/* =============================================
   MEF YAPI & İNŞAAT - TASARIM SİSTEMİ
   Quiet Luxury | Minimalist | Premium
   ============================================= */

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--color-black);
    color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============ CSS VARIABLES ============ */
:root {
    /* Renk Paleti */
    --color-black: #000000;
    --color-white: #FFFFFF;
    --color-grey: #9A9A9A;
    --color-silver: #B8B8B8;
    --color-dark-grey: #1A1A1A;
    --color-light-grey: #2A2A2A;
    --color-muted: #C0C0C0;

    /* Tipografi */
    --font-primary: 'Inter', sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Spacing */
    --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;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-premium: 0.6s cubic-bezier(0.16, 1, 0.3, 1);

    /* Z-index Layers */
    --z-base: 1;
    --z-header: 100;
    --z-menu: 200;
    --z-modal: 300;
    --z-whatsapp: 400;
}

/* ============ TYPOGRAPHY ============ */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(1.5rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 2rem);
}

h4 {
    font-size: clamp(1rem, 2vw, 1.5rem);
}

p {
    font-weight: var(--font-weight-light);
    color: var(--color-silver);
    line-height: 1.8;
}

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

a:hover {
    color: var(--color-silver);
}

/* ============ UTILITIES ============ */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.container--wide {
    max-width: 1600px;
}

.container--narrow {
    max-width: 900px;
}

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

.text-white {
    color: var(--color-white);
}

.text-grey {
    color: var(--color-grey);
}

.text-silver {
    color: var(--color-silver);
}

/* Flex Utilities */
.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

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

.justify-between {
    justify-content: space-between;
}

.gap-sm {
    gap: var(--space-sm);
}

.gap-md {
    gap: var(--space-md);
}

.gap-lg {
    gap: var(--space-lg);
}

/* Grid Utilities */
.grid {
    display: grid;
}

/* Visibility */
.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============ BUTTONS ============ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition-premium);
}

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

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

.btn--outline {
    background-color: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

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

.btn--ghost {
    background-color: transparent;
    color: var(--color-white);
    border-color: transparent;
}

.btn--ghost:hover {
    color: var(--color-silver);
}

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

.section--full {
    min-height: 100vh;
    display: flex;
    align-items: center;
}

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

.section__title {
    margin-bottom: var(--space-md);
}

.section__subtitle {
    font-size: 1.125rem;
    color: var(--color-grey);
    max-width: 600px;
}

/* ============ DIVIDERS ============ */
.divider {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-grey), transparent);
}

.divider--short {
    width: 100px;
    height: 2px;
    background-color: var(--color-white);
}

/* ============ CARDS ============ */
.card {
    background-color: var(--color-dark-grey);
    border: 1px solid var(--color-light-grey);
    overflow: hidden;
    transition: var(--transition-premium);
}

.card:hover {
    border-color: var(--color-grey);
    transform: translateY(-5px);
}

.card__image {
    width: 100%;
    height: auto;
    object-fit: cover;
}

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

.card__title {
    margin-bottom: var(--space-sm);
}

.card__text {
    font-size: 0.9375rem;
}

/* ============ FORMS ============ */
.form-group {
    margin-bottom: var(--space-md);
}

.form-label {
    display: block;
    margin-bottom: var(--space-xs);
    font-size: 0.75rem;
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-silver);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--space-sm);
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--color-white);
    background-color: transparent;
    border: 1px solid var(--color-grey);
    transition: var(--transition-normal);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-white);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

/* Select dropdown options */
.form-input option {
    background-color: #1a1a1a;
    color: #ffffff;
    padding: 10px;
}

.form-input option:hover,
.form-input option:focus {
    background-color: #333333;
}

/* ============ IMAGES ============ */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

.img-grayscale {
    filter: grayscale(100%);
    transition: var(--transition-normal);
}

.img-grayscale:hover {
    filter: grayscale(0%);
}

/* ============ SELECTION ============ */
::selection {
    background-color: var(--color-white);
    color: var(--color-black);
}

/* ============ SCROLLBAR ============ */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-black);
}

::-webkit-scrollbar-thumb {
    background: var(--color-grey);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-silver);
}

/* ============ HEADER ============ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-header);
    padding: var(--space-md) 0;
    transition: var(--transition-normal);
}

