text-blue-300 { color: #91caff; }
.text-blue-400 { color: #69b1ff; }
.text-blue-500 { color: #1677ff; }
.text-blue-600 { color: #1677ff; }
.text-blue-700 { color: #0958d9; }
.text-blue-800 { color: #003eb3; }
.text-blue-900 { color: #002c8c; }

.text-emerald-300 { color: #6ee7b7; }
.text-emerald-400 { color: #34d399; }
.text-emerald-600 { color: #059669; }
.text-emerald-700 { color: #047857; }
.text-emerald-800 { color: #065f46; }
.text-emerald-900 { color: #064e3b; }
.text-emerald-950 { color: #022c22; }

.text-amber-400 { color: #fbbf24; }
.text-amber-600 { color: #d97706; }
.text-amber-700 { color: #b45309; }
.text-amber-800 { color: #92400e; }

.text-indigo-600 { color: #4f46e5; }
.text-indigo-700 { color: #4338ca; }
.text-purple-400 { color: #c084fc; }
.text-purple-600 { color: #9333ea; }
.text-purple-700 { color: #7e22ce; }
.text-rose-600 { color: #e11d48; }
.text-rose-700 { color: #be123c; }
.text-red-600 { color: #dc2626; }

/* Font Ağırlıkları & Boyutları */
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }
.font-black { font-weight: 900; }

.text-\[9px\] { font-size: 9px; }
.text-\[10px\] { font-size: 10px; }
.text-\[11px\] { font-size: 11px; }
.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-base { font-size: 1rem; line-height: 1.5rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
.text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
.text-5xl { font-size: 3rem; line-height: 1.1; }
.text-6xl { font-size: 3.75rem; line-height: 1; }

.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.uppercase { text-transform: uppercase; }
.tracking-tight { letter-spacing: -0.025em; }
.tracking-tighter { letter-spacing: -0.05em; }
.tracking-wide { letter-spacing: 0.025em; }
.tracking-wider { letter-spacing: 0.05em; }
.tracking-widest { letter-spacing: 0.1em; }
.leading-none { line-height: 1; }
.leading-tight { line-height: 1.25; }
.leading-relaxed { line-height: 1.625; }
.underline { text-decoration-line: underline; }
.list-disc { list-style-type: disc; }

/* Kenarlıklar & Köşeler */
.border { border-width: 1px; }
.border-b { border-bottom-width: 1px; }
.border-b-2 { border-bottom-width: 2px; }
.border-t { border-top-width: 1px; }
.border-t-2 { border-top-width: 2px; }
.border-l { border-left-width: 1px; }
.border-r { border-right-width: 1px; }
.border-l-2 { border-left-width: 2px; }
.border-l-4 { border-left-width: 4px; }
.border-y { border-top-width: 1px; border-bottom-width: 1px; }
.border-collapse { border-collapse: collapse; }

.border-slate-50 { border-color: #f8fafc; }
.border-slate-100 { border-color: #f0f4f8; }
.border-slate-200 { border-color: #d9e2ec; }
.border-slate-200\/80 { border-color: rgba(217, 226, 236, 0.8); }
.border-slate-200\/60 { border-color: rgba(217, 226, 236, 0.6); }
.border-slate-300 { border-color: #bcccdc; }
.border-slate-700 { border-color: #334e68; }
.border-slate-700\/80 { border-color: rgba(51, 78, 104, 0.8); }
.border-slate-800 { border-color: #243b53; }
.border-slate-800\/80 { border-color: rgba(36, 59, 83, 0.8); }
.border-slate-800\/40 { border-color: rgba(36, 59, 83, 0.4); }

.border-blue-100 { border-color: #e6f4ff; }
.border-blue-200 { border-color: #bae0ff; }
.border-blue-200\/80 { border-color: rgba(186, 224, 255, 0.8); }
.border-blue-200\/70 { border-color: rgba(186, 224, 255, 0.7); }
.border-blue-300 { border-color: #91caff; }
.border-blue-400\/20 { border-color: rgba(105, 177, 255, 0.2); }
.border-blue-400\/30 { border-color: rgba(105, 177, 255, 0.3); }
.border-blue-500 { border-color: #1677ff; }
.border-blue-700\/60 { border-color: rgba(9, 88, 217, 0.6); }
.border-blue-800\/40 { border-color: rgba(0, 62, 179, 0.4); }

