/*
 * Vizyon Pro Lazer Kesim - Core Design System
 * Human-Grade, Intentional Minimalism
 */

:root {
    /* Color Palette - Sektörel Güç Paleti */
    --color-primary-red: #C0151A;
    --color-primary-navy: #1E2875;
    --color-navy-dark: #0D1445;
    --color-navy-light: #2C3E6B;
    --color-navy-overlay: rgba(13, 20, 69, 0.98);

    --color-bg-cool-gray: #F4F6FA;
    --color-bg-ice-blue: #E8EBF4;

    --color-text-dark: #1A1A1A;
    --color-text-muted: #5C677D;
    --color-white: #FFFFFF;

    /* Spacing System (8px baseline) */
    --space-1: 8px;
    --space-2: 16px;
    --space-3: 24px;
    --space-4: 32px;
    --space-5: 48px;
    --space-6: 64px;
    --space-7: 96px;
    --space-8: 128px;

    /* Typography */
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

    /* Transitions & Shadows */
    --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    --shadow-sm: 0 4px 12px rgba(30, 40, 117, 0.05);
    --shadow-md: 0 8px 24px rgba(30, 40, 117, 0.08);
    --shadow-lg: 0 24px 48px rgba(30, 40, 117, 0.12);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-text-dark);
    background-color: var(--color-bg-cool-gray);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.1;
    color: var(--color-primary-navy);
}

a {
    color: var(--color-primary-navy);
    text-decoration: none;
    transition: color var(--transition-fast);
}

ul,
ol {
    list-style: none;
}

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

/* ==========================================================================
   Layout Primitives
   ========================================================================== */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-3);
}

.section {
    padding: var(--space-8) 0;
}

/* Component: Buttons (Premium Industrial & Brutalist) */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    border-radius: 0; /* Anti-soft, keskin hatlar */
    cursor: pointer;
    border: none;
    transition: background-color 0.4s ease, color 0.4s ease, transform 0.4s ease;
    position: relative;
    overflow: hidden;
}

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

/* Premium interactions: no cheap glowing shadows */
.btn--primary:hover,
.btn--primary:focus {
    background-color: var(--color-navy-dark);
    color: var(--color-white);
}

/* Premium Teklif Button -> Jenerik Yapay Zeka Parlamaları İptal Edildi */
.btn--teklif {
    gap: 12px;
    background-color: var(--color-navy-dark);
    color: var(--color-white);
    /* Sadece düz ve keskin tasarımlar, parlamaya gerek yok */
}

.btn--teklif:hover {
    background-color: var(--color-primary-red);
}

.btn--teklif i {
    font-size: 1.25rem;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Hover durumunda sadece ikon asil bir şekilde haraket eder */
.btn--teklif:hover i {
    transform: translateX(6px) rotate(-10deg);
}

.btn--outline {
    background-color: transparent;
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.25);
}

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

/* ==========================================================================
   Site Header
   ========================================================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: var(--space-4) 0;
    background-color: transparent;
    transition: background-color 0.8s ease-in-out, box-shadow 0.8s ease-in-out;
    will-change: background-color;
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-logo {
    display: block;
    position: relative;
    width: 330px;
    height: 90px;
}

.site-logo img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: left center;
    transition: opacity 0.8s ease-in-out;
    will-change: opacity;
}

.logo-color {
    opacity: 0;
    pointer-events: none;
}

.site-nav__list {
    display: flex;
    gap: var(--space-4);
    align-items: center;
}

.site-nav__link {
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 8px;
    /* İkon ve metin arası boşluk */
}

/* 3D Flip Icon Animation Strategy */
.nav-icon {
    position: relative;
    width: 20px;
    height: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 400px;
}

.nav-icon i {
    position: absolute;
    font-size: 20px;
    backface-visibility: hidden;
    transition: transform 0.4s ease-in-out;
}

.nav-icon .ph {
    transform: rotateX(0deg);
}

.nav-icon .ph-fill {
    transform: rotateX(-180deg);
    color: var(--color-primary-red);
}

.site-nav__link:hover .nav-icon .ph,
.site-nav__link.is-active .nav-icon .ph {
    transform: rotateX(180deg);
}

.site-nav__link:hover .nav-icon .ph-fill,
.site-nav__link.is-active .nav-icon .ph-fill {
    transform: rotateX(0deg);
}

.site-nav__link:hover,
.site-nav__link.is-active {
    color: var(--color-white);
}

.site-nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-primary-red);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-fast);
}

.site-nav__link:hover::after,
.site-nav__link.is-active::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* Header Scrolled State */
.site-header.is-scrolled {
    background-color: var(--color-white);
    padding: var(--space-2) 0;
    box-shadow: var(--shadow-sm);
}

