/**
 * Nef Ahşap A.Ş. — Public Site Stylesheet
 * Premium architectural brand design
 */

/* ========================================
   CSS Custom Properties (Design System)
   ======================================== */
:root {
    /* Brand Colors — Nature-inspired warm palette */
    --color-primary: #8B6F47;
    --color-primary-dark: #6B5535;
    --color-primary-light: #A8935F;
    --color-accent: #C4A265;
    --color-accent-light: #D4B97A;

    /* Neutrals */
    --color-bg: #FAFAF7;
    --color-bg-alt: #F3F0EA;
    --color-bg-dark: #1A1A18;
    --color-bg-card: #FFFFFF;
    --color-text: #2C2C2A;
    --color-text-light: #6B6B66;
    --color-text-muted: #9A9A95;
    --color-border: #E5E2DB;
    --color-border-light: #EDEBE6;

    /* Success / Error */
    --color-success: #4A7C59;
    --color-error: #B54B4B;

    /* Typography */
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.1);
    --shadow-xl: 0 16px 48px rgba(0,0,0,0.12);

    /* Transitions */
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    /* Container */
    --container-max: 1200px;
    --container-pad: 1.5rem;

    /* Navbar height */
    --navbar-height: 72px;
}

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

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

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.7;
    overflow-x: hidden;
}

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

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

a:hover {
    color: var(--color-primary-dark);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    line-height: 1.25;
    color: var(--color-text);
    font-weight: 600;
}

ul {
    list-style: none;
}

/* ========================================
   Layout
   ======================================== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-pad);
}

.section {
    padding: var(--space-4xl) 0;
}

/* ========================================
   Navbar
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--navbar-height);
    background: rgba(250, 250, 247, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border-light);
    transition: background var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
    background: rgba(250, 250, 247, 0.95);
    box-shadow: var(--shadow-sm);
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    color: var(--color-text);
}

.logo-icon {
    color: var(--color-primary);
    display: flex;
}

.logo-text {
    font-size: 1.15rem;
    letter-spacing: 0.05em;
    font-family: var(--font-body);
    font-weight: 300;
}

.logo-text strong {
    font-weight: 700;
    color: var(--color-primary);
}

.logo-image {
    max-height: 40px;
    width: auto;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-menu a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-light);
    text-decoration: none;
    position: relative;
    padding: var(--space-xs) 0;
    transition: color var(--transition);
    letter-spacing: 0.02em;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--color-primary);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.nav-cta {
    background: var(--color-primary) !important;
    color: #fff !important;
    padding: 0.6rem 1.4rem !important;
    border-radius: var(--radius-md);
    font-weight: 600 !important;
}

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    background: var(--color-primary-dark) !important;
    color: #fff !important;
}

/* Hidden checkbox for CSS-only mobile menu */
.nav-check {
    display: none !important;
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

/* Mobile Nav Toggle (label) */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    cursor: pointer;
    position: relative;
    z-index: 1001;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition);
    border-radius: 2px;
    pointer-events: none;
}

/* X animation via checkbox (CSS-only) */
.nav-check:checked ~ .nav-toggle span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-check:checked ~ .nav-toggle span:nth-child(2) {
    opacity: 0;
}

.nav-check:checked ~ .nav-toggle span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Also support JS-based .active class as fallback */
.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

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

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-decoration: none;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,0.4);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: #fff;
    color: #fff;
}

.btn-lg {
    padding: 0.9rem 2.2rem;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background-color: #2C2C2A;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(26, 26, 24, 0.55) 0%,
        rgba(26, 26, 24, 0.4) 40%,
        rgba(26, 26, 24, 0.6) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: var(--space-4xl) 0;
}

.hero-badge {
    display: inline-block;
    padding: 0.4rem 1.2rem;
    border: 1px solid rgba(196, 162, 101, 0.4);
    border-radius: 50px;
    color: var(--color-accent-light);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: var(--space-xl);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    color: #fff;
    line-height: 1.15;
    margin-bottom: var(--space-lg);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: rgba(255,255,255,0.7);
    max-width: 540px;
    margin: 0 auto var(--space-2xl);
    font-weight: 300;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: rgba(255,255,255,0.4);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: heroScroll 2s ease-in-out infinite;
}

@keyframes heroScroll {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ========================================
   Section Headers
   ======================================== */
.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--space-3xl);
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

.section-desc {
    font-size: 1.05rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* ========================================
   Services Grid (Home)
   ======================================== */
.services-section {
    background: var(--color-bg);
}

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

.service-card {
    background: var(--color-bg-card);
    padding: var(--space-2xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: scaleX(0);
    transition: transform var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    color: var(--color-primary);
    margin-bottom: var(--space-lg);
    display: flex;
}

