/* C:\Users\Admin\.gemini\antigravity\scratch\ivran-infotech\assets\css\style.css */

/* --- GOOGLE FONTS --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* --- CUSTOM VARIABLES --- */
:root {
    --primary-color: #0b325a;         /* Deep Navy Blue from logo */
    --primary-light: #164679;
    --primary-dark: #07223e;
    
    --secondary-color: #8c6239;       /* Bronze/Gold from logo */
    --secondary-light: #a67c53;
    --secondary-dark: #6e4923;
    
    --accent-purple: #4b1d6b;         /* Logo separator vertical line */
    --accent-purple-light: #6a3293;
    
    --text-color: #1e293b;            /* Dark Slate Body */
    --text-light: #64748b;            /* Cool Grey Subtitle */
    --bg-light: #f8fafc;              /* Slate Light Background */
    --bg-dark: #0f172a;               /* Slate Dark Background */
    --bg-card: #ffffff;
    
    --border-color: #e2e8f0;
    --border-glow: rgba(140, 98, 57, 0.15);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -1px rgba(0,0,0,0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-glow: 0 0 20px rgba(140, 98, 57, 0.2);
    
    --gold-gradient: linear-gradient(135deg, #8c6239 0%, #b8860b 50%, #d4af37 100%);
    --blue-gradient: linear-gradient(135deg, #0b325a 0%, #164679 100%);
    --purple-gradient: linear-gradient(135deg, #4b1d6b 0%, #6a3293 100%);
    --card-glow-gradient: linear-gradient(135deg, rgba(140, 98, 57, 0.08) 0%, rgba(75, 29, 107, 0.05) 100%);
}

/* --- RESET & BASE STYLES --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    outline: none;
}

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

body {
    font-family: var(--font-body);
    color: var(--text-color);
    background-color: var(--bg-light);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--primary-color);
    font-weight: 700;
    line-height: 1.2;
}

h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

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

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* --- REUSABLE BUTTONS --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 2rem;
    font-family: var(--font-heading);
    font-weight: 600;
    border-radius: 4px;
    transition: var(--transition-normal);
    cursor: pointer;
    border: 2px solid transparent;
    font-size: 0.95rem;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--blue-gradient);
    color: #ffffff;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(11, 50, 90, 0.3);
}

.btn-secondary {
    background: var(--gold-gradient);
    color: #ffffff;
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(140, 98, 57, 0.3);
}

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

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

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

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

/* --- TOP BAR --- */
.top-bar {
    background-color: var(--primary-dark);
    color: #ffffff;
    padding: 0.5rem 0;
    font-size: 0.85rem;
    border-bottom: 2px solid var(--accent-purple);
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-left, .top-bar-right {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.top-info-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.top-info-item i {
    color: var(--secondary-light);
}

.top-bar-socials {
    display: flex;
    gap: 1rem;
}

.top-bar-socials a:hover {
    color: var(--secondary-light);
}

/* --- HEADER / NAVIGATION --- */
header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

header.scrolled {
    padding: 0.25rem 0;
    box-shadow: var(--shadow-md);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

/* --- STYLIZED BRAND LOGO (Based on uploaded image) --- */
.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-mark {
    display: flex;
    align-items: center;
    height: 48px;
    width: 60px;
    position: relative;
}

/* Drawing the IV logo mark in CSS/SVG styling */
.logo-mark svg {
    width: 100%;
    height: 100%;
}

.logo-separator {
    height: 36px;
    width: 2px;
    background-color: var(--accent-purple);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    line-height: 1;
    display: flex;
}

.logo-title-iv {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-title-ran {
    color: var(--primary-color);
}

.logo-sub {
    color: var(--primary-color);
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    line-height: 1;
    margin-top: 2px;
}

.logo-slogan {
    font-family: var(--font-body);
    font-size: 0.5rem;
    color: var(--secondary-color);
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-top: 1px;
}

/* Navigation Links */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 2.25rem;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--text-color);
    font-size: 0.95rem;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link:hover {
    color: var(--primary-color);
}

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

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

.nav-link.active {
    color: var(--primary-color);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
}

