/* =====================================================
   ACM Air Charter Market - Premium Minimalist Design
   ===================================================== */

/* Variables */
:root {
    --color-black: #000000;
    --color-white: #ffffff;
    --color-gray-100: #fafafa;
    --color-gray-200: #f5f5f5;
    --color-gray-300: #e8e8e8;
    --color-gray-400: #d4d4d4;
    --color-gray-500: #a3a3a3;
    --color-gray-600: #737373;
    --color-gray-700: #525252;
    --color-gray-800: #262626;
    --color-gray-900: #171717;
    --color-red: #ff1744;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Syne', sans-serif;

    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    --space-4xl: 8rem;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-black);
    background-color: var(--color-white);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(3rem, 8vw, 6rem); }
h2 { font-size: clamp(2rem, 5vw, 3.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }

p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-gray-700);
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-md);
    }
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-gray-300);
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    max-width: 1200px;
    margin: 0 auto;
}

/* Logo */
.logo {
    display: flex;
    align-items: baseline;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.logo-text {
    color: var(--color-black);
}

.logo-dot {
    color: var(--color-gray-400);
    margin-left: 2px;
}

/* Nav */
.nav-links {
    display: flex;
    gap: var(--space-xl);
    align-items: center;
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-gray-700);
    position: relative;
    padding: var(--space-xs) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-white);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: var(--color-black);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
    background: var(--color-black);
}

.nav-link.active {
    color: var(--color-black);
}

.nav-cta {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.625rem 1.25rem;
    background: var(--color-black);
    color: var(--color-white);
    border-radius: 100px;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: var(--transition);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.nav-cta svg {
    transition: transform 0.3s ease;
}

.nav-cta:hover svg {
    transform: translate(2px, -2px);
}

/* Mobile menu button */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
}

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

.menu-toggle.active span:first-child {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:last-child {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: var(--color-white);
    z-index: 999;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    padding-top: 5rem;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-content {
    padding: var(--space-xl);
}

.mobile-link {
    display: block;
    font-size: 2rem;
    font-family: var(--font-display);
    font-weight: 600;
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-gray-300);
    transition: var(--transition);
}

.mobile-link:hover {
    padding-left: var(--space-md);
}

/* Hero */
.hero {
    padding: calc(5rem + var(--space-4xl)) 0 var(--space-4xl);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    margin-bottom: var(--space-3xl);
}

.hero-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
    font-size: 0.875rem;
    color: var(--color-gray-600);
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.label-separator {
    color: var(--color-gray-400);
}

.hero-title {
    margin-bottom: var(--space-xl);
    font-weight: 700;
}

.title-line {
    display: block;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

.title-line:nth-child(1) { animation-delay: 0.1s; }
.title-line:nth-child(2) { animation-delay: 0.2s; }
.title-line:nth-child(3) { animation-delay: 0.3s; }

.title-line.accent {
    color: var(--color-gray-500);
}

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

.hero-description {
    max-width: 600px;
    margin-bottom: var(--space-2xl);
    font-size: 1.25rem;
    color: var(--color-gray-600);
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.4s forwards;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.5s forwards;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 100px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.btn-primary svg {
    transition: transform 0.3s ease;
}

.btn-primary:hover svg {
    transform: translateX(4px);
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-black);
    border: 1px solid var(--color-gray-300);
}

.btn-secondary:hover {
    background: var(--color-gray-100);
}

/* Hero visual */
.hero-visual {
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.6s forwards;
}

.visual-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--color-gray-300);
    border: 1px solid var(--color-gray-300);
    width: 100%;
    box-sizing: border-box;
}

.grid-item {
    background: var(--color-white);
    padding: var(--space-xl);
    text-align: center;
    transition: var(--transition);
    box-sizing: border-box;
}

.grid-item:hover {
    background: var(--color-gray-100);
}

.grid-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
    letter-spacing: -0.02em;
}

.grid-label {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Sections */
section {
    padding: var(--space-4xl) 0;
}

.section-header {
    margin-bottom: var(--space-3xl);
}

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
}

.section-title {
    font-weight: 700;
    margin-bottom: var(--space-lg);
}

/* Services */
.services {
    background: var(--color-gray-100);
}

.services-container {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.services-tabs {
    display: flex;
    flex-direction: column;
    gap: 1px;
    background: var(--color-gray-300);
    border: 1px solid var(--color-gray-300);
}

.service-tab {
    background: var(--color-white);
    border: none;
    padding: var(--space-lg);
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-family: var(--font-sans);
}

.service-tab:hover {
    background: var(--color-gray-100);
}

.service-tab.active {
    background: var(--color-black);
    color: var(--color-white);
}

.tab-number {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 700;
    opacity: 0.5;
}

.service-tab.active .tab-number {
    opacity: 1;
}

.tab-title {
    font-size: 1rem;
    font-weight: 500;
}

.services-content {
    position: relative;
    min-height: 420px;
}

.service-panel {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
}

.service-panel.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.service-title {
    font-family: var(--font-display);
    font-size: 2rem;
    margin-bottom: var(--space-lg);
}

