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

:root {
    /* Brand Colors */
    --navy: #0a1628;
    --navy-light: #0d1f3c;
    --navy-mid: #112240;
    --royal-blue: #1a3a8a;
    --blue: #1e56a0;
    --cyan: #0ea5e9;
    --cyan-light: #00d4ff;
    --cyan-glow: rgba(14, 165, 233, 0.15);
    --gray-light: #e2e8f0;
    --gray: #64748b;
    --gray-dark: #334155;
    --text-dark: #1e293b;
    --text-body: #475569;
    --white: #ffffff;
    --off-white: #f8fafc;
    --section-white: #ffffff;
    --section-light: #f1f5f9;

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

    /* Spacing */
    --section-padding: 100px 0;

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    background: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== PRELOADER ===== */
#preloader {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: var(--navy);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    text-align: center;
}

.loader-logo {
    width: 80px;
    height: auto;
    margin: 0 auto 24px;
    animation: pulse 1.5s ease-in-out infinite;
}

.loader-bar {
    width: 200px;
    height: 3px;
    background: var(--navy-mid);
    border-radius: 3px;
    overflow: hidden;
}

.loader-progress {
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--cyan), var(--cyan-light));
    border-radius: 3px;
    animation: load 1.5s ease-in-out forwards;
}

@keyframes load {
    to { width: 100%; }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 10px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
    border-bottom: 1px solid var(--gray-light);
}

.navbar.scrolled .brand-name {
    color: var(--text-dark);
}

.navbar.scrolled .nav-link {
    color: var(--text-body);
}

.navbar.scrolled .nav-link:hover,
.navbar.scrolled .nav-link.active {
    color: var(--text-dark);
}

.navbar.scrolled .hamburger span {
    background: var(--text-dark);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 1001;
}

.nav-logo {
    width: 44px;
    height: auto;
}

.nav-brand-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.3rem;
    letter-spacing: 2px;
    color: var(--white);
}

.brand-tagline {
    font-size: 0.65rem;
    color: var(--cyan);
    letter-spacing: 1px;
    font-weight: 400;
}

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

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray);
    position: relative;
    padding: 4px 0;
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--white);
}

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

.nav-cta {
    background: linear-gradient(135deg, var(--cyan), var(--blue));
    color: var(--white);
    padding: 10px 24px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: var(--transition);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(14, 165, 233, 0.3);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1003;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
    border-radius: 2px;
}

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

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

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

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    overflow: hidden;
    padding: 80px 0 70px;
    background: url('../assets/images/hero-bg.jpg') center/cover no-repeat fixed;
    color: var(--white);
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(10, 22, 40, 0.75) 0%, rgba(10, 22, 40, 0.4) 50%, rgba(10, 22, 40, 0.15) 100%);
    z-index: 0;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-geometric {
    position: absolute;
    background: linear-gradient(135deg, rgba(26, 58, 138, 0.4), rgba(14, 165, 233, 0.1));
}

.geo-1 {
    width: 500px;
    height: 500px;
    top: -150px;
    left: -200px;
    transform: rotate(45deg);
    border-radius: 60px;
    animation: float1 15s ease-in-out infinite;
}

.geo-2 {
    width: 350px;
    height: 350px;
    bottom: -100px;
    right: -100px;
    transform: rotate(30deg);
    border-radius: 40px;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.15), rgba(0, 212, 255, 0.05));
    animation: float2 12s ease-in-out infinite;
}

.geo-3 {
    width: 200px;
    height: 200px;
    top: 30%;
    right: 10%;
    transform: rotate(60deg);
    border-radius: 30px;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.08), transparent);
    animation: float3 10s ease-in-out infinite;
}

@keyframes float1 {
    0%, 100% { transform: rotate(45deg) translate(0, 0); }
    50% { transform: rotate(45deg) translate(30px, -30px); }
}

@keyframes float2 {
    0%, 100% { transform: rotate(30deg) translate(0, 0); }
    50% { transform: rotate(30deg) translate(-20px, 20px); }
}

@keyframes float3 {
    0%, 100% { transform: rotate(60deg) translate(0, 0); }
    50% { transform: rotate(60deg) translate(15px, -15px); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: left;
    max-width: 650px;
    margin: 0;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.2rem, 4.5vw, 3.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 16px;
    color: var(--white);
}