.header--scrolled {
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    padding: var(--space-sm) 0;
}

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

.header__logo {
    z-index: var(--z-menu);
}

.header__logo img {
    height: 40px;
    width: auto;
}

.header__logo-img {
    height: 100px;
    width: auto;
    transition: var(--transition-premium);
    filter: invert(1);
    mix-blend-mode: screen;
    opacity: 0;
    animation: fadeIn 1s ease forwards;
}

.header__logo-img:hover {
    transform: scale(1.05);
    filter: invert(1) brightness(1.2);
}

.header--scrolled .header__logo-img {
    height: 60px;
}

.header__logo-img:hover {
    transform: scale(1.05);
    filter: brightness(1.2);
}

.header--scrolled .header__logo-img {
    height: 50px;
}

.header__logo-text {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* Language Switcher - Fixed Top Left */
.lang-switcher {
    position: fixed;
    top: var(--space-lg);
    left: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    z-index: 9999;
    opacity: 0.85;
    transition: var(--transition-normal);
}

.lang-switcher:hover {
    opacity: 1;
}

.lang-switcher__btn {
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-silver);
    padding: 0.5rem 0.7rem;
    font-size: 0.65rem;
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition-normal);
    border-radius: var(--radius-sm);
    min-width: 36px;
    min-height: 30px;
    text-align: center;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.lang-switcher__btn:hover {
    border-color: var(--color-white);
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.15);
    transform: scale(1.05);
}

.lang-switcher__btn:active {
    transform: scale(0.95);
}

.lang-switcher__btn.active {
    border-color: var(--color-white);
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.2);
}

/* Mobile Language Switcher */
.mobile-lang-switcher {
    display: none;
}

/* Desktop Navigation */
.nav {
    display: none;
}

.nav__list {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    list-style: none;
}

.nav__link {
    font-size: 0.75rem;
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-white);
    transition: var(--transition-normal);
}

.nav__link:hover::after {
    width: 100%;
}

/* Hamburger Menu */
.hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    cursor: pointer;
    z-index: var(--z-menu);
    background: none;
    border: none;
}

.hamburger__line {
    width: 24px;
    height: 1px;
    background-color: var(--color-white);
    transition: var(--transition-normal);
}

.hamburger__line:nth-child(1) {
    transform: translateY(-4px);
}

.hamburger__line:nth-child(2) {
    transform: translateY(4px);
}

/* Hamburger Active State */
.hamburger.active .hamburger__line:nth-child(1) {
    transform: translateY(0) rotate(45deg);
}

.hamburger.active .hamburger__line:nth-child(2) {
    transform: translateY(-1px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--color-black);
    z-index: var(--z-header);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-premium);
    overflow: hidden;
}

/* Mobile Menu - Blueprint Grid Arka Plan */
.mobile-menu::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0;
    transition: opacity 0.8s ease;
    pointer-events: none;
}

/* Mobile Menu - Radial Gradient Overlay */
.mobile-menu::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    background: radial-gradient(ellipse at center,
            transparent 0%,
            rgba(0, 0, 0, 0.2) 50%,
            rgba(0, 0, 0, 0.6) 100%);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.6s ease;
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu.active::before {
    opacity: 1;
    animation: menuGridReveal 1s ease forwards;
}

.mobile-menu.active::after {
    opacity: 1;
}

@keyframes menuGridReveal {
    0% {
        opacity: 0;
        transform: scale(1.1);
    }

    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.mobile-menu__list {
    list-style: none;
    text-align: center;
    position: relative;
    z-index: 20;
}

.mobile-menu__item {
    margin-bottom: var(--space-lg);
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition-premium);
}

.mobile-menu.active .mobile-menu__item {
    opacity: 1;
    transform: translateY(0);
}

.mobile-menu.active .mobile-menu__item:nth-child(1) {
    transition-delay: 0.1s;
}

.mobile-menu.active .mobile-menu__item:nth-child(2) {
    transition-delay: 0.2s;
}

.mobile-menu.active .mobile-menu__item:nth-child(3) {
    transition-delay: 0.3s;
}

.mobile-menu.active .mobile-menu__item:nth-child(4) {
    transition-delay: 0.4s;
}

.mobile-menu__link {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    position: relative;
    z-index: 10;
}