.service-description {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--color-gray-700);
    margin-bottom: var(--space-xl);
}

.service-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm);
    background: var(--color-white);
    transition: var(--transition);
}

.feature-item:hover {
    background: var(--color-gray-100);
    padding-left: var(--space-md);
}

.feature-icon {
    color: var(--color-gray-600);
    font-size: 1.25rem;
}

.reasons-list {
    list-style: decimal;
    padding-left: 1.25rem;
    display: grid;
    gap: var(--space-sm);
    font-size: 1.05rem;
    color: var(--color-gray-700);
}

/* Expertise */
.expertise-group {
    margin-bottom: var(--space-3xl);
}

.expertise-group:last-of-type {
    margin-bottom: 0;
}

.expertise-group-title {
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-gray-600);
    margin-bottom: var(--space-md);
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--color-gray-300);
    border: 1px solid var(--color-gray-300);
    width: 100%;
    box-sizing: border-box;
}

.expertise-item {
    background: var(--color-white);
    padding: var(--space-2xl);
    text-align: center;
    transition: var(--transition);
    position: relative;
    cursor: pointer;
    box-sizing: border-box;
}

.expertise-item:hover {
    background: var(--color-black);
    color: var(--color-white);
}

.expertise-item:hover .expertise-icon svg {
    stroke: var(--color-white);
    transform: scale(1.1);
}

.expertise-icon {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 48px;
    margin-bottom: var(--space-md);
}

.expertise-icon svg {
    stroke: var(--color-gray-700);
    transition: var(--transition);
}

.expertise-item h4 {
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 1rem;
}

/* Turkey map */
.turkey-map {
    background: var(--color-gray-100);
}

.map-description {
    max-width: 620px;
}

.map-wrapper {
    position: relative;
    margin-top: var(--space-2xl);
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid var(--color-gray-300);
    padding-top: 43%; /* oran sabit, desktop & mobile aynı */
    background:
        radial-gradient(circle at 10% 0%, rgba(0,0,0,0.05), transparent 60%),
        radial-gradient(circle at 90% 100%, rgba(0,0,0,0.05), transparent 60%),
        #f3f3f3;
}

/* Türkiye silueti */
.map-wrapper::before {
    content: '';
    position: absolute;
    inset: 6%;
    background-image: url("https://upload.wikimedia.org/wikipedia/commons/4/49/Flag-map_of_Turkey.svg");
    background-repeat: no-repeat;
    background-size: contain;
    background-position: center;
    opacity: 0.9;
    filter: grayscale(1);
}

/* noktalar */
.map-point {
    position: absolute;
    width: 12px;
    height: 12px;
    border-radius: 999px;
    background: var(--color-red);
    border: 2px solid var(--color-white);
    box-shadow: 0 0 0 4px rgba(0, 0, 0, 0.18);
    transform: translate(-50%, -50%);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    top: var(--y);
    left: var(--x);
    z-index: 2;
}

.map-point:hover {
    transform: translate(-50%, -50%) scale(1.15);
    box-shadow: 0 0 0 6px rgba(0, 0, 0, 0.22);
    background: #ff4569;
}

/* popup */
.map-popup {
    position: absolute;
    min-width: 240px;
    max-width: 280px;
    padding: var(--space-md);
    background: var(--color-black);
    color: var(--color-white);
    border-radius: 12px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.26);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
    z-index: 3;
    font-size: 0.9rem;
}

.map-popup.visible {
    opacity: 1;
    pointer-events: auto;
}

.map-popup h4 {
    font-family: var(--font-sans);
    font-size: 1rem;
    margin-bottom: var(--space-xs);
}

.map-popup p {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 0.2rem;
    color: var(--color-gray-100);
}

.map-popup p:last-child {
    margin-bottom: 0;
}

/* About */
.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.about-description {
    margin-bottom: var(--space-lg);
}

.about-features {
    margin-top: var(--space-xl);
}

.feature {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-gray-200);
}

.feature:last-child {
    border-bottom: none;
}

.feature svg {
    flex-shrink: 0;
    stroke: var(--color-gray-600);
}

.feature span {
    color: var(--color-gray-700);
}

.about-quote {
    padding: var(--space-2xl);
    background: var(--color-gray-100);
}

.about-quote blockquote {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: var(--space-md);
}

.about-quote cite {
    font-style: normal;
    color: var(--color-gray-600);
    font-size: 0.875rem;
}

/* Contact */
.contact {
    background: var(--color-black);
    color: var(--color-white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: var(--space-3xl);
}

.contact-title {
    color: var(--color-white);
    margin-bottom: var(--space-lg);
}

.contact-description {
    color: var(--color-gray-400);
    margin-bottom: var(--space-2xl);
}

.contact-details {
    display: grid;
    gap: var(--space-lg);
}

.contact-item {
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-gray-800);
}