.border-emerald-100 { border-color: #d1fae5; }
.border-emerald-200 { border-color: #a7f3d0; }
.border-emerald-500\/30 { border-color: rgba(16, 185, 129, 0.3); }

.border-amber-100 { border-color: #fef3c7; }
.border-indigo-100 { border-color: #e0e7ff; }
.border-purple-100 { border-color: #f3e8ff; }
.border-rose-100 { border-color: #ffe4e6; }

.border-white\/10 { border-color: rgba(255, 255, 255, 0.1); }
.border-white\/20 { border-color: rgba(255, 255, 255, 0.2); }

.divide-y > * + * { border-top-width: 1px; }
.divide-slate-100 > * + * { border-color: #f0f4f8; }
.divide-slate-200 > * + * { border-color: #d9e2ec; }

.rounded { border-radius: 0.25rem; }
.rounded-md { border-radius: 0.375rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-l-lg { border-top-left-radius: 0.5rem; border-bottom-left-radius: 0.5rem; }
.rounded-r-lg { border-top-right-radius: 0.5rem; border-bottom-right-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-3xl { border-radius: 1.5rem; }
.rounded-full { border-radius: 9999px; }

/* Gölgeler & Efektler */
.shadow-sm { box-shadow: 0 1px 2px 0 rgba(16, 42, 67, 0.05); }
.shadow { box-shadow: 0 1px 3px 0 rgba(16, 42, 67, 0.08), 0 1px 2px -1px rgba(16, 42, 67, 0.08); }
.shadow-md { box-shadow: 0 4px 6px -1px rgba(16, 42, 67, 0.08), 0 2px 4px -2px rgba(16, 42, 67, 0.08); }
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(16, 42, 67, 0.1), 0 4px 6px -4px rgba(16, 42, 67, 0.08); }
.shadow-xl { box-shadow: 0 20px 25px -5px rgba(16, 42, 67, 0.12), 0 8px 10px -6px rgba(16, 42, 67, 0.08); }
.shadow-2xl { box-shadow: 0 25px 50px -12px rgba(16, 42, 67, 0.2); }

.backdrop-blur { backdrop-filter: blur(8px); }
.backdrop-blur-sm { backdrop-filter: blur(4px); }
.opacity-0 { opacity: 0; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }
.pointer-events-none { pointer-events: none; }
.pointer-events-auto { pointer-events: auto; }
.overflow-hidden { overflow: hidden; }
.overflow-x-auto { overflow-x: auto; }
.whitespace-nowrap { white-space: nowrap; }
.break-all { word-break: break-all; }
.cursor-pointer { cursor: pointer; }
.select-none { user-select: none; }

/* Geçişler & Animasyonlar */
.transition { transition-property: color, background-color, border-color, text-decoration-color, fill, stroke, opacity, box-shadow, transform, filter, backdrop-filter; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.transition-all { transition-property: all; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.transition-colors { transition-property: color, background-color, border-color, text-decoration-color, fill, stroke; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.transition-transform { transition-property: transform; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.transition-opacity { transition-property: opacity; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.duration-200 { transition-duration: 200ms; }
.duration-300 { transition-duration: 300ms; }
.ease-in-out { transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); }

.transform { transform: translate(var(--tw-translate-x, 0), var(--tw-translate-y, 0)) rotate(var(--tw-rotate, 0)) scaleX(var(--tw-scale-x, 1)) scaleY(var(--tw-scale-y, 1)); }
.rotate-180 { transform: rotate(180deg); }

@keyframes ping {
    75%, 100% {
        transform: scale(2);
        opacity: 0;
    }
}
.animate-ping { animation: ping 1.8s cubic-bezier(0, 0, 0.2, 1) infinite; }

@keyframes pulse {
    50% { opacity: .5; }
}
.animate-pulse { animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite; }