.site-header.is-scrolled .logo-white {
    opacity: 0;
}

.site-header.is-scrolled .logo-color {
    opacity: 1;
}

.site-header.is-scrolled .site-nav__link {
    color: var(--color-text-muted);
}

.site-header.is-scrolled .site-nav__link:hover,
.site-header.is-scrolled .site-nav__link.is-active {
    color: var(--color-primary-navy);
}

/* ==========================================================================
   Inner Hero (Subpages Avant-Garde Architectural Layout)
   ========================================================================== */
.inner-hero {
    position: relative;
    padding: 180px 0 100px 0; /* Expanded padding for breathing room */
    min-height: 55vh; /* Massive scale */
    display: flex;
    align-items: center;
    overflow: hidden;
    background-color: #050714; /* Deep Abyss Navy */
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.inner-hero__bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    background-size: cover;
    background-position: center;
    filter: grayscale(40%) contrast(1.1);
    opacity: 0.45;
}

.inner-hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(13, 20, 69, 0.92) 0%, rgba(13, 20, 69, 0.5) 100%);
    z-index: 2;
}

/* Vertical red architectural line */
.inner-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: calc(8% - 1px);
    width: 1px;
    height: 100%;
    background: linear-gradient(to bottom, rgba(192,21,26,0), rgba(192,21,26,0.6) 20%, rgba(192,21,26,1) 50%, rgba(192,21,26,0) 100%);
    z-index: 5;
    opacity: 0.5;
}

.inner-hero__content {
    position: relative;
    z-index: 3;
    padding-left: var(--space-4); /* Offset from grid */
}

/* Breadcrumb Styling for Inner Hero (Minimalist) */
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    margin: 0 0 var(--space-4) 0;
    padding: 0;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    font-family: var(--font-heading);
}

.breadcrumb-item {
    display: flex;
    align-items: center;
}

.breadcrumb-item a {
    color: rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    transition: color 0.4s ease;
}

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

.breadcrumb-item + .breadcrumb-item::before {
    content: ""; /* Abstract separator */
    display: inline-block;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.15);
    margin: 0 14px;
}

.breadcrumb-item.active {
    color: var(--color-primary-red);
}

/* Typography fix for inner heroes */
.inner-hero .section-overline {
    display: inline-block;
    padding: 6px 14px;
    border: 1px solid rgba(255,255,255,0.1);
    font-family: var(--font-heading);
    letter-spacing: 4px;
    font-size: 0.70rem;
    color: var(--color-white) !important; /* Override inline styles */
    margin-bottom: var(--space-3);
}

.inner-hero .section-overline::after {
    display: none; /* Hide standard underline */
}

.inner-hero .hero__title {
    font-size: 4.5rem;
    font-weight: 300; /* Thin, elegant weight */
    color: var(--color-white);
    margin-bottom: var(--space-4);
    letter-spacing: -2px;
    line-height: 1.05;
    transform: translateY(0);
    opacity: 1;
}

.inner-hero .hero__desc {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.8;
    margin-bottom: 0;
    transform: translateY(0);
    opacity: 1;
    font-weight: 300;
    max-width: 600px;
    border-left: 2px solid rgba(255,255,255,0.1);
    padding-left: var(--space-4);
}

@media (max-width: 768px) {
    .inner-hero .hero__title {
        font-size: 3rem;
    }
    .inner-hero::before {
        display: none;
    }
    .inner-hero__content {
        padding-left: 0;
    }
}


/* NOTE: Services (Bento Grid) -> services.css */


/* NOTE: Stats Datasheet -> home.css */
/* ==========================================================================
   Global Section Utilities (used across all pages)
   ========================================================================== */
.services-section {
    background-color: var(--color-white);
    position: relative;
}

.section-header {
    margin-bottom: var(--space-6);
    max-width: 600px;
}

.section-header--centered {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.section-overline {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 6px;
    color: var(--color-primary-red);
    margin-bottom: var(--space-2);
    position: relative;
    padding-bottom: 4px;
}

.section-overline::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--color-primary-red);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: var(--space-2);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
}


/* ==========================================================================
   Architectural Footer (Avant-Garde & Brutalist)
   ========================================================================== */
.architectural-footer {
    background-color: var(--color-navy-dark);
    color: var(--color-white);
    padding: var(--space-8) 0 0 0;
    border-top: 1px solid rgba(0,0,0,0.1);
}

.footer-arch-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 0; 
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-col {
    padding: var(--space-4) var(--space-4) var(--space-6) 0;
}

.footer-col.border-left {
    padding-left: var(--space-4);
    border-left: 1px solid rgba(255,255,255,0.1);
}