.service-card h3 {
    font-family: var(--font-body);
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.service-card p {
    font-size: 0.92rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ========================================
   Work Process Timeline
   ======================================== */
.process-section {
    background: var(--color-bg-alt);
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
    position: relative;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 32px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-border), var(--color-primary), var(--color-border));
}

.process-step {
    text-align: center;
    position: relative;
}

.process-number {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--color-bg-card);
    border: 2px solid var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: 0 auto var(--space-lg);
    position: relative;
    z-index: 2;
    transition: all var(--transition);
}

.process-step:hover .process-number {
    background: var(--color-primary);
    color: #fff;
    transform: scale(1.1);
}

.process-content h3 {
    font-family: var(--font-body);
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.process-content p {
    font-size: 0.88rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ========================================
   Testimonial
   ======================================== */
.testimonial-section {
    background: var(--color-bg);
}

.testimonial-card {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    padding: var(--space-3xl);
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border-light);
    position: relative;
}

.testimonial-quote {
    color: var(--color-primary);
    margin-bottom: var(--space-lg);
}

.testimonial-card blockquote p {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-style: italic;
    color: var(--color-text);
    line-height: 1.6;
    margin-bottom: var(--space-xl);
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
}

.testimonial-author strong {
    display: block;
    font-size: 0.95rem;
}

.testimonial-author span {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* ========================================
   Counters
   ======================================== */
.counters-section {
    background: linear-gradient(135deg, #2C2C2A 0%, #3D3530 50%, #2C2C2A 100%);
    padding: var(--space-3xl) 0;
}

.counters-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
    text-align: center;
}

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

.counter-number {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.counter-number::after {
    content: '+';
    font-size: 0.7em;
}

.counter-label {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.7);
    font-weight: 500;
    letter-spacing: 0.03em;
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
    background: var(--color-bg-alt);
}

.cta-content {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: var(--space-md);
}

.cta-content p {
    color: var(--color-text-light);
    margin-bottom: var(--space-xl);
    line-height: 1.8;
}

/* ========================================
   Page Hero (Interior Pages)
   ======================================== */
.page-hero {
    padding: calc(var(--navbar-height) + var(--space-4xl)) 0 var(--space-3xl);
    background: linear-gradient(135deg, #2C2C2A 0%, #3D3530 50%, #4A3F35 100%);
    text-align: center;
}

.page-hero .section-tag {
    color: var(--color-accent-light);
}

.page-hero-title {
    font-size: clamp(2rem, 5vw, 3rem);
    color: #fff;
    margin-bottom: var(--space-md);
}

.page-hero-desc {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.7);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ========================================
   About Page Styles
   ======================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.about-image-placeholder {
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, var(--color-bg-alt), var(--color-border-light));
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.about-text h2 {
    font-size: 2rem;
    margin-bottom: var(--space-lg);
}

.about-text p {
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
    line-height: 1.8;
}

/* Values Grid */
.values-section {
    background: var(--color-bg-alt);
}

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

.value-card {
    text-align: center;
    padding: var(--space-2xl);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition);
}

.value-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.value-icon {
    color: var(--color-primary);
    margin-bottom: var(--space-lg);
    display: flex;
    justify-content: center;
}

.value-card h3 {
    font-family: var(--font-body);
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.value-card p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* Mission Section */
.mission-card {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border-radius: var(--radius-xl);
    padding: var(--space-3xl);
    color: #fff;
}

.mission-card .section-tag {
    color: var(--color-accent-light);
}

.mission-content {
    max-width: 700px;
}

.mission-content h2 {
    color: #fff;
    font-size: 1.8rem;
    margin-bottom: var(--space-lg);
}

.mission-content p {
    color: rgba(255,255,255,0.85);
    line-height: 1.8;
    margin-bottom: var(--space-md);
}

/* ========================================
   Services Detail Page
   ======================================== */
.service-detail {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: var(--space-2xl);
    padding: var(--space-2xl) 0;
    border-bottom: 1px solid var(--color-border-light);
    align-items: start;
}

.service-detail:last-child {
    border-bottom: none;
}

.service-detail-icon {
    color: var(--color-primary);
    display: flex;
    justify-content: center;
    padding-top: var(--space-sm);
}

.service-detail-content h2 {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

.service-detail-content > p {
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

.service-features {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm) var(--space-xl);
}

.service-features li {
    font-size: 0.9rem;
    color: var(--color-text-light);
    padding-left: 1.5rem;
    position: relative;
}

