/* ============================================
   СОФБИЛД 87 - Main Stylesheet
   Professional Construction Company
   Color Scheme: White & Blue
   ============================================ */

/* CSS Variables */
:root {
    /* Primary Colors */
    --color-primary: #1a365d;
    --color-primary-light: #2c5282;
    --color-primary-dark: #0f2744;
    --color-accent: #3182ce;

    /* Neutral Colors */
    --color-white: #ffffff;
    --color-off-white: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-400: #94a3b8;
    --color-gray-500: #64748b;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1e293b;
    --color-gray-900: #0f172a;

    /* Typography */
    --font-display: 'Bebas Neue', sans-serif;
    --font-body: 'Montserrat', sans-serif;

    /* 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;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

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

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

html {
    font-size: 16px;
}

/* Locomotive Scroll - remove default scroll when active */
html.has-scroll-smooth {
    overflow: hidden;
}

html.has-scroll-smooth body {
    overflow: hidden;
}

.has-scroll-smooth [data-scroll-container] {
    min-height: 100vh;
}

/* Subtle parallax elements */
[data-scroll] {
    will-change: transform;
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-gray-700);
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* Container */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* Typography */
.text--accent {
    color: var(--color-accent);
}

.section__badge {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.badge__number {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--color-accent);
    letter-spacing: 0.1em;
}

.badge__text {
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-gray-500);
}

.section__title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.1;
    color: var(--color-gray-900);
    letter-spacing: 0.02em;
    margin-bottom: var(--space-lg);
}

.section__title--light {
    color: var(--color-white);
}

.section__header {
    margin-bottom: var(--space-2xl);
}

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

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-base);
}

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

.btn--primary:hover {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.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-primary);
}

.btn--full {
    width: 100%;
}

/* ============================================
   HEADER
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: transparent;
    transition: var(--transition-base);
}

.header.scrolled {
    background-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--space-md);
}

.header__logo {
    display: flex;
    align-items: center;
}

.logo__image {
    height: 75px;
    width: auto;
    transition: transform 0.3s ease;
}

.header__logo:hover .logo__image {
    transform: scale(1.05);
}

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

.nav__link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    position: relative;
    padding: 0.5rem 0;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: var(--transition-base);
}

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

.header__burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.header__burger span {
    width: 24px;
    height: 2px;
    background-color: var(--color-white);
    transition: var(--transition-base);
}

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

.hero__bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
}

.hero__bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 50%, transparent 0%, rgba(0,0,0,0.3) 100%);
}

/* Construction cranes */
.hero__cranes {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}

.hero__crane {
    position: absolute;
    bottom: 0;
    opacity: 0.08;
    filter: brightness(0) invert(1);
}

.hero__crane--1 {
    right: 5%;
    height: 85%;
}

.hero__crane--2 {
    right: 25%;
    height: 65%;
    transform: scaleX(-1);
}

@media (max-width: 768px) {
    .hero__crane--1 {
        height: 60%;
        right: -5%;
    }
    .hero__crane--2 {
        display: none;
    }
}

/* Building silhouette */
.hero__silhouette {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 70%;
    pointer-events: none;
    z-index: 1;
    color: rgba(0, 0, 0, 0.12);
}

.hero__silhouette svg {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 100%;
    height: 100%;
}

.hero__silhouette svg rect {
    fill: rgba(212, 175, 55, 0.5);
}

@media (max-width: 768px) {
    .hero__silhouette {
        height: 50%;
        color: rgba(0, 0, 0, 0.08);
    }
}

.hero__content {
    position: relative;
    z-index: 10;
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--space-4xl) var(--space-md);
}

.hero__badge {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.2s forwards;
}

.badge__line {
    width: 40px;
    height: 2px;
    background-color: var(--color-accent);
}

.hero__badge .badge__text {
    color: var(--color-gray-300);
}

.hero__title {
    margin-bottom: var(--space-lg);
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.4s forwards;
}

.title__line {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 6rem);
    line-height: 1;
    color: var(--color-white);
    letter-spacing: 0.02em;
}

.title__line--accent {
    color: var(--color-accent);
}

.hero__subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-300);
    max-width: 500px;
    margin-bottom: var(--space-xl);
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.6s forwards;
}

