/* =============================================
   MAT İNŞAAT - Ana Stil Dosyası
   Renk Paleti:
   - Primary: #1B2A4A (Koyu Lacivert)
   - Accent: #E8710A (İnşaat Turuncusu)
   - Dark: #0F1B2D
   - Text: #2D2D2D
   - Light: #F5F5F5
   - White: #FFFFFF
============================================= */

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

:root {
    --primary: #1B2A4A;
    --primary-dark: #0F1B2D;
    --primary-light: #2d4a7a;
    --accent: #E8710A;
    --accent-hover: #d06400;
    --accent-light: #f59e3f;
    --text: #2D2D2D;
    --text-light: #6b7280;
    --bg-light: #F5F5F5;
    --bg-white: #FFFFFF;
    --border: #e5e7eb;
    --shadow: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --shadow-accent: 0 4px 20px rgba(232,113,10,0.3);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text);
    background-color: var(--bg-white);
    line-height: 1.7;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

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

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.text-white {
    color: #fff;
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

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

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

.btn-outline {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,0.6);
}

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

.btn-outline-white {
    background: transparent;
    color: #fff;
    border-color: #fff;
}

.btn-outline-white:hover {
    background: #fff;
    color: var(--primary);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1rem;
}

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

/* ========== HEADER ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 18px 0;
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(15, 27, 45, 0.97);
    backdrop-filter: blur(10px);
    padding: 12px 0;
    box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

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

.logo {
    display: flex;
    align-items: baseline;
    gap: 6px;
    z-index: 1001;
}

.logo-mat {
    font-family: 'Montserrat', sans-serif;
    font-weight: 900;
    font-size: 1.8rem;
    color: var(--accent);
    letter-spacing: 2px;
}

.logo-insaat {
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    font-size: 0.9rem;
    color: #fff;
    letter-spacing: 3px;
    opacity: 0.9;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.85);
    position: relative;
    padding: 4px 0;
}

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

.nav-link:hover,
.nav-link.active {
    color: #fff;
}

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

.nav-cta {
    display: inline-flex;
    align-items: center;
    padding: 10px 24px;
    background: var(--accent);
    color: #fff;
    border-radius: var(--radius-sm);
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    transition: var(--transition);
}

.nav-cta:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
    padding: 5px;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: #fff;
    border-radius: 3px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* ========== HERO ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background:
        linear-gradient(135deg, rgba(15,27,45,0.92) 0%, rgba(27,42,74,0.85) 50%, rgba(15,27,45,0.95) 100%),
        url('img/hero-bg.jpg') center/cover no-repeat;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(232,113,10,0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(45,74,122,0.2) 0%, transparent 50%);
    pointer-events: none;
}

/* Geometric pattern overlay */
.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(30deg, rgba(255,255,255,0.02) 12%, transparent 12.5%, transparent 87%, rgba(255,255,255,0.02) 87.5%),
        linear-gradient(150deg, rgba(255,255,255,0.02) 12%, transparent 12.5%, transparent 87%, rgba(255,255,255,0.02) 87.5%),
        linear-gradient(30deg, rgba(255,255,255,0.02) 12%, transparent 12.5%, transparent 87%, rgba(255,255,255,0.02) 87.5%),
        linear-gradient(150deg, rgba(255,255,255,0.02) 12%, transparent 12.5%, transparent 87%, rgba(255,255,255,0.02) 87.5%);
    background-size: 80px 140px;
    pointer-events: none;
}

.hero-overlay {
    display: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 20px;
    max-width: 800px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 24px;
    background: rgba(232,113,10,0.15);
    border: 1px solid rgba(232,113,10,0.3);
    border-radius: 50px;
    color: var(--accent-light);
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 1px;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    color: #fff;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.75);
    max-width: 600px;
    margin: 0 auto 36px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Hero Stats */
.hero-stats {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    gap: 48px;
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 28px 48px;
    border-radius: var(--radius-lg);
}

.stat-item {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.stat-icon {
    color: var(--accent);
    font-size: 1.3rem;
    margin-bottom: 8px;
}

.stat-number {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: 2rem;
    color: #fff;
    display: inline;
}

.stat-suffix {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    color: var(--accent);
    display: inline;
}

.stat-label {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.6);
    font-weight: 500;
    margin-top: 4px;
    white-space: nowrap;
}

/* Hero scroll indicator */
.hero-scroll {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    color: rgba(255,255,255,0.5);
    font-size: 0.75rem;
    font-family: 'Montserrat', sans-serif;
    letter-spacing: 2px;
    animation: scrollBounce 2s infinite;
}

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

/* ========== SECTIONS COMMON ========== */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    padding: 6px 20px;
    background: rgba(232,113,10,0.1);
    border-radius: 50px;
    color: var(--accent);
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.section-tag-light {
    background: rgba(232,113,10,0.2);
    color: var(--accent-light);
}