/* Hover & Focus Durumları */
.hover\:bg-navy:hover { background-color: #102a43; }
.hover\:bg-navy-dark:hover { background-color: #0b1d30; }
.hover\:bg-navy-light:hover { background-color: #1a365d; }
.hover\:bg-technical-blue:hover { background-color: #1677ff; }
.hover\:bg-technical-blue-dark:hover { background-color: #0958d9; }
.hover\:bg-blue-50:hover { background-color: #e6f4ff; }
.hover\:bg-blue-50\/40:hover { background-color: rgba(230, 244, 255, 0.4); }
.hover\:bg-blue-100:hover { background-color: #bae0ff; }
.hover\:bg-blue-200:hover { background-color: #91caff; }
.hover\:bg-blue-500:hover { background-color: #3b82f6; }
.hover\:bg-blue-600:hover { background-color: #1677ff; }
.hover\:bg-blue-700:hover { background-color: #0958d9; }
.hover\:bg-blue-800:hover { background-color: #003eb3; }
.hover\:bg-teal-brand:hover { background-color: #00a6a6; }
.hover\:bg-teal-brand-dark:hover { background-color: #008080; }
.hover\:bg-orange-cta:hover { background-color: #f28c28; }
.hover\:bg-orange-cta-dark:hover { background-color: #d97706; }
.hover\:bg-orange-50:hover { background-color: #fff7ed; }
.hover\:bg-slate-50:hover { background-color: #f8fafc; }
.hover\:bg-slate-100:hover { background-color: #f0f4f8; }
.hover\:bg-slate-200:hover { background-color: #d9e2ec; }
.hover\:bg-slate-700:hover { background-color: #334e68; }
.hover\:bg-slate-800:hover { background-color: #243b53; }
.hover\:bg-emerald-50:hover { background-color: #ecfdf5; }
.hover\:bg-emerald-700:hover { background-color: #047857; }
.hover\:bg-purple-50:hover { background-color: #faf5ff; }
.hover\:bg-amber-50:hover { background-color: #fffbeb; }
.hover\:bg-amber-800:hover { background-color: #92400e; }
.hover\:bg-white\/10:hover { background-color: rgba(255, 255, 255, 0.1); }
.hover\:bg-white\/20:hover { background-color: rgba(255, 255, 255, 0.2); }
.hover\:bg-\[\#20ba59\]:hover { background-color: #20ba59; }

.hover\:text-white:hover { color: #ffffff; }
.hover\:text-navy:hover { color: #102a43; }
.hover\:text-technical-blue:hover { color: #1677ff; }
.hover\:text-technical-blue-light:hover { color: #91caff; }
.hover\:text-technical-blue-dark:hover { color: #0958d9; }
.hover\:text-blue-400:hover { color: #69b1ff; }
.hover\:text-blue-500:hover { color: #1677ff; }
.hover\:text-blue-600:hover { color: #1677ff; }
.hover\:text-blue-700:hover { color: #0958d9; }
.hover\:text-teal-brand:hover { color: #00a6a6; }
.hover\:text-orange-cta:hover { color: #f28c28; }
.hover\:text-orange-700:hover { color: #c2410c; }
.hover\:text-emerald-300:hover { color: #6ee7b7; }
.hover\:text-emerald-400:hover { color: #34d399; }
.hover\:text-emerald-600:hover { color: #059669; }
.hover\:text-slate-700:hover { color: #486581; }
.hover\:text-slate-900:hover { color: #17212b; }
.hover\:underline:hover { text-decoration-line: underline; }

.hover\:shadow-md:hover { box-shadow: 0 4px 6px -1px rgba(16, 42, 67, 0.08), 0 2px 4px -2px rgba(16, 42, 67, 0.08); }
.hover\:shadow-lg:hover { box-shadow: 0 10px 15px -3px rgba(16, 42, 67, 0.1), 0 4px 6px -4px rgba(16, 42, 67, 0.08); }
.hover\:shadow-xl:hover { box-shadow: 0 20px 25px -5px rgba(16, 42, 67, 0.12), 0 8px 10px -6px rgba(16, 42, 67, 0.08); }

.hover\:border-technical-blue:hover { border-color: #1677ff; }
.hover\:border-blue-300:hover { border-color: #91caff; }
.hover\:border-teal-brand:hover { border-color: #00a6a6; }
.hover\:border-orange-cta:hover { border-color: #f28c28; }
.hover\:border-orange-300:hover { border-color: #fdba74; }
.hover\:border-emerald-300:hover { border-color: #6ee7b7; }
.hover\:border-indigo-300:hover { border-color: #a5b4fc; }
.hover\:border-purple-300:hover { border-color: #d8b4fe; }
.hover\:border-rose-300:hover { border-color: #fda4af; }
.hover\:border-amber-300:hover { border-color: #fcd34d; }

.hover\:scale-105:hover { transform: scale(1.05); }
.hover\:scale-110:hover { transform: scale(1.1); }