/* --- HERO SECTION --- */
.hero {
    position: relative;
    height: calc(100vh - 120px);
    min-height: 600px;
    background-color: var(--bg-dark);
    display: flex;
    align-items: center;
    overflow: hidden;
}

/* Dynamic Interactive CAD Canvas */
.hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    opacity: 0.45;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 60% 50%, rgba(15, 23, 42, 0.45) 0%, rgba(15, 23, 42, 0.95) 100%);
    z-index: 2;
}

.hero .container {
    position: relative;
    z-index: 3;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: 4rem;
}

.hero-content {
    color: #ffffff;
    animation: fadeInUp 0.8s ease forwards;
}

.hero-tagline {
    font-family: var(--font-body);
    text-transform: uppercase;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 3px;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.5rem;
    display: inline-block;
}

.hero h1 {
    color: #ffffff;
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero h1 span {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
    max-width: 600px;
    line-height: 1.7;
}

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

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* 3D structural model wireframe ring */
.hero-3d-model {
    width: 100%;
    max-width: 450px;
    height: 450px;
    border: 1px dashed rgba(140, 98, 57, 0.3);
    border-radius: 50%;
    position: relative;
    animation: rotateSlow 40s linear infinite;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-3d-model::before {
    content: '';
    position: absolute;
    width: 90%;
    height: 90%;
    border: 1px solid rgba(75, 29, 107, 0.2);
    border-radius: 50%;
}

.hero-model-mesh {
    position: absolute;
    width: 80%;
    height: 80%;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    border: 2px solid var(--secondary-color);
    animation: bounceSlow 6s ease-in-out infinite;
}

/* --- FEATURE BANNER --- */
.features-banner {
    position: relative;
    margin-top: -60px;
    z-index: 10;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    background: var(--bg-card);
    padding: 2.5rem 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    border-bottom: 4px solid var(--secondary-color);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--card-glow-gradient);
    opacity: 0;
    transition: var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow);
    border-bottom-color: var(--accent-purple);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon-wrapper {
    position: relative;
    width: 60px;
    height: 60px;
    border-radius: 4px;
    background: rgba(140, 98, 57, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--secondary-color);
    font-size: 1.5rem;
    transition: var(--transition-normal);
}

.feature-card:hover .feature-icon-wrapper {
    background: var(--secondary-color);
    color: #ffffff;
    transform: rotate(10deg);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    position: relative;
    z-index: 2;
}

.feature-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.5;
    position: relative;
    z-index: 2;
}

/* --- SECTION DECORATORS --- */
.section {
    padding: 7rem 0;
}

.section-dark {
    background-color: var(--bg-dark);
    color: #ffffff;
}

.section-dark h2 {
    color: #ffffff;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4.5rem auto;
}

.section-title-tag {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.section-title-tag::before, .section-title-tag::after {
    content: '';
    width: 30px;
    height: 2px;
    background-color: var(--accent-purple);
}

.section-title-tag.tag-left {
    justify-content: flex-start;
}

.section-title-tag.tag-left::before {
    display: none;
}



.section-header p {
    color: var(--text-light);
    font-size: 1.05rem;
}

/* --- ABOUT HOME SECTION --- */
.about-split {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 5rem;
    align-items: center;
}

.about-images-compound {
    position: relative;
    height: 480px;
}

.about-img-large {
    width: 80%;
    height: 400px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    border: 3px solid #ffffff;
}

.about-img-small {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 50%;
    height: 250px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    border: 6px solid #ffffff;
    z-index: 2;
}

.about-exp-badge {
    position: absolute;
    top: 30px;
    right: 10%;
    background: var(--purple-gradient);
    color: #ffffff;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    z-index: 3;
    text-align: center;
    border-bottom: 3px solid var(--secondary-color);
}

.about-exp-badge .num {
    display: block;
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1;
    font-family: var(--font-heading);
}

.about-exp-badge .text {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-text h3 {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
}

.about-text p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.about-bullets {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin-top: 2rem;
    margin-bottom: 2rem;
}

.about-bullet {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--primary-color);
}