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

.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: fadeIn 1s ease 1.2s forwards;
}

.scroll__text {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-gray-400);
    writing-mode: vertical-rl;
}

.scroll__line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
    animation: scrollBounce 2s ease infinite;
}

.hero__geometric {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.geometric__shape {
    position: absolute;
    border: 1px solid rgba(255,255,255,0.1);
}

.geometric__shape--1 {
    width: 400px;
    height: 400px;
    right: -100px;
    top: 10%;
    transform: rotate(45deg);
    animation: float 20s ease-in-out infinite;
}

.geometric__shape--2 {
    width: 200px;
    height: 200px;
    right: 20%;
    bottom: 20%;
    border-radius: 50%;
    animation: float 15s ease-in-out infinite reverse;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    padding: var(--space-4xl) 0;
    background-color: var(--color-white);
}

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

.about__content {
    max-width: 560px;
}

.about__text {
    font-size: 1.0625rem;
    color: var(--color-gray-600);
    margin-bottom: var(--space-xl);
    line-height: 1.8;
}

.about__stats {
    display: flex;
    gap: var(--space-2xl);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat__number {
    font-family: var(--font-display);
    font-size: 3.5rem;
    color: var(--color-primary);
    line-height: 1;
}

.stat__label {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: var(--space-xs);
}

.about__visual {
    position: relative;
}

.visual__frame {
    position: relative;
    aspect-ratio: 4/5;
}

.visual__image {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-gray-200), var(--color-gray-300));
    background-size: cover;
    background-position: center;
    border-radius: var(--radius-md);
    position: relative;
    overflow: hidden;
}

.visual__accent {
    position: absolute;
    width: 60%;
    height: 60%;
    right: -30px;
    bottom: -30px;
    border: 3px solid var(--color-accent);
    border-radius: var(--radius-md);
    z-index: -1;
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services {
    padding: var(--space-4xl) 0;
    background-color: var(--color-off-white);
    position: relative;
    overflow: hidden;
}

/* Blueprint grid background pattern */
.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(var(--color-primary) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-primary) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.03;
    pointer-events: none;
}

/* Decorative diagonal lines in corners */
.services::after {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background:
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 20px,
            var(--color-primary) 20px,
            var(--color-primary) 21px
        );
    opacity: 0.04;
    pointer-events: none;
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.service-card {
    background:
        linear-gradient(135deg, rgba(26, 54, 93, 0.06) 0%, transparent 50%, rgba(212, 175, 55, 0.05) 100%),
        var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    background:
        linear-gradient(135deg, rgba(26, 54, 93, 0.1) 0%, transparent 50%, rgba(212, 175, 55, 0.08) 100%),
        var(--color-white);
}

.service-card__icon {
    width: 64px;
    height: 64px;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
    transition: var(--transition-base);
}

.service-card:hover .service-card__icon {
    color: var(--color-accent);
    transform: scale(1.1);
}

.service-card__title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-gray-900);
    margin-bottom: var(--space-sm);
    letter-spacing: 0.02em;
}

.service-card__text {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* Background decorative vectors */
.service-card__bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    color: var(--color-primary);
    opacity: 0.06;
    transition: var(--transition-base);
    pointer-events: none;
    z-index: 0;
}

.service-card__bg svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.service-card:hover .service-card__bg {
    opacity: 0.12;
    color: var(--color-accent);
}

/* Ensure content stays above background */
.service-card__icon,
.service-card__title {
    position: relative;
    z-index: 1;
}

/* ============================================
   PROJECTS SECTION
   ============================================ */
.projects {
    padding: var(--space-4xl) 0;
    background-color: var(--color-white);
}

.projects__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.project-card {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: var(--color-gray-100);
    transition: var(--transition-base);
}

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

.project-card--large {
    grid-row: span 2;
}

.project-card--wide {
    grid-column: span 2;
}

/* Stack layout for two half-height cards */
.project-card-stack {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.project-card--half {
    flex: 1;
}

.project-card--half .project-card__image {
    aspect-ratio: 16/8;
}

.project-card__image {
    aspect-ratio: 16/10;
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary-dark) 100%);
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
}

.project-card--large .project-card__image {
    aspect-ratio: auto;
    height: 100%;
    min-height: 400px;
}