.mobile-menu__link::before {
    content: '';
    position: absolute;
    left: -20px;
    top: 50%;
    width: 0;
    height: 1px;
    background-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-50%);
    transition: width 0.3s ease;
}

.mobile-menu__link:hover::before {
    width: 15px;
}

.mobile-menu__link:hover {
    color: var(--color-white);
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

/* Mobile Menu Corner Decorations */
.mobile-menu__decoration {
    position: absolute;
    width: 50px;
    height: 50px;
    pointer-events: none;
    z-index: 15;
    opacity: 0;
    transition: opacity 0.6s ease;
}

.mobile-menu.active .mobile-menu__decoration {
    opacity: 1;
}

.mobile-menu__decoration::before,
.mobile-menu__decoration::after {
    content: '';
    position: absolute;
    background-color: rgba(255, 255, 255, 0.3);
}

/* Top-Left */
.mobile-menu__decoration--tl {
    top: 30px;
    left: 30px;
}

.mobile-menu__decoration--tl::before {
    top: 0;
    left: 0;
    width: 0;
    height: 1px;
}

.mobile-menu__decoration--tl::after {
    top: 0;
    left: 0;
    width: 1px;
    height: 0;
}

.mobile-menu.active .mobile-menu__decoration--tl::before {
    animation: menuCornerH 0.5s ease forwards 0.3s;
}

.mobile-menu.active .mobile-menu__decoration--tl::after {
    animation: menuCornerV 0.5s ease forwards 0.4s;
}

/* Top-Right */
.mobile-menu__decoration--tr {
    top: 30px;
    right: 30px;
}

.mobile-menu__decoration--tr::before {
    top: 0;
    right: 0;
    width: 0;
    height: 1px;
}

.mobile-menu__decoration--tr::after {
    top: 0;
    right: 0;
    width: 1px;
    height: 0;
}

.mobile-menu.active .mobile-menu__decoration--tr::before {
    animation: menuCornerH 0.5s ease forwards 0.5s;
}

.mobile-menu.active .mobile-menu__decoration--tr::after {
    animation: menuCornerV 0.5s ease forwards 0.6s;
}

/* Bottom-Left */
.mobile-menu__decoration--bl {
    bottom: 100px;
    left: 30px;
}

.mobile-menu__decoration--bl::before {
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
}

.mobile-menu__decoration--bl::after {
    bottom: 0;
    left: 0;
    width: 1px;
    height: 0;
}

.mobile-menu.active .mobile-menu__decoration--bl::before {
    animation: menuCornerH 0.5s ease forwards 0.7s;
}

.mobile-menu.active .mobile-menu__decoration--bl::after {
    animation: menuCornerV 0.5s ease forwards 0.8s;
}

/* Bottom-Right */
.mobile-menu__decoration--br {
    bottom: 100px;
    right: 30px;
}

.mobile-menu__decoration--br::before {
    bottom: 0;
    right: 0;
    width: 0;
    height: 1px;
}

.mobile-menu__decoration--br::after {
    bottom: 0;
    right: 0;
    width: 1px;
    height: 0;
}

.mobile-menu.active .mobile-menu__decoration--br::before {
    animation: menuCornerH 0.5s ease forwards 0.9s;
}

.mobile-menu.active .mobile-menu__decoration--br::after {
    animation: menuCornerV 0.5s ease forwards 1s;
}

/* Menu Corner Keyframes */
@keyframes menuCornerH {
    0% {
        width: 0;
        opacity: 0;
    }

    100% {
        width: 50px;
        opacity: 1;
    }
}

@keyframes menuCornerV {
    0% {
        height: 0;
        opacity: 0;
    }

    100% {
        height: 50px;
        opacity: 1;
    }
}

/* Mobile Menu Animated Lines */
.mobile-menu__line {
    position: absolute;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    pointer-events: none;
    z-index: 10;
    opacity: 0;
}

.mobile-menu.active .mobile-menu__line {
    opacity: 1;
}

.mobile-menu__line--h {
    width: 100%;
    height: 1px;
    top: 50%;
    left: 0;
    transform: translateY(-50%) scaleX(0);
}

.mobile-menu.active .mobile-menu__line--h {
    animation: menuLineH 1.5s ease forwards 0.5s;
}