.contact-label {
    display: block;
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-bottom: var(--space-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-value {
    font-size: 1.125rem;
    color: var(--color-white);
}

.contact-value:hover {
    color: var(--color-gray-300);
}

.contact-quote {
    align-self: center;
    padding: var(--space-2xl);
    border-radius: 20px;
    background: radial-gradient(circle at top left, rgba(255,255,255,0.1), rgba(0,0,0,0.8));
    border: 1px solid rgba(255,255,255,0.08);
}

.contact-quote-text {
    font-family: var(--font-display);
    font-size: 1.2rem;
    line-height: 1.6;
    margin-bottom: var(--space-md);
    color: var(--color-white);
}

.contact-quote-meta {
    font-size: 0.9rem;
    color: var(--color-gray-400);
}

/* Footer - light theme */
.footer {
    background: var(--color-white);
    color: var(--color-black);
    padding: var(--space-3xl) var(--space-lg) var(--space-2xl);
    position: relative;
    overflow: hidden;
    border-top: 1px solid var(--color-gray-300);
}

.footer::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle, rgba(0,0,0,0.03) 1px, transparent 1px);
    background-size: 8px 8px;
    opacity: 0.4;
    pointer-events: none;
}

/* içerik */
.footer-inner {
    position: relative;
    max-width: 1320px;
    margin: 0 auto;
}

/* top */
.footer-top {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--space-3xl);
    align-items: center;
    margin-bottom: var(--space-3xl);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.footer-logo {
    display: flex;
    align-items: baseline;
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
}

.footer-logo .logo-text {
    color: var(--color-black);
}

.footer-logo .logo-dot {
    color: var(--color-gray-400);
}

.footer-tagline {
    font-size: 0.875rem;
    color: var(--color-gray-400);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    flex-wrap: wrap;
}

.footer-links a {
    font-size: 0.95rem;
    color: var(--color-gray-700);
}

.footer-links a:hover {
    color: var(--color-black);
}

.footer-info {
    text-align: right;
}

.footer-info p {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

/* locations list */
.footer-locations {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-3xl);
}

.airport-group {
    font-size: 0.9rem;
}

.airport-heading {
    font-family: var(--font-sans);
    font-size: 0.82rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-black);
    margin-bottom: var(--space-xs);
    position: relative;
    padding-left: 0.9rem;
}

.airport-heading::before {
    content: '▶';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%) scale(0.7);
    color: var(--color-red);
}

.airport-list {
    list-style: none;
    padding-left: 0.9rem;
}

.airport-list li {
    font-size: 0.78rem;
    color: var(--color-gray-700);
    line-height: 1.6;
}

/* bottom logos */
.footer-logos-row {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
}

.footer-logo-placeholder {
    width: 120px;
    height: 40px;
    border-radius: 999px;
    border: 1px dashed var(--color-gray-400);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    color: var(--color-gray-600);
}

.footer-logos-row img {
    width: 120px;
}

/* Responsive */
@media (max-width: 1024px) {
    .services-container {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .services-tabs {
        flex-direction: row;
        overflow-x: auto;
    }

    .service-tab {
        flex-shrink: 0;
        min-width: 190px;
    }

    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .footer-top {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-lg);
    }

    .footer-info {
        text-align: center;
    }
}

@media (max-width: 768px) {
    .nav {
        padding: var(--space-md);
    }

    .nav-links,
    .nav-cta {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .hero {
        padding: calc(5rem + var(--space-2xl)) 0 var(--space-2xl);
    }

    .hero-title {
        font-size: clamp(2rem, 6vw, 3rem);
    }

    .hero-description {
        font-size: 1.125rem;
    }

    .hero-actions {
        flex-direction: column;
    }

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

    /* hero grid mobil fix: 2'li, taşma yok */
    .visual-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .grid-item {
        padding: var(--space-lg);
    }

    .grid-number {
        font-size: 2rem;
    }

    .grid-label {
        font-size: 0.8rem;
    }

    .service-features {
        grid-template-columns: 1fr;
    }

    /* services panelleri mobilde alta binmesin diye */
    .services-content {
        position: static;
        min-height: auto;
    }

    .service-panel {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
    }

    .service-panel.active {
        display: block;
    }

    /* Our Expertise mobilde tek sütun olsun, scroll almasın */
    .expertise-grid {
        grid-template-columns: 1fr;
    }

    .expertise-item {
        padding: var(--space-xl);
    }

    /* harita oranı desktop ile aynı */
    .map-wrapper {
        padding-top: 43%;
    }

    /* popup mobilde biraz daha küçük */
    .map-popup {
        max-width: 220px;
        font-size: 0.8rem;
        padding: 0.75rem 0.9rem;
    }

    .footer-locations {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .footer-logos-row {
        flex-direction: column;
        align-items: center;
        gap: var(--space-md);
    }

    section {
        padding: var(--space-3xl) 0;
    }
}

@media (max-width: 520px) {
    .footer-locations {
        grid-template-columns: 1fr;
    }
}