.project-card__image::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px),
        linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px);
    background-size: 40px 40px;
}

.project-card__image--2 {
    background: linear-gradient(135deg, #2d5a27 0%, #1a3518 100%);
}

.project-card__image--3 {
    background: linear-gradient(135deg, #5a4327 0%, #352818 100%);
}

.project-card__image--4 {
    background: linear-gradient(135deg, #275a5a 0%, #183535 100%);
}

.project-card__image--5 {
    background: linear-gradient(135deg, #5a2727 0%, #351818 100%);
}

.project-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 60%);
    display: flex;
    align-items: flex-start;
    padding: var(--space-md);
    opacity: 0;
    transition: var(--transition-base);
}

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

.project-card__category {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-white);
    background-color: var(--color-accent);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
}

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

.project-card--large .project-card__content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, transparent 100%);
    padding: var(--space-xl) var(--space-md);
}

.project-card__title {
    font-family: var(--font-display);
    font-size: 1.375rem;
    color: var(--color-gray-900);
    margin-bottom: var(--space-xs);
    letter-spacing: 0.02em;
}

.project-card--large .project-card__title {
    color: var(--color-white);
    font-size: 1.75rem;
}

.project-card__location {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.project-card--large .project-card__location {
    color: var(--color-gray-300);
}

.project-card__location svg {
    flex-shrink: 0;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    padding: var(--space-4xl) 0;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 80px 80px;
}

/* Decorative background image with fade effect */
.contact__circle-decoration {
    position: absolute;
    top: 50%;
    left: -5%;
    transform: translateY(-50%);
    width: 900px;
    height: 700px;
    z-index: 0;
    pointer-events: none;
}

.contact__circle-glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(212, 175, 55, 0.1) 0%, transparent 50%);
}

.contact__circle-image {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.contact__circle-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.08;
    filter: blur(3px);
    -webkit-mask-image: radial-gradient(ellipse at center, black 10%, transparent 60%);
    mask-image: radial-gradient(ellipse at center, black 10%, transparent 60%);
}

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

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

.contact__info .badge__number {
    color: var(--color-accent);
}

.contact__info .badge__text {
    color: var(--color-gray-400);
}

.contact__text {
    font-size: 1.125rem;
    color: var(--color-gray-300);
    margin-bottom: var(--space-xl);
}

.contact__details {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.contact__item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.contact__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255,255,255,0.1);
    border-radius: var(--radius-sm);
    color: var(--color-accent);
}

.contact__item-content {
    display: flex;
    flex-direction: column;
}

.contact__label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gray-400);
}

.contact__value {
    font-size: 1rem;
    color: var(--color-white);
}

.contact__form-wrapper {
    position: relative;
    background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
    padding: var(--space-2xl);
    border-radius: var(--radius-lg);
    box-shadow:
        0 25px 50px -12px rgba(0, 0, 0, 0.25),
        0 0 0 1px rgba(255, 255, 255, 0.1);
    overflow: hidden;
}

.contact__form-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
}

.contact__form-wrapper::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(49, 130, 206, 0.03) 0%, transparent 70%);
    pointer-events: none;
}

.contact__form-header {
    text-align: center;
    margin-bottom: var(--space-xl);
    position: relative;
    z-index: 1;
}

.contact__form-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    color: var(--color-gray-900);
    letter-spacing: 0.02em;
    margin-bottom: var(--space-xs);
}

.contact__form-subtitle {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
}

.contact__form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    position: relative;
    z-index: 1;
}

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

.form__group {
    width: 100%;
    position: relative;
}

.form__label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gray-500);
    margin-bottom: var(--space-xs);
}

.form__input {
    width: 100%;
    padding: 1rem 1.25rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.form__input::placeholder {
    color: var(--color-gray-400);
    font-weight: 300;
}

.form__input:hover {
    border-color: var(--color-gray-300);
}

.form__input:focus {
    outline: none;
    border-color: var(--color-accent);
    background-color: var(--color-white);
    box-shadow:
        0 0 0 3px rgba(49, 130, 206, 0.1),
        0 1px 2px rgba(0, 0, 0, 0.04);
}

.form__textarea {
    resize: vertical;
    min-height: 140px;
    line-height: 1.6;
}

.form__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: var(--space-sm);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-gray-100);
}