.mobile-menu__line--v {
    width: 1px;
    height: 60%;
    top: 20%;
    left: 50%;
    transform: translateX(-50%) scaleY(0);
    background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}

.mobile-menu.active .mobile-menu__line--v {
    animation: menuLineV 1.5s ease forwards 0.7s;
}

@keyframes menuLineH {
    0% {
        transform: translateY(-50%) scaleX(0);
        opacity: 0;
    }

    100% {
        transform: translateY(-50%) scaleX(1);
        opacity: 0.5;
    }
}

@keyframes menuLineV {
    0% {
        transform: translateX(-50%) scaleY(0);
        opacity: 0;
    }

    100% {
        transform: translateX(-50%) scaleY(1);
        opacity: 0.5;
    }
}

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

.hero__video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero__video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
}

.hero__bg-image {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    filter: grayscale(100%);
    animation: slowZoom 20s ease-in-out infinite alternate;
}

@keyframes slowZoom {
    0% {
        transform: scale(1);
    }

    100% {
        transform: scale(1.1);
    }
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom,
            rgba(0, 0, 0, 0.3) 0%,
            rgba(0, 0, 0, 0.5) 50%,
            rgba(0, 0, 0, 0.8) 100%);
}

.hero__content {
    text-align: center;
    z-index: var(--z-base);
    padding: var(--space-md);
}

.hero__logo {
    width: 120px;
    height: auto;
    margin: 0 auto var(--space-lg);
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
    animation-delay: 0.3s;
}

.hero__logo-img {
    width: 450px;
    max-width: 90%;
    height: auto;
    margin: 0 auto var(--space-2xl);
    opacity: 0;
    filter: invert(1);
    mix-blend-mode: screen;
    animation: logoReveal 1.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    animation-delay: 0.2s;
}

@keyframes logoReveal {
    0% {
        opacity: 0;
        transform: scale(0.9);
        filter: invert(1) blur(10px) brightness(0.8);
    }

    60% {
        opacity: 1;
        transform: scale(1.02);
        filter: invert(1) blur(0) brightness(1.2);
    }

    100% {
        opacity: 1;
        transform: scale(1);
        filter: invert(1) blur(0) brightness(1);
    }
}

.hero__title {
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    font-weight: var(--font-weight-light);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin-bottom: var(--space-sm);
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
    animation-delay: 0.5s;
}

.hero__slogan {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
    animation-delay: 0.5s;
}

.hero__scroll {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
    animation-delay: 1s;
}

.hero__scroll-text {
    font-size: 0.625rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-grey);
}

.hero__scroll-icon {
    width: 20px;
    height: 30px;
    border: 1px solid var(--color-grey);
    border-radius: 10px;
    position: relative;
}

.hero__scroll-icon::before {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    width: 2px;
    height: 6px;
    background-color: var(--color-white);
    border-radius: 1px;
    transform: translateX(-50%);
    animation: scrollIndicator 1.5s ease-in-out infinite;
}

/* ============ ABOUT SECTION (HOMEPAGE) ============ */
.about-preview {
    background-color: var(--color-black);
}

.about-preview__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.about-preview__content {
    order: 2;
}

.about-preview__image {
    order: 1;
    position: relative;
    overflow: hidden;
}

.about-preview__image img {
    width: 100%;
    height: auto;
    filter: grayscale(100%);
}

.about-preview__label {
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-grey);
    margin-bottom: var(--space-md);
}

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

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

/* ============ FEATURES SECTION ============ */
.features {
    background-color: var(--color-dark-grey);
}

.features__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

.feature-card {
    padding: var(--space-xl);
    border: 1px solid var(--color-light-grey);
    transition: var(--transition-premium);
}

.feature-card:hover {
    border-color: var(--color-grey);
    background-color: var(--color-light-grey);
}

.feature-card__icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-md);
    color: var(--color-white);
}

.feature-card__title {
    font-size: 1rem;
    margin-bottom: var(--space-sm);
}

.feature-card__text {
    font-size: 0.875rem;
}

/* ============ CTA SECTION ============ */
.cta {
    background-color: var(--color-black);
    border-top: 1px solid var(--color-light-grey);
    border-bottom: 1px solid var(--color-light-grey);
}