/* Group Hover */
.group:hover .group-hover\:block { display: block; }
.group:hover .group-hover\:bg-navy { background-color: #102a43; }
.group:hover .group-hover\:bg-blue-600 { background-color: #1677ff; }
.group:hover .group-hover\:bg-indigo-600 { background-color: #4f46e5; }
.group:hover .group-hover\:bg-amber-600 { background-color: #d97706; }
.group:hover .group-hover\:bg-emerald-600 { background-color: #059669; }
.group:hover .group-hover\:bg-technical-blue { background-color: #1677ff; }
.group:hover .group-hover\:bg-teal-brand { background-color: #00a6a6; }
.group:hover .group-hover\:bg-orange-cta { background-color: #f28c28; }

.group:hover .group-hover\:text-white { color: #ffffff; }
.group:hover .group-hover\:text-blue-600 { color: #1677ff; }
.group:hover .group-hover\:text-technical-blue { color: #1677ff; }
.group:hover .group-hover\:text-teal-brand { color: #00a6a6; }
.group:hover .group-hover\:text-orange-cta { color: #f28c28; }
.group:hover .group-hover\:text-navy { color: #102a43; }
.group:hover .group-hover\:translate-x-1 { transform: translateX(0.25rem); }
.group:hover .group-hover\:scale-105 { transform: scale(1.05); }
.group:hover .group-hover\:border-technical-blue { border-color: #1677ff; }

.group[open] .group-open\:rotate-180 { transform: rotate(180deg); }

.active\:scale-95:active { transform: scale(0.95); }
.active\:scale-98:active { transform: scale(0.98); }

/* Focus & Form Styling */
.focus\:outline-none:focus { outline: 2px solid transparent; outline-offset: 2px; }
.focus\:bg-white:focus { background-color: #ffffff; }
.focus\:ring-2:focus { box-shadow: 0 0 0 2px #1677ff; }
.focus\:ring-technical-blue:focus { box-shadow: 0 0 0 2px #1677ff; }
.focus\:ring-blue-500:focus { box-shadow: 0 0 0 2px #1677ff; }
.focus\:ring-blue-600:focus { box-shadow: 0 0 0 2px #1677ff; }
.focus\:ring-orange-500:focus { box-shadow: 0 0 0 2px #f28c28; }
.focus\:ring-emerald-500:focus { box-shadow: 0 0 0 2px #10b981; }
.focus\:border-blue-500:focus { border-color: #1677ff; }
.focus\:border-blue-600:focus { border-color: #1677ff; }
.focus\:border-orange-500:focus { border-color: #f28c28; }

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
input[type="number"] {
    -moz-appearance: textfield;
}

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Polikarbon / Yapı Malzemeleri İçin Özel Kart Stilleri */
.material-card {
    background-color: #ffffff;
    border: 1px solid #d9e2ec;
    border-radius: 1rem;
    transition: all 0.2s ease-in-out;
}
.material-card:hover {
    border-color: #1677ff;
    box-shadow: 0 10px 20px -3px rgba(16, 42, 67, 0.1);
}

.trust-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.875rem;
    border-radius: 0.5rem;
    background-color: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    font-size: 0.75rem;
    font-weight: 600;
    color: #d9e2ec;
}

.color-swatch-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.5rem;
    border-radius: 0.375rem;
    font-size: 0.6875rem;
    font-weight: 600;
    border: 1px solid #d9e2ec;
}

/* Prose Formatı */
.prose {
    color: #334e68;
    max-width: 65ch;
}
.prose p {
    margin-top: 1.25em;
    margin-bottom: 1.25em;
    line-height: 1.75;
}
.prose h2 {
    color: #102a43;
    font-weight: 800;
    font-size: 1.5em;
    margin-top: 2em;
    margin-bottom: 1em;
    line-height: 1.3333333;
}
.prose h3 {
    color: #102a43;
    font-weight: 700;
    font-size: 1.25em;
    margin-top: 1.6em;
    margin-bottom: 0.6em;
    line-height: 1.6;
}
.prose strong {
    color: #102a43;
    font-weight: 700;
}
.prose ul {
    margin-top: 1.25em;
    margin-bottom: 1.25em;
    list-style-type: disc;
    padding-left: 1.625em;
}
.prose li {
    margin-top: 0.5em;
    margin-bottom: 0.5em;
}

/* FAQ Akordeon */
.faq-toggle {
    cursor: pointer;
    user-select: none;
}
.faq-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.faq-content {
    transition: all 0.2s ease-in-out;
}

/* Akordeon Ok Gizleme */
details summary::-webkit-details-marker { display: none; }