.section-title {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 16px;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ========== ABOUT ========== */
.section-about {
    background: var(--bg-light);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
}

.about-img-placeholder {
    width: 100%;
    aspect-ratio: 3/4;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: rgba(255,255,255,0.6);
}

.about-img-placeholder i {
    font-size: 5rem;
    color: rgba(255,255,255,0.3);
}

.about-img-placeholder span {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.2rem;
    color: rgba(255,255,255,0.7);
}

.about-img-placeholder small {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.5);
}

.about-experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 120px;
    height: 120px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-accent);
}

.exp-number {
    font-family: 'Montserrat', sans-serif;
    font-weight: 900;
    font-size: 2rem;
    color: #fff;
    line-height: 1;
}

.exp-text {
    font-size: 0.75rem;
    font-weight: 600;
    color: rgba(255,255,255,0.9);
    text-align: center;
    line-height: 1.3;
}

.about-content .section-tag {
    display: inline-block;
}

.about-content .section-title {
    text-align: left;
    margin-bottom: 24px;
}

.about-text {
    color: var(--text-light);
    margin-bottom: 16px;
    font-size: 1rem;
    line-height: 1.8;
}

.about-values {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 32px 0;
}

.value-item {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.value-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: rgba(232,113,10,0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.2rem;
}

.value-text h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 2px;
}

.value-text p {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.5;
}

/* ========== SERVICES ========== */
.section-services {
    background: var(--bg-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.service-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent);
    transform: scaleX(0);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

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

.service-card.featured {
    border-color: var(--accent);
    background: linear-gradient(135deg, rgba(232,113,10,0.03) 0%, rgba(232,113,10,0.08) 100%);
}

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

.service-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 14px;
    background: var(--accent);
    color: #fff;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 0.7rem;
    border-radius: 50px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.service-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.service-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
}

.service-desc {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 16px;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--text);
}

.service-features li i {
    color: var(--accent);
    font-size: 0.75rem;
}

/* ========== PROJECTS ========== */
.section-projects {
    background: var(--bg-light);
}

.project-filters {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 28px;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition);
}

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

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.project-card {
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
}

.project-card.hidden {
    display: none;
}

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

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

.project-img-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.project-img-placeholder i {
    font-size: 3rem;
    color: rgba(255,255,255,0.3);
}

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

.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition);
}

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

.project-category {
    display: inline-block;
    padding: 4px 12px;
    background: var(--accent);
    border-radius: 4px;
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.project-overlay h3 {
    font-size: 1.1rem;
    color: #fff;
    margin-bottom: 4px;
}

.project-overlay p {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.7);
}

/* ========== WHY US ========== */
.section-why {
    background:
        linear-gradient(135deg, rgba(15,27,45,0.95) 0%, rgba(27,42,74,0.9) 100%),
        url('img/why-bg.jpg') center/cover no-repeat;
    position: relative;
}

.section-why .section-title {
    color: #fff;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.why-card {
    text-align: center;
    padding: 40px 28px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius);
    transition: var(--transition);
}

.why-card:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-6px);
    border-color: rgba(232,113,10,0.3);
}

.why-icon {
    width: 72px;
    height: 72px;
    background: rgba(232,113,10,0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--accent);
    font-size: 1.6rem;
    transition: var(--transition);
}

.why-card:hover .why-icon {
    background: var(--accent);
    color: #fff;
}

.why-card h3 {
    font-size: 1.1rem;
    color: #fff;
    margin-bottom: 12px;
}

.why-card p {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.7;
}

/* ========== TESTIMONIALS ========== */
.section-testimonials {
    background: var(--bg-white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.testimonial-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px;
    transition: var(--transition);
    position: relative;
}

.testimonial-card::before {
    content: '\201C';
    position: absolute;
    top: 16px;
    right: 24px;
    font-size: 5rem;
    font-family: Georgia, serif;
    color: rgba(232,113,10,0.1);
    line-height: 1;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: rgba(232,113,10,0.2);
}

.testimonial-stars {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
}

.testimonial-stars i {
    color: #f59e0b;
    font-size: 0.9rem;
}

.testimonial-text {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.7);
    font-size: 1.2rem;
}

.author-info h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--primary);
}

.author-info span {
    font-size: 0.8rem;
    color: var(--text-light);
}

/* ========== CTA ========== */
.section-cta {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
    padding: 80px 0;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.2rem;
    color: #fff;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.85);
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ========== CONTACT ========== */
.section-contact {
    background: var(--bg-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    align-items: start;
}

.contact-form {
    background: var(--bg-white);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    margin-bottom: 24px;
}

.form-group label {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--primary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-group label i {
    color: var(--accent);
    font-size: 0.8rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: 'Open Sans', sans-serif;
    font-size: 0.95rem;
    color: var(--text);
    background: var(--bg-light);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(232,113,10,0.1);
    background: var(--bg-white);
}

