/* 
 * MIAVASA Design System
 * ---------------------
 * Colors: Charcoal, White, Light warm gray, Steel gray, Muted Orange/Amber
 * Typography: Outfit (Headings), Inter (Body)
 */

:root {
    /* Colors */
    --clr-black: #0f1115;
    --clr-charcoal: #1a1d24;
    --clr-steel: #565d6b;
    --clr-gray-light: #f3f4f6;
    --clr-white: #ffffff;
    --clr-accent: #d97736;
    --clr-accent-hover: #c46425;

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);

    /* Spacing */
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--clr-charcoal);
    background-color: var(--clr-white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* Typography */
h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.1;
    color: var(--clr-black);
}

h1 {
    font-size: clamp(3rem, 5vw + 1rem, 6rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3.5rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.5rem;
}

p {
    font-size: 1.125rem;
    color: var(--clr-steel);
}

.section-padding {
    padding: var(--spacing-xl) 0;
}

.bg-light {
    background-color: var(--clr-gray-light);
}

.bg-dark {
    background-color: var(--clr-charcoal);
    color: var(--clr-white);
}

.bg-dark h2,
.bg-dark h3,
.bg-dark h4 {
    color: var(--clr-white);
}

.bg-dark p {
    color: #a1a6b2;
}

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

/* =========================================
   Buttons & Links
   ========================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: var(--transition-fast);
}

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

.btn-primary:hover {
    background-color: var(--clr-accent-hover);
}

.btn-outline {
    background-color: transparent;
    color: var(--clr-white);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

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

.btn-text {
    padding: 0;
    color: var(--clr-accent);
    font-size: 1.125rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-text .arrow {
    transition: transform var(--transition-fast);
}

.btn-text:hover .arrow {
    transform: translateX(5px);
}

/* =========================================
   Header
   ========================================= */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition-smooth);
}

.site-header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
}

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

.logo img {
    height: 40px;
    transition: var(--transition-smooth);
}

.site-header.scrolled .logo img {
    filter: brightness(1) invert(0);
}

.main-nav ul {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.main-nav a {
    color: var(--clr-white);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.main-nav a:hover {
    color: var(--clr-accent);
}

.site-header.scrolled .main-nav a {
    color: var(--clr-charcoal);
}

.site-header.scrolled .main-nav a:hover {
    color: var(--clr-accent);
}

.btn-nav {
    padding: 0.75rem 1.5rem;
}

.site-header.scrolled .btn-nav {
    color: var(--clr-white) !important;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
    z-index: 1001;
}

.mobile-menu-toggle span {
    display: block;
    width: 30px;
    height: 2px;
    background-color: var(--clr-white);
    transition: var(--transition-fast);
}

.site-header.scrolled .mobile-menu-toggle span {
    background-color: var(--clr-charcoal);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
    background-color: var(--clr-charcoal);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
    background-color: var(--clr-charcoal);
}

/* =========================================
   Hero Section
   ========================================= */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    color: var(--clr-white);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    z-index: -2;
    transform: scale(1.05);
    animation: zoomOut 20s linear infinite alternate;
}

@keyframes zoomOut {
    0% {
        transform: scale(1.05);
    }

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(15, 17, 21, 0.85) 0%, rgba(15, 17, 21, 0.4) 100%);
    z-index: -1;
}

.hero-content {
    max-width: 900px;
    padding-top: 5rem;
}

.hero-content p {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: rgba(255, 255, 255, 0.85);
    margin: 1.5rem 0 3rem;
    max-width: 700px;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

/* =========================================
   Company Section
   ========================================= */
.company-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.company-text p {
    margin: 1.5rem 0 2rem;
}

.company-image {
    position: relative;
}

.company-image::before {
    content: '';
    position: absolute;
    top: -2rem;
    right: -2rem;
    width: 100%;
    height: 100%;
    background-color: var(--clr-gray-light);
    z-index: -1;
}

.company-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* =========================================
   Services Section
   ========================================= */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.service-card {
    background: var(--clr-white);
    padding: 3rem 2.5rem;
    transition: var(--transition-smooth);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
    border-color: transparent;
}