.hero-divider {
    width: 60px;
    height: 4px;
    background: var(--cyan);
    border-radius: 2px;
    margin-bottom: 16px;
}

.highlight {
    background: linear-gradient(135deg, var(--cyan), var(--cyan-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1rem;
    color: var(--gray-light);
    max-width: 550px;
    margin: 0 0 24px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 14px;
    justify-content: flex-start;
    margin-bottom: 28px;
    flex-wrap: wrap;
}

/* Hero Checklist */
.hero-checklist {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.hero-checklist li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--white);
    font-size: 1rem;
    font-weight: 500;
}

.hero-checklist li svg {
    color: var(--cyan);
    flex-shrink: 0;
}

/* Hero Capabilities Bar */
.hero-capabilities {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 2;
    background: rgba(10, 22, 40, 0.85);
    backdrop-filter: blur(12px);
    border-top: 1px solid rgba(14, 165, 233, 0.15);
    padding: 20px 0;
}

.capabilities-grid {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

.capability-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--gray-light);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    position: relative;
}

.capability-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -24px;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 24px;
    background: rgba(255, 255, 255, 0.15);
}

.capability-item svg {
    color: var(--cyan);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--cyan), var(--blue));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.25);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(14, 165, 233, 0.35);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
    border-color: var(--cyan);
    color: var(--cyan);
    transform: translateY(-3px);
}

.btn-download {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border: 2px solid rgba(14, 165, 233, 0.4);
    backdrop-filter: blur(8px);
}

.btn-download:hover {
    background: linear-gradient(135deg, var(--cyan), var(--blue));
    border-color: transparent;
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(14, 165, 233, 0.35);
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.btn-lg {
    padding: 18px 40px;
    font-size: 1.05rem;
}

/* Hero Stats (legacy) */
.stat-label {
    font-size: 0.8rem;
    color: var(--gray-light);
    margin-top: 4px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-mouse {
    width: 26px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 13px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.scroll-wheel {
    width: 3px;
    height: 8px;
    background: var(--cyan);
    border-radius: 3px;
    animation: scrollAnim 2s ease-in-out infinite;
}

@keyframes scrollAnim {
    0% { opacity: 1; transform: translateY(0); }
    100% { opacity: 0; transform: translateY(12px); }
}

/* ===== SECTION COMMON ===== */
.section {
    padding: var(--section-padding);
    position: relative;
}

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

.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--cyan);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text-dark);
}

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

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

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
    margin-bottom: 80px;
}

.about-text p {
    color: var(--text-body);
    margin-bottom: 16px;
    font-size: 0.95rem;
}

.about-lead {
    font-size: 1.1rem !important;
    color: var(--text-dark) !important;
    font-weight: 500;
    line-height: 1.8;
}

.about-vision-mission {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.vm-card {
    padding: 32px;
    border-radius: 16px;
    border: 1px solid var(--gray-light);
    background: var(--off-white);
    transition: var(--transition);
}

.vm-card:hover {
    border-color: rgba(14, 165, 233, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(14, 165, 233, 0.1);
}

.vm-icon {
    color: var(--cyan);
    margin-bottom: 16px;
}

.vm-card h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.vm-card p {
    color: var(--text-body);
    font-size: 0.9rem;
}

/* Values */
.values-section {
    text-align: center;
}

.values-heading {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 40px;
    color: var(--text-dark);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
}

.value-card {
    padding: 32px 20px;
    border-radius: 16px;
    background: var(--off-white);
    border: 1px solid var(--gray-light);
    transition: var(--transition);
    text-align: center;
}

.value-card:hover {
    transform: translateY(-6px);
    border-color: rgba(14, 165, 233, 0.3);
    box-shadow: 0 12px 30px rgba(14, 165, 233, 0.1);
}

.value-icon {
    color: var(--cyan);
    margin-bottom: 16px;
}

.value-card h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.value-card p {
    font-size: 0.8rem;
    color: var(--text-body);
}

/* ===== APPROACH SECTION ===== */
.approach {
    background: var(--section-light);
}

.approach-timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    position: relative;
}

.approach-timeline::before {
    content: '';
    position: absolute;
    top: 42px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--cyan), var(--royal-blue), var(--cyan));
    opacity: 0.5;
}

.approach-step {
    text-align: center;
    position: relative;
    padding-top: 20px;
}