.form__note {
    font-size: 0.8125rem;
    color: var(--color-gray-400);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form__note svg {
    flex-shrink: 0;
}

.btn--submit {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    border: none;
    padding: 1rem 2.5rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn--submit::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: 0.5s;
}

.btn--submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -10px rgba(26, 54, 93, 0.5);
}

.btn--submit:hover::before {
    left: 100%;
}

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

/* Form Success Message */
.form-success {
    display: none;
    text-align: center;
    padding: var(--space-2xl);
}

.form-success.active {
    display: block;
}

.form-success__icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
}

.form-success__icon svg {
    width: 32px;
    height: 32px;
    color: white;
}

.form-success__title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-gray-900);
    margin-bottom: var(--space-sm);
}

.form-success__text {
    color: var(--color-gray-600);
    line-height: 1.6;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background-color: var(--color-gray-900);
    padding: var(--space-3xl) 0 var(--space-lg);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-2xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid var(--color-gray-800);
}

.footer__company-info {
    margin-top: var(--space-md);
    font-size: 0.875rem;
    color: var(--color-gray-500);
    line-height: 1.8;
}

.footer__company-info strong {
    color: var(--color-gray-300);
}

.footer__logo {
    display: flex;
    align-items: center;
    margin-bottom: var(--space-md);
}

.footer__logo .logo__image {
    height: 100px;
    width: auto;
}

.footer__tagline {
    color: var(--color-gray-500);
    font-size: 0.9375rem;
}

.footer__title {
    font-family: var(--font-display);
    font-size: 1.125rem;
    color: var(--color-white);
    margin-bottom: var(--space-md);
    letter-spacing: 0.05em;
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer__list a {
    color: var(--color-gray-500);
    font-size: 0.9375rem;
    transition: var(--transition-fast);
}

.footer__list a:hover {
    color: var(--color-accent);
}

.footer__bottom {
    padding-top: var(--space-lg);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

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

.footer__legal-links {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.footer__cookie-link {
    color: var(--color-gray-500);
    font-size: 0.8125rem;
    transition: var(--transition-fast);
}

.footer__cookie-link:hover {
    color: var(--color-accent);
}

.footer__link-separator {
    color: var(--color-gray-600);
    font-size: 0.75rem;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes scrollBounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(10px);
    }
}

@keyframes float {
    0%, 100% {
        transform: rotate(45deg) translate(0, 0);
    }
    50% {
        transform: rotate(45deg) translate(-20px, 20px);
    }
}

/* Scroll animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .project-card--large {
        grid-row: span 1;
    }

    .project-card--wide {
        grid-column: span 2;
    }
}

/* ============================================
   TABLET (max-width: 1024px)
   ============================================ */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--space-md);
    }

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

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

    .footer__grid {
        grid-template-columns: 1.5fr 1fr 1fr;
    }
}

/* ============================================
   MOBILE (max-width: 768px)
   ============================================ */
@media (max-width: 768px) {
    /* Base adjustments */
    html {
        font-size: 15px;
    }

    .container {
        padding: 0 var(--space-sm);
    }

    /* Header & Navigation */
    .header__container {
        padding: var(--space-sm) var(--space-md);
    }

    .header__nav {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        height: 100vh;
        height: 100dvh; /* Dynamic viewport height for mobile */
        background-color: var(--color-primary);
        display: flex;
        align-items: center;
        justify-content: center;
        transform: translateX(100%);
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1000;
    }

    .header__nav.active {
        transform: translateX(0);
    }

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

    .nav__link {
        font-size: 1.5rem;
        display: block;
        padding: var(--space-sm) var(--space-lg);
    }

    .nav__link::after {
        display: none;
    }

    .header__burger {
        display: flex;
        z-index: 1001;
    }

    .logo__image {
        height: 60px;
    }

    .header__burger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .header__burger.active span:nth-child(2) {
        opacity: 0;
    }

    .header__burger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    /* Hero Section */
    .hero {
        min-height: 100vh;
        min-height: 100dvh;
    }

    .hero__content {
        padding: var(--space-3xl) var(--space-md);
        padding-top: 120px;
    }

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

    .title__line {
        font-size: clamp(2.2rem, 10vw, 3.5rem);
    }

    .hero__subtitle {
        font-size: 1rem;
        margin-bottom: var(--space-lg);
    }