.cta__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

.cta-card {
    padding: var(--space-xl);
    text-align: center;
    border: 1px solid var(--color-light-grey);
    transition: var(--transition-premium);
}

.cta-card:hover {
    background-color: var(--color-dark-grey);
    border-color: var(--color-grey);
}

.cta-card__title {
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
}

.cta-card__icon {
    font-size: 2rem;
    margin-bottom: var(--space-md);
}

/* ============ INSTAGRAM SECTION ============ */
.instagram {
    background-color: var(--color-dark-grey);
    position: relative;
    overflow: hidden;
}

.instagram__header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.instagram__header .instagram__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    border-radius: 16px;
    color: var(--color-white);
}

.instagram__header .instagram__icon svg {
    width: 32px;
    height: 32px;
}

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

.instagram__item {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    cursor: pointer;
}

.instagram__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(30%);
    transition: var(--transition-premium);
}

.instagram__item:hover img {
    filter: grayscale(0%);
    transform: scale(1.1);
}

.instagram__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg,
            rgba(240, 148, 51, 0.8) 0%,
            rgba(230, 104, 60, 0.8) 25%,
            rgba(220, 39, 67, 0.8) 50%,
            rgba(204, 35, 102, 0.8) 75%,
            rgba(188, 24, 136, 0.8) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
}

.instagram__overlay svg {
    color: var(--color-white);
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
}

.instagram__item:hover .instagram__overlay {
    opacity: 1;
}

/* Instagram CTA Button */
.instagram__cta {
    text-align: center;
    margin-top: var(--space-xl);
}

.instagram__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-lg);
    border: 2px solid var(--color-white);
    color: var(--color-white);
    background: transparent;
    transition: var(--transition-normal);
}

.instagram__btn:hover {
    background: linear-gradient(135deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(220, 39, 67, 0.4);
}

.instagram__btn svg {
    flex-shrink: 0;
}

/* ============ FOOTER ============ */
.footer {
    background-color: var(--color-black);
    padding: var(--space-3xl) 0 var(--space-lg);
    border-top: 1px solid var(--color-light-grey);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-3xl);
}

.footer__brand {
    text-align: center;
}

.footer__logo {
    height: 40px;
    margin-bottom: var(--space-md);
}

.footer__tagline {
    font-size: 0.875rem;
    color: var(--color-grey);
}

.footer__logo-img {
    height: 220px;
    width: auto;
    margin-bottom: var(--space-lg);
    filter: invert(1);
    mix-blend-mode: screen;
    transition: var(--transition-premium);
}

.footer__logo-img:hover {
    transform: scale(1.05);
    filter: brightness(1.3);
}

.footer__section-title {
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    margin-bottom: var(--space-md);
    color: var(--color-white);
}

.footer__links {
    list-style: none;
}

.footer__link {
    display: block;
    padding: var(--space-xs) 0;
    font-size: 0.875rem;
    color: var(--color-grey);
    transition: var(--transition-normal);
}

.footer__link:hover {
    color: var(--color-white);
}

.footer__social {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    margin-top: var(--space-md);
}

.footer__social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-grey);
    transition: var(--transition-normal);
}

.footer__social-link:hover {
    background-color: var(--color-white);
    border-color: var(--color-white);
}

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

.footer__social-link svg {
    width: 20px;
    height: 20px;
    color: var(--color-white);
}

.footer__bottom {
    text-align: center;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-light-grey);
}

.footer__copyright {
    font-size: 0.75rem;
    color: var(--color-grey);
}

/* ============ WHATSAPP BUTTON ============ */
.whatsapp-btn {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    width: 56px;
    height: 56px;
    background-color: var(--color-dark-grey);
    border: 1px solid var(--color-grey);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-whatsapp);
    transition: var(--transition-premium);
    cursor: pointer;
}

.whatsapp-btn:hover {
    background-color: var(--color-white);
    border-color: var(--color-white);
    transform: scale(1.1);
}

.whatsapp-btn:hover svg {
    color: var(--color-black);
}

.whatsapp-btn svg {
    width: 28px;
    height: 28px;
    color: var(--color-white);
    transition: var(--transition-normal);
}

/* ============ PAGE HEADER ============ */
.page-header {
    padding-top: calc(80px + var(--space-4xl));
    padding-bottom: var(--space-4xl);
    text-align: center;
    background-color: var(--color-black);
    position: relative;
}