.step-number {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--cyan), var(--blue));
    color: var(--white);
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    position: relative;
    z-index: 1;
    box-shadow: 0 8px 25px rgba(14, 165, 233, 0.3);
}

.step-content h3 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.step-content p {
    font-size: 0.85rem;
    color: var(--text-body);
}

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

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

.service-card {
    position: relative;
    border-radius: 20px;
    background: var(--white);
    border: 1px solid var(--gray-light);
    transition: var(--transition);
    overflow: hidden;
}

.service-img {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.service-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.service-card:hover .service-img img {
    transform: scale(1.08);
}

.service-img::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60%;
    background: linear-gradient(to top, var(--white), transparent);
}

.service-body {
    padding: 28px 28px 32px;
    position: relative;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(14, 165, 233, 0.3);
    box-shadow: 0 20px 50px rgba(14, 165, 233, 0.12);
}

.service-icon {
    color: var(--cyan);
    margin-bottom: 14px;
}

.service-number {
    position: absolute;
    top: -8px;
    right: 20px;
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 900;
    color: rgba(14, 165, 233, 0.1);
    line-height: 1;
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.service-card p {
    color: var(--text-body);
    font-size: 0.85rem;
    line-height: 1.7;
}

/* Specialized Engineering Section */
.specialized-section {
    margin-top: 80px;
    text-align: center;
}

.specialized-heading {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 40px;
    color: var(--text-dark);
}

.specialized-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.spec-card {
    border-radius: 16px;
    overflow: hidden;
    background: var(--white);
    border: 1px solid var(--gray-light);
    transition: var(--transition);
}

.spec-card:hover {
    transform: translateY(-6px);
    border-color: rgba(14, 165, 233, 0.3);
    box-shadow: 0 16px 40px rgba(14, 165, 233, 0.12);
}

.spec-img {
    height: 160px;
    overflow: hidden;
    position: relative;
}

.spec-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.spec-img::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40%;
    background: linear-gradient(to top, var(--white), transparent);
}

.spec-body {
    padding: 20px;
}

.spec-body h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--cyan);
}

.spec-body p {
    font-size: 0.82rem;
    color: var(--text-body);
    line-height: 1.6;
}

/* ===== INDUSTRIES SECTION ===== */
.industries {
    background: var(--section-light);
}

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

.industries-grid .industry-card:nth-child(4) {
    grid-column: 1 / 2;
}

.industries-grid .industry-card:nth-child(5) {
    grid-column: 2 / 3;
}

.industry-card {
    border-radius: 20px;
    background: var(--white);
    border: 1px solid var(--gray-light);
    transition: var(--transition);
    text-align: center;
    overflow: hidden;
}

.industry-card:hover {
    transform: translateY(-6px);
    border-color: rgba(14, 165, 233, 0.25);
    box-shadow: 0 16px 40px rgba(14, 165, 233, 0.1);
}

.industry-img {
    height: 220px;
    overflow: hidden;
    position: relative;
}

.industry-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.industry-card:hover .industry-img img {
    transform: scale(1.08);
}

.industry-img::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(to top, var(--white), transparent);
}

.industry-overlay {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: rgba(10, 22, 40, 0.7);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cyan);
    z-index: 1;
    border: 1px solid rgba(14, 165, 233, 0.2);
    transition: var(--transition);
}

.industry-card:hover .industry-overlay {
    background: linear-gradient(135deg, var(--cyan), var(--blue));
    color: var(--white);
    border-color: transparent;
}

.industry-body {
    padding: 24px 28px 32px;
}

.industry-icon-wrap-legacy {
    /* kept for compatibility */
    color: var(--cyan);
    transition: var(--transition);
}

.industry-card:hover .industry-icon-wrap {
    background: linear-gradient(135deg, var(--cyan), var(--blue));
    color: var(--white);
    transform: scale(1.05);
}

.industry-card h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.industry-card p {
    font-size: 0.85rem;
    color: var(--text-body);
}

/* ===== WHY CHOOSE US ===== */
.why-us {
    background: var(--section-white);
}

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

.why-card {
    padding: 40px 32px;
    border-radius: 20px;
    background: var(--section-light);
    border: 1px solid var(--gray-light);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.why-card:hover {
    transform: translateY(-6px);
    border-color: rgba(14, 165, 233, 0.3);
    box-shadow: 0 16px 40px rgba(14, 165, 233, 0.1);
}