    .hero__actions {
        flex-direction: column;
        gap: var(--space-sm);
        width: 100%;
    }

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

    .hero__scroll {
        display: none;
    }

    .hero__geometric {
        display: none;
    }

    /* Sections */
    .about,
    .services,
    .projects,
    .contact {
        padding: var(--space-2xl) 0;
    }

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

    .section__title {
        font-size: clamp(1.75rem, 6vw, 2.5rem);
        margin-bottom: var(--space-md);
    }

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

    /* About Section */
    .about__grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .about__visual {
        order: -1;
    }

    .visual__frame {
        aspect-ratio: 4/3;
        max-width: 100%;
    }

    .visual__accent {
        width: 50%;
        height: 50%;
        right: -15px;
        bottom: -15px;
    }

    .about__text {
        font-size: 1rem;
        margin-bottom: var(--space-lg);
    }

    .about__stats {
        flex-direction: row;
        justify-content: space-around;
        gap: var(--space-lg);
    }

    .stat {
        text-align: center;
    }

    .stat__number {
        font-size: 2.5rem;
    }

    .stat__label {
        font-size: 0.75rem;
    }

    /* Services Section */
    .services__grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

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

    .service-card__icon {
        width: 48px;
        height: 48px;
        margin-bottom: var(--space-sm);
    }

    .service-card__title {
        font-size: 1.25rem;
    }

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

    /* Projects Section */
    .projects__grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .project-card--large,
    .project-card--wide {
        grid-column: span 1;
        grid-row: span 1;
    }

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

    .project-card--half .project-card__image {
        aspect-ratio: 16/10;
    }

    .project-card__image {
        aspect-ratio: 16/10;
    }

    .project-card--large .project-card__image {
        min-height: auto;
        height: auto;
    }

    .project-card--large .project-card__content {
        position: relative;
        background: none;
        padding: var(--space-md);
    }

    .project-card--large .project-card__title {
        color: var(--color-gray-900);
        font-size: 1.25rem;
    }

    .project-card--large .project-card__location {
        color: var(--color-gray-500);
    }

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

    .project-card__title {
        font-size: 1.125rem;
    }

    .project-card__location {
        font-size: 0.8125rem;
    }

    /* Contact Section */
    .contact__circle-decoration {
        top: -50px;
        left: 50%;
        transform: translateX(-50%);
        width: 120%;
        height: 600px;
    }

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

    .contact__info {
        text-align: center;
    }

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

    .contact__text {
        font-size: 1rem;
    }

    .contact__details {
        align-items: center;
    }

    .contact__item {
        flex-direction: column;
        text-align: center;
        gap: var(--space-sm);
    }

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

    .contact__form-title {
        font-size: 1.5rem;
    }

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

    .form__input {
        padding: 0.875rem 1rem;
        font-size: 16px; /* Prevents zoom on iOS */
    }

    .form__footer {
        flex-direction: column;
        gap: var(--space-md);
        align-items: stretch;
    }

    .form__note {
        justify-content: center;
        order: 2;
    }

    .btn--submit {
        width: 100%;
        padding: 1rem;
    }

    /* Footer */
    .footer {
        padding: var(--space-xl) 0 var(--space-md);
    }

    .footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-lg);
        text-align: left;
    }

    .footer__brand {
        grid-column: span 2;
        text-align: center;
        margin-bottom: var(--space-md);
    }

    .footer__logo {
        justify-content: center;
    }

    .footer__tagline {
        font-size: 0.875rem;
    }

    .footer__company-info {
        font-size: 0.8125rem;
    }

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

    .footer__list {
        gap: 0.5rem;
    }

    .footer__list a {
        font-size: 0.875rem;
    }

    .footer__bottom {
        padding-top: var(--space-md);
    }

    .footer__copyright {
        font-size: 0.75rem;
    }
}

/* ============================================
   SMALL MOBILE (max-width: 480px)
   ============================================ */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .container {
        padding: 0 var(--space-sm);
    }

    .logo__image {
        height: 55px;
    }

    .title__line {
        font-size: 2rem;
    }

    .section__title {
        font-size: 1.75rem;
    }

    .about__stats {
        flex-direction: column;
        gap: var(--space-md);
    }