.about-bullet i {
    color: var(--secondary-color);
}

/* --- SERVICES SECTION --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.service-card {
    background: #ffffff;
    border-radius: 8px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition-normal);
}

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

.service-card-img-wrapper {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.service-card-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.service-card:hover .service-card-img-wrapper img {
    transform: scale(1.1);
}

.service-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(11, 50, 90, 0.1) 0%, rgba(11, 50, 90, 0.75) 100%);
    opacity: 0;
    transition: var(--transition-normal);
}

.service-card:hover .service-card-overlay {
    opacity: 1;
}

.service-card-icon-overlay {
    position: absolute;
    bottom: -30px;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: var(--gold-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.4rem;
    box-shadow: var(--shadow-md);
    z-index: 2;
    transition: var(--transition-normal);
}

.service-card:hover .service-card-icon-overlay {
    bottom: 1.5rem;
    transform: scale(1.1);
}

.service-card-body {
    padding: 2.5rem 2rem;
    position: relative;
}

.service-card-body h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.service-card-body p {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    height: 72px; /* Set height to align buttons */
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.service-read-more {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--primary-color);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.service-read-more i {
    color: var(--secondary-color);
    transition: var(--transition-fast);
}

.service-card:hover .service-read-more {
    color: var(--secondary-color);
}

.service-card:hover .service-read-more i {
    transform: translateX(5px);
}

/* --- STATS COUNTER BANNER --- */
.stats-banner {
    background: var(--blue-gradient);
    padding: 5rem 0;
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

.stats-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(rgba(140, 98, 57, 0.1) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(140, 98, 57, 0.1) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.3;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
    text-align: center;
    position: relative;
    z-index: 2;
}

.stat-item h3 {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 0.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.stat-item h3 span {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-item p {
    color: #ffffff;
    font-family: var(--font-heading);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.85rem;
    opacity: 0.85;
}

/* --- ENGINEERING WORKFLOW (OUR APPROACH) --- */
.approach-layout {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 5rem;
    align-items: flex-start;
}

.approach-sticky-left {
    position: sticky;
    top: 120px;
}

.approach-sticky-left h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.approach-sticky-left p {
    color: var(--text-light);
    margin-bottom: 2rem;
}

.approach-timeline {
    position: relative;
    padding-left: 2.5rem;
}

.approach-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 10px;
    width: 2px;
    height: 100%;
    background-color: var(--border-color);
}

.approach-item {
    position: relative;
    margin-bottom: 3.5rem;
    transition: var(--transition-normal);
}

.approach-item:last-child {
    margin-bottom: 0;
}

.approach-dot {
    position: absolute;
    left: -37px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #ffffff;
    border: 4px solid var(--border-color);
    z-index: 2;
    transition: var(--transition-normal);
}

.approach-item:hover .approach-dot {
    border-color: var(--secondary-color);
    box-shadow: 0 0 10px rgba(140, 98, 57, 0.4);
}

.approach-num {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 800;
    color: rgba(140, 98, 57, 0.15);
    line-height: 1;
    position: absolute;
    top: -15px;
    right: 0;
    transition: var(--transition-normal);
}

.approach-item:hover .approach-num {
    color: rgba(140, 98, 57, 0.35);
    transform: scale(1.1);
}

.approach-content h3 {
    font-size: 1.35rem;
    margin-bottom: 0.75rem;
}

.approach-content p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* --- CALL TO ACTION --- */
.cta-banner {
    background-color: var(--primary-color);
    color: #ffffff;
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.cta-banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 10% 20%, rgba(75, 29, 107, 0.4) 0%, transparent 50%);
    z-index: 1;
}

.cta-banner .container {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.cta-content h2 {
    color: #ffffff;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

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

.cta-buttons {
    display: flex;
    gap: 1.5rem;
}

/* --- INDUSTRIES WE SERVE --- */
.industry-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.industry-card {
    background: #ffffff;
    padding: 2.5rem 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    text-align: center;
    transition: var(--transition-normal);
}

.industry-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--secondary-color);
    background: var(--primary-color);
    color: #ffffff;
}

.industry-icon {
    font-size: 2.2rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    transition: var(--transition-normal);
}