.service-icon {
    width: 50px;
    height: 50px;
    background-color: var(--clr-accent);
    margin-bottom: 2rem;
    border-radius: 2px;
    position: relative;
}

.service-icon::after {
    content: '';
    position: absolute;
    top: 15px;
    left: 15px;
    width: 100%;
    height: 100%;
    border: 2px solid rgba(217, 119, 54, 0.3);
}

.service-card h3 {
    margin-bottom: 1rem;
}

/* =========================================
   Projects Section
   ========================================= */
.projects-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 3rem;
    flex-wrap: wrap;
    gap: 2rem;
}

.project-filters {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: transparent;
    border: none;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--clr-steel);
    cursor: pointer;
    padding-bottom: 0.5rem;
    position: relative;
    transition: var(--transition-fast);
}

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

.filter-btn:hover,
.filter-btn.active {
    color: var(--clr-charcoal);
}

.filter-btn.active::after {
    width: 100%;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: 2rem;
}

.project-card {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
    display: block;
}

.project-image {
    width: 100%;
    height: 100%;
    transition: transform var(--transition-slow);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.85) contrast(1.1);
}

.project-card:hover .project-image {
    transform: scale(1.05);
}

.project-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2.5rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
    color: var(--clr-white);
    transform: translateY(1rem);
    opacity: 0.9;
    transition: var(--transition-smooth);
}

.project-card:hover .project-info {
    transform: translateY(0);
    opacity: 1;
}

.project-info h3 {
    color: var(--clr-white);
    margin-bottom: 0.25rem;
    font-size: 1.5rem;
}

.project-category {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--clr-accent);
    font-weight: 600;
}

/* =========================================
   Contact Section
   ========================================= */
.contact-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
}

.contact-info p {
    margin-top: 1.5rem;
    margin-bottom: 3rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item h4 {
    color: var(--clr-accent);
    margin-bottom: 0.5rem;
    font-family: var(--font-body);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.875rem;
}

.contact-form-wrapper {
    background: var(--clr-white);
    padding: 3rem;
    border-radius: 2px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--clr-charcoal);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid rgba(0, 0, 0, 0.1);
    font-family: var(--font-body);
    font-size: 1rem;
    background: var(--clr-gray-light);
    transition: border-color var(--transition-fast);
}

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

.btn-block {
    width: 100%;
}

/* =========================================
   Footer
   ========================================= */
.site-footer {
    background-color: var(--clr-black);
    color: var(--clr-white);
    padding: 5rem 0 2rem;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4rem;
    padding-bottom: 4rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-brand img {
    height: 40px;
}

.footer-links ul {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: #a1a6b2;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    color: #a1a6b2;
    font-size: 0.875rem;
}

/* =========================================
   Animations
   ========================================= */
.reveal-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal-up.active,
.reveal-left.active,
.reveal-right.active {
    opacity: 1;
    transform: translate(0);
    color: white;
}

.delay-1 {
    transition-delay: 0.1s;
}

.delay-2 {
    transition-delay: 0.2s;
}

.delay-3 {
    transition-delay: 0.3s;
}

/* =========================================
   Responsive Media Queries
   ========================================= */
@media (max-width: 1024px) {

    .company-inner,
    .contact-inner {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .company-image {
        order: -1;
    }

    .projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background-color: var(--clr-white);
        display: flex;
        align-items: center;
        justify-content: center;
        transition: right var(--transition-smooth);
    }

    .main-nav.active {
        right: 0;
    }

    .main-nav ul {
        flex-direction: column;
        align-items: center;
        gap: 2rem;
    }

    .main-nav a {
        color: var(--clr-charcoal);
        font-size: 1.5rem;
    }

    .btn-nav {
        margin-top: 1rem;
    }

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

    .footer-top {
        flex-direction: column;
        text-align: center;
    }

    .footer-links ul {
        flex-direction: column;
        gap: 1rem;
    }

    .section-padding {
        padding: 4rem 0;
    }
}