.footer-desc {
    font-size: 0.95rem;
    line-height: 1.7;
    color: rgba(255,255,255,0.75);
    max-width: 90%;
}

.footer-col-title {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.footer-nav {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-link {
    color: rgba(255,255,255,0.75);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease, transform 0.3s ease;
    display: inline-block;
}

.footer-link:hover {
    color: var(--color-primary-red);
    transform: translateX(4px);
}

.footer-contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: rgba(255,255,255,0.75);
    line-height: 1.5;
    font-size: 0.9rem;
}

.footer-contact-list i {
    font-size: 1.25rem;
    color: var(--color-primary-red);
    margin-top: 2px;
}

.footer-contact-list a {
    color: rgba(255,255,255,0.75);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-contact-list a:hover {
    color: var(--color-white);
}

.footer-bottom {
    padding: var(--space-4) 0;
}

.footer-bottom-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright {
    color: rgba(255,255,255,0.7);
    font-size: 0.85rem;
    margin-bottom: 0;
}

.footer-certs {
    display: flex;
    gap: 16px;
}

.footer-certs span {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1px;
    color: rgba(255,255,255,0.7);
    border: 1px solid rgba(255,255,255,0.2);
    padding: 4px 12px;
    border-radius: 20px;
}

/* Mobile Adjustments */
@media (max-width: 1024px) {
    .footer-arch-grid {
        grid-template-columns: 1fr 1fr;
    }
    .footer-col.border-left {
        border-left: none;
        padding-left: 0;
    }
    .footer-col {
        border-bottom: 1px solid rgba(255,255,255,0.1);
        padding: var(--space-5) 0;
    }
    .footer-col:last-child {
        border-bottom: none;
    }
}

@media (max-width: 768px) {
    .footer-arch-grid {
        grid-template-columns: 1fr;
    }
    .footer-bottom-flex {
        flex-direction: column;
        gap: 16px;
        align-items: flex-start;
    }
}

/* ==========================================================================
   Responsive Logic & Mobile Menu
   ========================================================================== */
.site-nav__mobile-logo {
    display: none;
}

.mobile-action {
    display: none;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 32px;
    height: 24px;
    position: relative;
    z-index: 1001;
    /* Menünün üstünde durmalı */
}

.mobile-menu-toggle span {
    display: block;
    position: absolute;
    width: 100%;
    height: 2px;
    background-color: var(--color-white);
    transition: all var(--transition-smooth);
    border-radius: 2px;
}

.site-header.is-scrolled .mobile-menu-toggle span {
    background-color: var(--color-primary-navy);
}

.mobile-menu-toggle span:nth-child(1) {
    top: 0;
}

.mobile-menu-toggle span:nth-child(2) {
    top: 11px;
}

.mobile-menu-toggle span:nth-child(3) {
    bottom: 0;
}

.mobile-menu-toggle.is-active span:nth-child(1) {
    transform: translateY(11px) rotate(45deg);
    background-color: var(--color-white) !important;
}

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

.mobile-menu-toggle.is-active span:nth-child(3) {
    transform: translateY(-11px) rotate(-45deg);
    background-color: var(--color-white) !important;
}

body.no-scroll {
    overflow: hidden;
}

@media (max-width: 1024px) {
    .site-logo {
        width: 220px;
        height: 60px;
    }

    .header-action {
        display: none;
        /* Mobilde header çok sıkışmasın diye teklif butonunu gizliyoruz */
    }

    .mobile-menu-toggle {
        display: block;
    }

    .site-nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: var(--color-navy-overlay);
        /* Lacivert Dark arkaplan */
        backdrop-filter: blur(8px);
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        opacity: 0;
        pointer-events: none;
        transition: opacity var(--transition-smooth);
        z-index: 1000;
    }

    .site-nav__mobile-logo {
        display: block;
        margin-bottom: var(--space-5);
    }

    .site-nav__mobile-logo img {
        width: 200px;
        height: auto;
    }

    .site-nav.is-open {
        opacity: 1;
        pointer-events: auto;
    }

    .mobile-action {
        display: block;
        margin-top: var(--space-4);
    }

    .site-nav__list {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }

    .site-nav__link {
        font-size: 1.5rem;
        color: var(--color-white) !important;
        /* Mobilde her zaman beyaz */
    }

    .site-nav__link::after {
        display: none;
        /* Mobilde bottom hover outline kapalı */
    }
}

@media (max-width: 768px) {
    .site-logo {
        width: 180px;
        height: 50px;
    }

    .hero__title {
        font-size: 2.5rem;
    }

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

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
}

/* Removed redundant Inner Page Hero and Breadcrumbs that were conflicting with the avant-garde layout */