.industry-card:hover .industry-icon {
    color: #ffffff;
    transform: scale(1.1);
}

.industry-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
    transition: var(--transition-normal);
}

.industry-card:hover h3 {
    color: #ffffff;
}

.industry-card p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.5;
    transition: var(--transition-normal);
}

.industry-card:hover p {
    color: rgba(255, 255, 255, 0.8);
}

/* --- SUB-PAGE HEADER --- */
.page-header {
    background: var(--blue-gradient);
    padding: 5rem 0;
    color: #ffffff;
    position: relative;
    overflow: hidden;
    border-bottom: 4px solid var(--secondary-color);
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
    background-size: 30px 30px;
    opacity: 0.4;
}

.page-header-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.page-header h1 {
    color: #ffffff;
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.breadcrumbs {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-family: var(--font-heading);
    font-weight: 600;
}

.breadcrumbs a {
    color: var(--secondary-light);
}

.breadcrumbs span {
    opacity: 0.7;
}

/* --- PORTFOLIO GALLERY (DRAWINGS) --- */
.portfolio-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3.5rem;
}

.filter-btn {
    background: #ffffff;
    border: 1px solid var(--border-color);
    padding: 0.6rem 1.5rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition-normal);
}

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

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.portfolio-item {
    background: #ffffff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

.portfolio-item.hidden {
    display: none;
}

.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.portfolio-img-container {
    position: relative;
    height: 240px;
    overflow: hidden;
    background-color: #f1f5f9;
}

.portfolio-img-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.portfolio-item:hover .portfolio-img-container img {
    transform: scale(1.08);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(11, 50, 90, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-zoom-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gold-gradient);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transform: scale(0.8);
    transition: var(--transition-normal);
}

.portfolio-item:hover .portfolio-zoom-btn {
    transform: scale(1);
}

.portfolio-info {
    padding: 1.5rem;
}

.portfolio-info .category {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--secondary-color);
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
    display: block;
}

.portfolio-info h3 {
    font-size: 1.15rem;
    margin-bottom: 0.25rem;
}

/* --- PORTFOLIO LIGHTBOX --- */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.95);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    background: #ffffff;
    border-radius: 8px;
    width: 100%;
    max-width: 1000px;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    position: relative;
    animation: zoomIn 0.3s ease;
}

.lightbox-close {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 2rem;
    color: var(--text-color);
    cursor: pointer;
    z-index: 10;
    transition: var(--transition-fast);
}

.lightbox-close:hover {
    color: var(--secondary-color);
}

.lightbox-img-pane {
    background: #ebeef2;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 2rem;
    min-height: 400px;
}

.lightbox-img-pane img {
    max-height: 70vh;
    max-width: 100%;
    object-fit: contain;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.lightbox-info-pane {
    padding: 3rem 2.5rem;
    display: flex;
    flex-direction: column;
}

.lightbox-info-pane h2 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.lightbox-info-pane .category {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 2rem;
}

.lightbox-specs-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 2.5rem;
}

.lightbox-specs-table tr {
    border-bottom: 1px solid var(--border-color);
}

.lightbox-specs-table td {
    padding: 0.75rem 0;
    font-size: 0.95rem;
}

.lightbox-specs-table td:first-child {
    font-weight: 600;
    color: var(--primary-color);
}

.lightbox-specs-table td:last-child {
    text-align: right;
    color: var(--text-light);
}

.lightbox-buttons {
    margin-top: auto;
    display: flex;
    gap: 1rem;
}

/* --- QUALITY ASSURANCE SECTION --- */
.quality-split {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 5rem;
    align-items: center;
}

.quality-checklist {
    margin-top: 2rem;
}

.quality-check-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.quality-check-icon {
    width: 28px;
    height: 28px;
    background: rgba(75, 29, 107, 0.1);
    color: var(--accent-purple);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.quality-check-content h4 {
    font-size: 1.15rem;
    margin-bottom: 0.25rem;
}

.quality-check-content p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.quality-verification-card {
    background: #ffffff;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    padding: 3rem;
    border-left: 6px solid var(--accent-purple);
}