.page-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 1px;
    background-color: var(--color-grey);
}

.page-header__title {
    margin-bottom: var(--space-md);
}

.page-header__subtitle {
    color: var(--color-grey);
    max-width: 600px;
    margin: 0 auto;
}

/* ============ MANIFESTO SECTION ============ */
.manifesto-section {
    padding: var(--space-4xl) 0;
    border-bottom: 1px solid var(--color-light-grey);
}

.manifesto-section:last-child {
    border-bottom: none;
}

.manifesto-section__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.manifesto-section__number {
    font-size: 4rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-dark-grey);
    line-height: 1;
    margin-bottom: var(--space-md);
}

.manifesto-section__title {
    margin-bottom: var(--space-md);
}

.manifesto-section__text {
    font-size: 1.125rem;
    line-height: 1.9;
}

.manifesto-section__image {
    aspect-ratio: 4/3;
    overflow: hidden;
}

.manifesto-section__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
}

/* ============ VISION GALLERY ============ */
.vision-gallery {
    padding: var(--space-3xl) 0;
}

.vision-gallery__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
}

.vision-card {
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.vision-card__image {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    filter: grayscale(100%);
    transition: var(--transition-premium);
}

.vision-card:hover .vision-card__image {
    filter: grayscale(0%);
    transform: scale(1.05);
}

.vision-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--space-lg);
    opacity: 0;
    transition: var(--transition-normal);
}

.vision-card:hover .vision-card__overlay {
    opacity: 1;
}

.vision-card__category {
    font-size: 0.625rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-grey);
    margin-bottom: var(--space-xs);
}

.vision-card__title {
    font-size: 1.25rem;
    margin-bottom: var(--space-xs);
}

.vision-card__location {
    font-size: 0.875rem;
    color: var(--color-silver);
}

/* Large Vision Card */
.vision-card--large {
    grid-column: 1 / -1;
}

.vision-card--large .vision-card__image {
    aspect-ratio: 16/9;
}

/* Vision Card - Coming Soon State */
.vision-card--coming-soon .vision-card__image {
    filter: blur(8px) grayscale(50%);
    transform: scale(1.05);
}

.vision-card--coming-soon:hover .vision-card__image {
    filter: blur(4px) grayscale(30%);
    transform: scale(1.1);
}

.vision-card__blur-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.3);
    transition: var(--transition-normal);
}

.vision-card--coming-soon:hover .vision-card__blur-overlay {
    background: rgba(0, 0, 0, 0.4);
}

.vision-card__coming-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-white);
    transition: var(--transition-normal);
}

.vision-card--coming-soon:hover .vision-card__coming-badge {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.05);
}

/* ============ CONTACT PAGE ============ */
.contact-section {
    padding: var(--space-3xl) 0;
}

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

.contact-form {
    background-color: var(--color-dark-grey);
    padding: var(--space-xl);
}

.contact-form__title {
    margin-bottom: var(--space-lg);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.contact-info__item {
    display: flex;
    gap: var(--space-md);
}

.contact-info__icon {
    width: 24px;
    height: 24px;
    color: var(--color-grey);
    flex-shrink: 0;
}

.contact-info__label {
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-grey);
    margin-bottom: var(--space-xs);
}

.contact-info__text {
    color: var(--color-white);
}

.contact-map {
    aspect-ratio: 16/9;
    background-color: var(--color-dark-grey);
    filter: grayscale(100%);
    border: 1px solid var(--color-light-grey);
}

.contact-map iframe {
    width: 100%;
    height: 100%;
    border: none;
    filter: grayscale(100%) invert(100%);
}

/* ============ ANIMATIONS ============ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes scrollIndicator {

    0%,
    100% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }

    50% {
        opacity: 0.5;
        transform: translateX(-50%) translateY(8px);
    }
}

/* Scroll Animation Classes */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

.animate-on-scroll.delay-1 {
    transition-delay: 0.1s;
}

.animate-on-scroll.delay-2 {
    transition-delay: 0.2s;
}

.animate-on-scroll.delay-3 {
    transition-delay: 0.3s;
}

.animate-on-scroll.delay-4 {
    transition-delay: 0.4s;
}

/* ============ LIGHTBOX ============ */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox__image {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
}