.service-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-primary);
}

/* ========================================
   Projects Gallery
   ======================================== */
.project-filters {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-2xl);
}

.filter-btn {
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--color-text-light);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    text-decoration: none;
    transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

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

.project-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border-light);
    transition: all var(--transition);
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.project-image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
    background: var(--color-bg-alt);
}

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

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

.project-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-bg-alt), var(--color-border-light));
    color: var(--color-text-muted);
}

.project-category-badge {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    padding: 0.3rem 0.8rem;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(8px);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 50px;
    letter-spacing: 0.02em;
}

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

.project-info h3 {
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.project-info p {
    font-size: 0.88rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

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

.project-price {
    font-weight: 700;
    color: var(--color-primary);
    font-size: 1.05rem;
}

.no-results {
    text-align: center;
    padding: var(--space-3xl);
    color: var(--color-text-muted);
}

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

.contact-info h2,
.contact-form-wrapper h2 {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

.contact-info > p {
    color: var(--color-text-light);
    margin-bottom: var(--space-xl);
    line-height: 1.8;
}

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

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

.contact-item-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--color-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 2px;
}

.contact-item p {
    font-size: 0.88rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

.contact-item a {
    color: var(--color-text-light);
}

.contact-item a:hover {
    color: var(--color-primary);
}

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

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

.form-group label {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--color-text);
}

.required {
    color: var(--color-error);
}

.form-group input,
.form-group textarea {
    padding: 0.8rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.92rem;
    color: var(--color-text);
    background: var(--color-bg-card);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(139, 111, 71, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

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

/* Alert Messages */
.alert {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    margin-bottom: var(--space-lg);
}

.alert-success {
    background: rgba(74, 124, 89, 0.1);
    color: var(--color-success);
    border: 1px solid rgba(74, 124, 89, 0.2);
}

.alert-error {
    background: rgba(181, 75, 75, 0.1);
    color: var(--color-error);
    border: 1px solid rgba(181, 75, 75, 0.2);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--color-bg-dark);
    color: rgba(255,255,255,0.8);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-brand .logo {
    color: #fff;
    margin-bottom: var(--space-md);
}

.footer-brand .logo-icon {
    color: var(--color-accent);
}

.footer-desc {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
    color: #fff;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a {
    color: rgba(255,255,255,0.6);
    font-size: 0.88rem;
    transition: color var(--transition);
}

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

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

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    font-size: 0.85rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.5;
}

.footer-contact li svg {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--color-accent);
}

.footer-contact a {
    color: rgba(255,255,255,0.6);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: var(--space-xl);
    text-align: center;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.4);
}

/* ========================================
   Scroll Animations
   ======================================== */
.animate-on-scroll {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: none;
}

/* ========================================
   Responsive Design
   ======================================== */

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

    .process-timeline {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-2xl);
    }

    .process-timeline::before {
        display: none;
    }

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

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

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

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

/* Mobile */
@media (max-width: 768px) {
    :root {
        --container-pad: 1.25rem;
        --navbar-height: 64px;
    }

    .navbar {
        -webkit-backdrop-filter: none !important;
        backdrop-filter: none !important;
        background: #FAFAF7 !important;
    }

    .navbar.scrolled {
        box-shadow: var(--shadow-sm);
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: var(--navbar-height);
        left: 0;
        right: 0;
        background: var(--color-bg);
        flex-direction: column;
        padding: var(--space-xl);
        gap: var(--space-md);
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-10px);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: all 0.3s ease;
        z-index: 990;
    }

    /* CSS-only: checkbox controls menu */
    .nav-check:checked ~ .nav-menu {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
        pointer-events: all;
    }

    /* Also support JS-based .active class as fallback */
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
        pointer-events: all;
    }

    .nav-menu a {
        font-size: 1rem;
        padding: var(--space-sm) 0;
    }

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

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

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

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

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

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

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

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

    .service-detail-icon {
        justify-content: center;
    }

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

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

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

    .form-row {
        grid-template-columns: 1fr;
    }

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

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

    .testimonial-card blockquote p {
        font-size: 1.1rem;
    }
}

/* Small mobile */
@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }

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

    .page-hero-title {
        font-size: 1.7rem;
    }

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

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

/* Floating WhatsApp Button */
.float-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25d366; /* Official WhatsApp Color */
    color: white;
    border-radius: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all 0.3s ease;
    cursor: pointer;
}

.float-whatsapp:hover {
    background-color: #20BA56;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
    color: white;
}

.float-whatsapp svg {
    display: block;
}

@media (max-width: 768px) {
    .float-whatsapp {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
    }
    .float-whatsapp svg {
        width: 24px;
        height: 24px;
    }
}