.quality-verification-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.quality-step-list {
    position: relative;
    padding-left: 1.5rem;
}

.quality-step-list::before {
    content: '';
    position: absolute;
    top: 5px;
    left: 4px;
    width: 2px;
    height: 85%;
    background-color: var(--border-color);
}

.quality-step {
    position: relative;
    padding-bottom: 2rem;
}

.quality-step:last-child {
    padding-bottom: 0;
}

.quality-step-dot {
    position: absolute;
    left: -15px;
    top: 6px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--accent-purple);
}

.quality-step h5 {
    font-size: 1.05rem;
    margin-bottom: 0.25rem;
}

.quality-step p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* --- CONTACT SECTION & FORM --- */
.contact-split {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 5rem;
}

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

.contact-info-card {
    background: #ffffff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.contact-card-icon {
    width: 50px;
    height: 50px;
    border-radius: 4px;
    background: rgba(140, 98, 57, 0.1);
    color: var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.contact-card-content h3 {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
}

.contact-card-content p {
    color: var(--text-light);
    font-size: 0.95rem;
    white-space: pre-line;
}

.contact-form-container {
    background: #ffffff;
    padding: 3rem;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    border-top: 5px solid var(--secondary-color);
}

.contact-form-container h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

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

.form-group label {
    display: block;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--bg-light);
    transition: var(--transition-fast);
}

.form-control:focus {
    border-color: var(--secondary-color);
    background-color: #ffffff;
    box-shadow: 0 0 0 3px rgba(140, 98, 57, 0.1);
}

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

.form-status {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    display: none;
}

.form-status.success {
    display: block;
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.form-status.error {
    display: block;
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

/* --- FOOTER --- */
footer {
    background-color: var(--primary-dark);
    color: #ffffff;
    padding: 5rem 0 2rem 0;
    border-top: 4px solid var(--secondary-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 0.8fr 1.2fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-col h3 {
    color: #ffffff;
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--gold-gradient);
}

.footer-col-about p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-logo .logo-title-ran {
    color: #ffffff;
}

.footer-logo-separator {
    height: 24px;
    width: 1px;
    background-color: rgba(255, 255, 255, 0.3);
}

.footer-col-links ul li {
    margin-bottom: 0.75rem;
}

.footer-col-links ul li a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-col-links ul li a:hover {
    color: var(--secondary-light);
    transform: translateX(5px);
}

.footer-col-links ul li a i {
    font-size: 0.7rem;
    color: var(--secondary-color);
}

.footer-col-contact ul li {
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.footer-col-contact ul li i {
    color: var(--secondary-color);
    margin-top: 4px;
}

.footer-newsletter p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.newsletter-form {
    display: flex;
}

.newsletter-form input {
    flex-grow: 1;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: 4px 0 0 4px;
    font-family: var(--font-body);
    font-size: 0.9rem;
}

.newsletter-form button {
    background: var(--gold-gradient);
    color: #ffffff;
    border: none;
    padding: 0 1.25rem;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    transition: var(--transition-fast);
}

.newsletter-form button:hover {
    opacity: 0.9;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom-links {
    display: flex;
    gap: 1.5rem;
}

.footer-bottom-links a:hover {
    color: #ffffff;
}

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

@keyframes rotateSlow {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

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

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* --- SCROLL REVEAL ANIMATIONS --- */
.reveal {
    opacity: 0;
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: opacity, transform;
}
.reveal-up {
    transform: translateY(40px);
}
.reveal-left {
    transform: translateX(-40px);
}
.reveal-right {
    transform: translateX(40px);
}
.reveal.active {
    opacity: 1;
    transform: translate(0, 0);
}