    .stat__number {
        font-size: 2rem;
    }

    /* Footer for very small screens */
    .footer__grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-lg);
    }

    .footer__brand {
        grid-column: span 1;
    }

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

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

    .btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.8125rem;
    }

    .btn--submit {
        padding: 0.875rem;
    }

    .contact__form-wrapper {
        padding: var(--space-md);
    }

    .contact__form-header {
        margin-bottom: var(--space-lg);
    }

    .contact__form-title {
        font-size: 1.25rem;
    }

    .contact__form-subtitle {
        font-size: 0.8125rem;
    }
}

/* ============================================
   TOUCH DEVICE OPTIMIZATIONS
   ============================================ */
@media (hover: none) and (pointer: coarse) {
    /* Larger touch targets */
    .nav__link {
        padding: var(--space-sm) var(--space-md);
    }

    .btn {
        min-height: 48px;
    }

    .form__input {
        min-height: 48px;
    }

    /* Remove hover effects that don't work on touch */
    .service-card:hover {
        transform: none;
    }

    .project-card:hover {
        transform: none;
    }

    .project-card__overlay {
        opacity: 1;
        background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 40%);
    }

    .btn--submit:hover {
        transform: none;
    }

    .btn--submit:hover::before {
        display: none;
    }
}

/* ============================================
   LANDSCAPE MOBILE
   ============================================ */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: var(--space-3xl) 0;
    }

    .hero__content {
        padding-top: 80px;
    }

    .title__line {
        font-size: 2rem;
    }

    .hero__subtitle {
        display: none;
    }

    .hero__actions {
        flex-direction: row;
    }

    .hero__actions .btn {
        width: auto;
    }
}

/* ============================================
   SAFE AREA INSETS (for notched phones)
   ============================================ */
@supports (padding: max(0px)) {
    .header__container {
        padding-left: max(var(--space-md), env(safe-area-inset-left));
        padding-right: max(var(--space-md), env(safe-area-inset-right));
    }

    .container {
        padding-left: max(var(--space-sm), env(safe-area-inset-left));
        padding-right: max(var(--space-sm), env(safe-area-inset-right));
    }

    .footer__bottom {
        padding-bottom: max(var(--space-md), env(safe-area-inset-bottom));
    }
}

/* ============================================
   COOKIE CONSENT BANNER
   ============================================ */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--color-gray-900);
    padding: var(--space-lg) var(--space-md);
    z-index: 9999;
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
}

.cookie-banner.active {
    transform: translateY(0);
}

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

.cookie-banner__content {
    flex: 1;
}

.cookie-banner__title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--color-white);
    margin-bottom: var(--space-xs);
    letter-spacing: 0.02em;
}

.cookie-banner__text {
    color: var(--color-gray-400);
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0;
}

.cookie-banner__text a {
    color: var(--color-accent);
    text-decoration: underline;
    transition: var(--transition-fast);
}

.cookie-banner__text a:hover {
    color: var(--color-white);
}

.cookie-banner__actions {
    display: flex;
    gap: var(--space-sm);
    flex-shrink: 0;
}

.cookie-btn {
    padding: 0.75rem 1.5rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-base);
    border: none;
}

.cookie-btn--accept {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
}

.cookie-btn--accept:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(49, 130, 206, 0.4);
}

.cookie-btn--decline {
    background-color: transparent;
    color: var(--color-gray-400);
    border: 1px solid var(--color-gray-700);
}

.cookie-btn--decline:hover {
    background-color: var(--color-gray-800);
    color: var(--color-white);
    border-color: var(--color-gray-600);
}

/* Cookie Banner Responsive */
@media (max-width: 768px) {
    .cookie-banner {
        padding: var(--space-md);
    }

    .cookie-banner__container {
        flex-direction: column;
        text-align: center;
        gap: var(--space-md);
    }

    .cookie-banner__title {
        font-size: 1.125rem;
    }

    .cookie-banner__text {
        font-size: 0.8125rem;
    }

    .cookie-banner__actions {
        width: 100%;
        flex-direction: column;
    }

    .cookie-btn {
        width: 100%;
        padding: 0.875rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .cookie-banner__actions {
        flex-direction: column-reverse;
    }
}