.why-number {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.35), rgba(14, 165, 233, 0.12));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 16px;
}

.why-card h3 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.why-card p {
    color: var(--text-body);
    font-size: 0.88rem;
}

/* ===== PAGE HEADER (Inner Pages) ===== */
.page-header {
    padding: 160px 0 60px;
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 163, 255, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.page-header .section-tag {
    display: inline-block;
    margin-bottom: 16px;
}

.page-header-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
    line-height: 1.2;
}

.page-header-subtitle {
    font-size: 1.1rem;
    color: var(--text-body);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ===== ABOUT INTRO (Homepage) ===== */
.about-intro-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-intro-content p {
    color: var(--text-body);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-intro-content .about-lead {
    font-size: 1.15rem;
    color: var(--text-light);
}

.about-intro-content .btn {
    margin-top: 24px;
}

/* ===== SECTION CTA (Homepage) ===== */
.section-cta {
    text-align: center;
    margin-top: 48px;
}

/* ===== SERVICES PREVIEW (Homepage) ===== */
.services-preview .service-card .service-img {
    display: none;
}

/* ===== CTA BANNER ===== */
.cta-banner {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--royal-blue), var(--navy-mid));
    position: relative;
    overflow: hidden;
    color: var(--white);
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.15), transparent 70%);
    border-radius: 50%;
}

.cta-banner::after {
    content: '';
    position: absolute;
    bottom: -60px;
    left: -60px;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.1), transparent 70%);
    border-radius: 50%;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--white);
}

.cta-content p {
    font-size: 1.1rem;
    color: var(--gray-light);
    margin-bottom: 32px;
}

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

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 48px;
    align-items: start;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    border-radius: 12px;
    background: var(--white);
    border: 1px solid var(--gray-light);
    margin-bottom: 16px;
    transition: var(--transition);
}

.contact-card:hover {
    border-color: rgba(14, 165, 233, 0.3);
    transform: translateX(4px);
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.15), rgba(14, 165, 233, 0.06));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cyan);
    flex-shrink: 0;
}

.contact-card h4 {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-body);
    margin-bottom: 2px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-card a {
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
}

.contact-card a:hover {
    color: var(--cyan);
}

.social-links {
    margin-top: 32px;
}

.social-links h4 {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-body);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.social-icons {
    display: flex;
    gap: 12px;
}

.social-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--white);
    border: 1px solid var(--gray-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-body);
    transition: var(--transition);
}

.social-icon:hover {
    background: linear-gradient(135deg, var(--cyan), var(--blue));
    color: var(--white);
    border-color: transparent;
    transform: translateY(-3px);
}

/* Contact Form */
.contact-form {
    padding: 40px;
    border-radius: 20px;
    background: var(--white);
    border: 1px solid var(--gray-light);
}

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

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

.form-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-body);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 16px;
    border-radius: 10px;
    border: 1px solid var(--gray-light);
    background: var(--section-light);
    color: var(--text-dark);
    font-family: var(--font-body);
    font-size: 0.9rem;
    transition: var(--transition);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-body);
    opacity: 0.5;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--cyan);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

.form-group select option {
    background: var(--white);
    color: var(--text-dark);
}

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

.form-group:last-of-type {
    margin-bottom: 24px;
}

.btn-submit {
    width: 100%;
    justify-content: center;
    padding: 16px;
    font-size: 1rem;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--navy);
    border-top: 1px solid rgba(14, 165, 233, 0.08);
    padding: 60px 0 0;
    color: var(--gray-light);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    width: 50px;
    margin-bottom: 12px;
}

.footer-brand h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: 1px;
    color: var(--white);
}

.footer-brand h3 span {
    font-weight: 400;
    font-size: 0.9rem;
    color: var(--gray);
}

.footer-brand p {
    color: var(--gray);
    font-size: 0.85rem;
}

.footer-links h4,
.footer-services h4,
.footer-contact h4 {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-links a,
.footer-services a,
.footer-contact a {
    display: block;
    color: var(--gray);
    font-size: 0.85rem;
    margin-bottom: 10px;
    transition: var(--transition);
}

.footer-links a:hover,
.footer-services a:hover,
.footer-contact a:hover {
    color: var(--cyan);
    transform: translateX(4px);
}