/* --- INTERACTIVE CALCULATOR --- */
.calc-card {
    background: #ffffff;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    padding: 3rem;
    border-top: 5px solid var(--secondary-color);
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    margin-top: 2rem;
}
.calc-inputs {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}
.calc-input-group label {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    display: flex;
    justify-content: space-between;
    font-size: 0.95rem;
}
.calc-input-group label span {
    color: var(--secondary-color);
    font-weight: 800;
}
.calc-range {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--border-color);
    outline: none;
    transition: var(--transition-fast);
}
.calc-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--secondary-color);
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-sm);
    border: 2px solid #ffffff;
}
.calc-range::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    background: var(--primary-color);
}
.calc-select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--bg-light);
    cursor: pointer;
    transition: var(--transition-fast);
}
.calc-select:focus {
    border-color: var(--secondary-color);
    background-color: #ffffff;
}
.calc-results {
    background: var(--bg-light);
    border-radius: 6px;
    padding: 2.5rem;
    border-left: 5px solid var(--accent-purple);
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 1.5rem;
}
.calc-result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px dashed var(--border-color);
    padding-bottom: 1rem;
}
.calc-result-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}
.calc-result-label {
    font-weight: 600;
    color: var(--text-light);
    font-size: 0.95rem;
}
.calc-result-val {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--primary-color);
}
.calc-result-val span {
    color: var(--secondary-color);
}

/* --- TESTIMONIAL CAROUSEL --- */
.testimonial-carousel {
    overflow: hidden;
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 1rem;
}
.testimonial-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}
.testimonial-slide {
    flex: 0 0 100%;
    width: 100%;
    padding: 2.5rem;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    text-align: center;
    box-sizing: border-box;
}
.testimonial-avatar {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: var(--gold-gradient);
    margin: 0 auto 1.5rem auto;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.6rem;
    font-family: var(--font-heading);
    font-weight: 800;
    box-shadow: var(--shadow-sm);
}
.testimonial-quote {
    font-size: 1.15rem;
    font-style: italic;
    color: var(--text-color);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}
.testimonial-author {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1.05rem;
}
.testimonial-company {
    font-size: 0.85rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}
.testimonial-controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}
.testimonial-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--border-color);
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
}
.testimonial-dot.active {
    background-color: var(--secondary-color);
    transform: scale(1.2);
}

/* --- PAGE LOADER OVERLAY --- */
#pageLoader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-dark);
    z-index: 99999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}
.loader-container {
    position: relative;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
}
.loader-spinner {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid rgba(140, 98, 57, 0.1);
    border-top-color: var(--secondary-color);
    border-radius: 50%;
    animation: rotateSlow 2s linear infinite;
}
.loader-spinner::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 6px;
    right: 6px;
    bottom: 6px;
    border: 2px solid rgba(75, 29, 107, 0.05);
    border-top-color: var(--accent-purple);
    border-radius: 50%;
    animation: rotateSlow 1.2s linear infinite reverse;
}
.loader-logo {
    position: absolute;
    width: 55px;
    height: 44px;
    z-index: 2;
    animation: loaderLogoPulse 1.8s ease-in-out infinite;
}
.loader-logo svg {
    width: 100%;
    height: 100%;
}
.loader-text {
    font-family: var(--font-heading);
    color: #ffffff;
    font-size: 1.1rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: 600;
}
.loader-text span {
    color: var(--secondary-light);
    animation: pulseSlow 1.5s ease infinite;
}
@keyframes loaderLogoPulse {
    0%, 100% {
        transform: scale(1);
        filter: drop-shadow(0 0 4px rgba(212, 175, 55, 0.2));
    }
    50% {
        transform: scale(1.08);
        filter: drop-shadow(0 0 12px rgba(212, 175, 55, 0.6));
    }
}
@keyframes pulseSlow {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* --- CARD BLUEPRINT HOVER EFFECT --- */
.service-card-body::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 120px;
    height: 120px;
    background-image: linear-gradient(rgba(140, 98, 57, 0.03) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(140, 98, 57, 0.03) 1px, transparent 1px);
    background-size: 12px 12px;
    border-left: 1px dashed rgba(140, 98, 57, 0.1);
    border-top: 1px dashed rgba(140, 98, 57, 0.1);
    opacity: 0;
    transform: translate(20px, 20px);
    transition: var(--transition-normal);
    pointer-events: none;
}
.service-card:hover .service-card-body::after {
    opacity: 1;
    transform: translate(0, 0);
}

@media (max-width: 768px) {
    .calc-card {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 1.5rem;
    }
}