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

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

/* Contact Info */
.contact-info-card {
    background: var(--primary);
    border-radius: var(--radius);
    padding: 36px;
    margin-bottom: 24px;
}

.contact-info-card h3 {
    color: #fff;
    font-size: 1.3rem;
    margin-bottom: 28px;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

.contact-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    background: rgba(232,113,10,0.2);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.1rem;
}

.contact-info-item h4 {
    color: #fff;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.contact-info-item p,
.contact-info-item a {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
}

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

.contact-socials {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.contact-socials a {
    width: 42px;
    height: 42px;
    background: rgba(255,255,255,0.08);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.7);
    font-size: 1.1rem;
    transition: var(--transition);
}

.contact-socials a:hover {
    background: var(--accent);
    color: #fff;
}

.contact-map {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

/* ========== FOOTER ========== */
.footer {
    background: var(--primary-dark);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand p {
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
    margin-top: 16px;
    line-height: 1.8;
}

.footer-brand .logo {
    margin-bottom: 4px;
}

.footer-socials {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.footer-socials a {
    width: 38px;
    height: 38px;
    background: rgba(255,255,255,0.06);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.5);
    transition: var(--transition);
}

.footer-socials a:hover {
    background: var(--accent);
    color: #fff;
}

.footer-links h4,
.footer-contact h4 {
    color: #fff;
    font-size: 1rem;
    margin-bottom: 20px;
}

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links ul li a {
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links ul li a:hover {
    color: var(--accent);
    padding-left: 6px;
}

.footer-contact p {
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-contact p i {
    color: var(--accent);
    width: 16px;
}

.footer-contact p a {
    color: rgba(255,255,255,0.5);
}

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

.footer-bottom {
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255,255,255,0.35);
    font-size: 0.85rem;
}

/* ========== WHATSAPP FLOAT ========== */
.whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.8rem;
    box-shadow: 0 4px 20px rgba(37,211,102,0.4);
    z-index: 999;
    transition: var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37,211,102,0.5);
}

.whatsapp-tooltip {
    position: absolute;
    right: 72px;
    background: #fff;
    color: var(--text);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
}

/* ========== BACK TO TOP ========== */
.back-to-top {
    position: fixed;
    bottom: 100px;
    right: 28px;
    width: 48px;
    height: 48px;
    background: var(--primary);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.1rem;
    cursor: pointer;
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--accent);
    transform: translateY(-4px);
}

/* ========== FORM SUCCESS MESSAGE ========== */
.form-success {
    text-align: center;
    padding: 40px;
}

.form-success i {
    font-size: 3rem;
    color: #10b981;
    margin-bottom: 16px;
}

.form-success h3 {
    font-size: 1.3rem;
    color: var(--primary);
    margin-bottom: 8px;
}

.form-success p {
    color: var(--text-light);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.8rem;
    }

    .hero-stats {
        gap: 28px;
        padding: 24px 32px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image-wrapper {
        max-width: 400px;
        margin: 0 auto;
    }

    .about-content .section-title {
        text-align: center;
    }

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

    .about-values {
        max-width: 500px;
        margin: 32px auto;
    }

    .value-item {
        text-align: left;
    }

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

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

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

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

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

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(15,27,45,0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        gap: 28px;
        transform: translateX(100%);
        transition: var(--transition);
    }

    .nav-links.open {
        transform: translateX(0);
    }

    .nav-link {
        font-size: 1.2rem;
    }

    .nav-cta {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .hero {
        min-height: 100vh;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

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

    .hero-stats {
        position: relative;
        bottom: auto;
        left: auto;
        transform: none;
        flex-wrap: wrap;
        gap: 20px;
        padding: 24px;
        margin: 40px 20px 0;
        justify-content: center;
    }

    .stat-item {
        min-width: 120px;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .hero-scroll {
        display: none;
    }

    .section {
        padding: 70px 0;
    }

    .section-title {
        font-size: 1.8rem;
    }

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

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

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

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

    .cta-content h2 {
        font-size: 1.6rem;
    }

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

    .contact-form {
        padding: 28px;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

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

    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 54px;
        height: 54px;
    }

    .back-to-top {
        bottom: 84px;
        right: 20px;
        width: 42px;
        height: 42px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.7rem;
    }

    .hero-badge {
        font-size: 0.75rem;
        padding: 6px 16px;
    }

    .btn-lg {
        padding: 14px 28px;
        font-size: 0.9rem;
    }

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

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

    .project-filters {
        gap: 8px;
    }

    .filter-btn {
        padding: 8px 18px;
        font-size: 0.8rem;
    }
}

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

/* Smooth loading */
.hero-content,
.hero-stats {
    animation: fadeInUp 1s ease forwards;
}

.hero-stats {
    animation-delay: 0.3s;
}