.footer-social {
    display: flex;
    gap: 10px;
    margin-top: 16px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: var(--navy-light);
    border: 1px solid rgba(14, 165, 233, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray);
    transition: var(--transition);
    margin-bottom: 0;
}

.footer-social a:hover {
    background: var(--cyan);
    color: var(--white);
    border-color: transparent;
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid rgba(14, 165, 233, 0.08);
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    color: var(--gray);
    font-size: 0.8rem;
}

/* ===== WHATSAPP BUTTON ===== */
.whatsapp-btn {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: #25d366;
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    transition: var(--transition);
}

.whatsapp-btn:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.5);
}

.contact-address {
    color: var(--text-dark);
    font-size: 0.95rem;
    line-height: 1.5;
}

.footer-address {
    color: var(--gray);
    font-size: 0.85rem;
    margin-top: 4px;
    line-height: 1.5;
}

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--cyan), var(--blue));
    color: var(--white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 8px 25px rgba(14, 165, 233, 0.3);
}

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

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(14, 165, 233, 0.4);
}

/* ===== ANIMATIONS ===== */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== PARTICLES ===== */
.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--cyan);
    border-radius: 50%;
    opacity: 0;
    animation: particleFloat linear infinite;
}

@keyframes particleFloat {
    0% {
        opacity: 0;
        transform: translateY(100vh) scale(0);
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.6;
    }
    100% {
        opacity: 0;
        transform: translateY(-10vh) scale(1);
    }
}

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

    .values-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

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

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

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

    .industries-grid .industry-card:nth-child(4),
    .industries-grid .industry-card:nth-child(5) {
        grid-column: auto;
    }

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

@media (max-width: 768px) {
    :root {
        --section-padding: 70px 0;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: rgba(10, 22, 40, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        gap: 24px;
        padding: 40px;
        transition: var(--transition);
        border-left: 1px solid rgba(14, 165, 233, 0.1);
        z-index: 1002;
    }

    .nav-menu.open {
        right: 0;
    }

    .brand-tagline {
        display: none;
    }

    .nav-link {
        font-size: 1.1rem;
        color: var(--gray-light) !important;
    }

    .nav-link:hover,
    .nav-link.active {
        color: var(--white) !important;
    }

    .nav-cta {
        display: none;
    }

    .hamburger {
        display: flex;
    }

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

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

    .service-img {
        height: 180px;
    }

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

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

    .approach-timeline {
        grid-template-columns: 1fr;
        gap: 24px;
    }

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

    .contact-form {
        padding: 24px;
    }

    .page-header {
        padding: 140px 0 40px;
    }

    .page-header-title {
        font-size: clamp(1.8rem, 6vw, 2.4rem);
    }

    .page-header-subtitle {
        font-size: 1rem;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .hero {
        padding: 120px 0 100px;
    }

    .hero::before {
        background: linear-gradient(to bottom, rgba(10, 22, 40, 0.7) 0%, rgba(10, 22, 40, 0.5) 50%, rgba(10, 22, 40, 0.7) 100%);
    }

    .hero-content {
        text-align: left;
        max-width: 100%;
    }

    .hero-title {
        font-size: clamp(2rem, 8vw, 2.8rem);
    }

    .hero-subtitle {
        font-size: 0.95rem;
    }

    .hero-checklist li {
        font-size: 0.9rem;
    }

    .capabilities-grid {
        display: grid;
        grid-template-columns: repeat(2, auto);
        justify-content: center;
        gap: 16px 48px;
    }

    .capability-item:not(:last-child)::after {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-badge {
        font-size: 0.7rem;
        padding: 6px 14px;
    }

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

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

    .hero-title {
        font-size: clamp(1.8rem, 7vw, 2.2rem);
    }

    .capabilities-grid {
        grid-template-columns: 1fr;
        justify-items: center;
        gap: 14px;
    }

    .capability-item {
        font-size: 0.8rem;
    }

    .capability-item:not(:last-child)::after {
        display: none;
    }

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

    .page-header {
        padding: 120px 0 32px;
    }

    .page-header-title {
        font-size: clamp(1.5rem, 7vw, 2rem);
    }

    .service-card,
    .why-card,
    .industry-card {
        padding: 28px 20px;
    }

    .service-img {
        height: 160px;
    }

    .service-body {
        padding: 20px 20px 24px;
    }
}