.lightbox__close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    width: 40px;
    height: 40px;
    background: none;
    border: 1px solid var(--color-grey);
    color: var(--color-white);
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
}

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

/* ============ VALUES SECTION ============ */
.values-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

@media (min-width: 768px) {
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .values-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.value-card {
    padding: var(--space-xl);
    border: 1px solid var(--color-light-grey);
    text-align: center;
    transition: var(--transition-premium);
}

.value-card:hover {
    border-color: var(--color-grey);
    background-color: var(--color-dark-grey);
    transform: translateY(-5px);
}

.value-card__icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-md);
    color: var(--color-silver);
}

.value-card__icon svg {
    width: 100%;
    height: 100%;
}

.value-card__title {
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: var(--space-sm);
}

.value-card__text {
    font-size: 0.875rem;
    color: var(--color-silver);
}

/* ============ STATS SECTION ============ */
.stats-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: 16px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    text-align: center;
}

.stats-grid--blurred {
    filter: blur(8px);
    opacity: 0.3;
    user-select: none;
    pointer-events: none;
}

@media (min-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.stat-card {
    padding: var(--space-xl);
}

.stat-card__number {
    display: block;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.02em;
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.stat-card__label {
    font-size: 0.75rem;
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-silver);
}

/* Stats Coming Soon - Premium Design */
.stats-coming-soon {
    text-align: center;
    padding: var(--space-3xl) var(--space-xl);
    max-width: 800px;
    margin: 0 auto;
}

.stats-coming-soon__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    background: transparent;
    border: 1px solid var(--color-grey);
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-silver);
    margin-bottom: var(--space-lg);
}

.stats-coming-soon__title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: var(--font-weight-semibold);
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: var(--space-lg);
    color: var(--color-white);
}

.stats-coming-soon__text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-silver);
    margin-bottom: var(--space-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.stats-coming-soon__items {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    max-width: 500px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .stats-coming-soon__items {
        grid-template-columns: repeat(4, 1fr);
        max-width: 100%;
    }
}

.stats-coming-soon__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-light-grey);
    border-radius: 12px;
    transition: var(--transition-normal);
}

.stats-coming-soon__item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-grey);
    transform: translateY(-2px);
}

.stats-coming-soon__icon {
    width: 40px;
    height: 40px;
    color: var(--color-white);
    opacity: 0.7;
}

.stats-coming-soon__icon svg {
    width: 100%;
    height: 100%;
}

.stats-coming-soon__label {
    font-size: 0.7rem;
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-silver);
}

/* Pulse Dot Animation */
.pulse-dot {
    width: 6px;
    height: 6px;
    background: #4CAF50;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        box-shadow: 0 0 0 0 rgba(76, 175, 80, 0.7);
    }

    50% {
        opacity: 0.7;
        box-shadow: 0 0 0 6px rgba(76, 175, 80, 0);
    }
}

/* Background utility */
.bg-dark-grey {
    background-color: var(--color-dark-grey);
}

/* ============ MOBILE OPTIMIZATION ============ */
@media screen and (max-width: 767px) {

    /* Language Switcher - Hide on mobile (use hamburger menu instead) */
    .lang-switcher {
        display: none;
    }

    /* Hero - Mobile full viewport fix */
    .hero {
        height: 100vh !important;
        height: 100svh !important;
        min-height: 100vh !important;
        min-height: -webkit-fill-available !important;
        margin: 0 !important;
        padding: 0 !important;
    }

    .hero__video-container {
        position: absolute !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        width: 100% !important;
        height: 100% !important;
    }

    .hero__bg-image {
        position: absolute !important;
        top: 0 !important;
        left: 0 !important;
        width: 100% !important;
        height: 100% !important;
        background-size: 280% auto !important;
        background-position: center center !important;
    }

    .hero__overlay {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
    }

    .hero__content {
        position: relative;
        z-index: 10;
        padding: 0 20px;
    }

    .hero__logo-img {
        max-height: 140px;
        width: auto;
    }

    .hero__slogan {
        font-size: 1.4rem;
        line-height: 1.3;
    }

    /* Mobile Menu Language Switcher - Show in mobile menu */
    .mobile-lang-switcher {
        display: flex;
        justify-content: center;
        gap: 10px;
        margin-top: 30px;
    }
}