/* ===== Design System & Variables ===== */
:root {
    /* Colors - Geoestruct Corporate Brand (Vibrant) */
    --primary: #FF5A1F;
    /* More vibrant Corporate Orange */
    --primary-dark: #D64511;
    --primary-light: #FF8F66;
    --primary-alpha: rgba(255, 90, 31, 0.12);
    /* Slightly higher alpha for better glow */

    --accent: #1A1A1A;
    /* Deeper Dark */
    --accent-light: #2A2A2A;

    --text-primary: #0F172A;
    /* Deeper, richer dark slate */
    --text-secondary: #475569;
    --text-light: #94A3B8;
    --text-white: #FFFFFF;

    --bg-body: #FAFAFA;
    /* Cleaner off-white */
    --bg-surface: #FFFFFF;
    --bg-surface-alt: #F8FAFC;

    /* Advanced Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(255, 255, 255, 0.6);
    --glass-shadow: 0 8px 32px 0 rgba(15, 23, 42, 0.08);
    /* Darker, softer shadow */
    --blur-amount: 24px;
    /* More blur */

    /* Gradients - Corporate Orange */
    --gradient-primary: linear-gradient(135deg, #FF5A1F 0%, #FF2A55 100%);
    /* More dynamic Red-Orange */
    --gradient-dark: linear-gradient(135deg, #1A1A1A 0%, #0F172A 100%);
    --gradient-subtle: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 6rem;
    --spacing-3xl: 10rem;

    /* Typography - Professional Sizes */
    --font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.75rem;
    /* Slightly larger */
    --font-size-3xl: 2.5rem;
    /* Slightly larger */
    --font-size-4xl: 3rem;
    /* Slightly larger */
    --font-size-giant: clamp(3rem, 7vw, 5rem);
    /* More impact */

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-full: 9999px;

    /* Premium Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -2px rgba(15, 23, 42, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 10px 10px -5px rgba(15, 23, 42, 0.04);
    --shadow-glow: 0 0 30px rgba(255, 90, 31, 0.3);
    /* Softer, wider glow */

    /* Transitions */
    --ease-out: cubic-bezier(0.215, 0.61, 0.355, 1);
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
    /* Bounce effect for micro-interactions */
    --transition-fast: 0.2s var(--ease-out);
    --transition-normal: 0.4s var(--ease-out);
    --transition-slow: 0.7s var(--ease-out);
    --transition-bounce: 0.5s var(--ease-bounce);
}

/* ===== Animations ===== */
@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes blob {
    0% {
        transform: translate(0px, 0px) scale(1);
    }

    33% {
        transform: translate(30px, -50px) scale(1.1);
    }

    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }

    100% {
        transform: translate(0px, 0px) scale(1);
    }
}

@keyframes pulse-glow {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 90, 31, 0.4);
    }

    70% {
        box-shadow: 0 0 0 15px rgba(255, 90, 31, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(255, 90, 31, 0);
    }
}

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

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

body {
    font-family: var(--font-family);
    color: var(--text-primary);
    background-color: var(--bg-body);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    /* Crisper fonts on mac/windows */
}

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

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

ul {
    list-style: none;
}

/* ===== Typography ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
    line-height: 1.25;
    /* Tighter line-height for headings */
    font-weight: 700;
    /* Bolder headings */
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.03em;
    /* Tighter tracking for modern look */
    color: var(--text-primary);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
}

/* ===== Layout Utility ===== */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.section {
    padding: var(--spacing-2xl) 0;
    position: relative;
    overflow: hidden;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    transition: var(--transition-normal);
}

.navbar.scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    border-bottom: 1px solid var(--glass-border);
    padding: var(--spacing-xs) 0;
    box-shadow: var(--glass-shadow);
}

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

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.nav-logo {
    height: 50px;
    /* Force height */
    width: auto;
    object-fit: contain;
    display: block;
    /* Ensure it's not inline-block with weird spacing */
}

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

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

.nav-link {
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    font-size: var(--font-size-sm);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-fast);
}

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

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

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
    padding: var(--spacing-xs);
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-normal);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    background: #FFFFFF;
    isolation: isolate;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    background: radial-gradient(circle at 50% 100%, rgba(255, 90, 31, 0.03) 0%, transparent 70%);
}

/* Dynamic Blobs for Hero */
.hero-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: -1;
    opacity: 0.4;
    animation: blob 20s infinite alternate cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-blob-1 {
    top: 10%;
    left: 10%;
    width: 400px;
    height: 400px;
    background: var(--primary-light);
    animation-delay: 0s;
}

.hero-blob-2 {
    bottom: -10%;
    right: 5%;
    width: 500px;
    height: 500px;
    background: #FF2A55;
    animation-delay: -5s;
    opacity: 0.25;
}

.hero-content {
    max-width: 900px;
    /* Slightly wider */
    text-align: center;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: var(--font-size-giant);
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 60ch;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--primary);
}

.stat-label {
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-light);
    font-weight: 600;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: var(--font-size-base);
    transition: var(--transition-bounce);
    cursor: pointer;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    border: 2px solid transparent;
    color: white;
    box-shadow: 0 4px 15px rgba(255, 90, 31, 0.3);
    animation: pulse-glow 3s infinite;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-glow);
}

/* Subtle inner shine on primary button */
.btn-primary::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(to right, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.3) 50%, rgba(255, 255, 255, 0) 100%);
    transform: skewX(-25deg);
    animation: shine 6s infinite;
}

@keyframes shine {
    0% {
        left: -100%;
    }

    20% {
        left: 200%;
    }

    100% {
        left: 200%;
    }
}

.btn-secondary {
    background: white;
    border: 1px solid rgba(15, 23, 42, 0.1);
    /* Softer border */
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    border-color: rgba(15, 23, 42, 0.2);
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-md);
}

.btn-block {
    width: 100%;
}

/* ===== Sections Common ===== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-size: var(--font-size-4xl);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
}

/* ===== Services (Glass Cards) ===== */
.services {
    background: var(--bg-body);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    /* Slightly more gap */
}

.service-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    padding-bottom: 4rem;
    min-height: 380px;
    display: flex;
    flex-direction: column;
    transition: var(--transition-bounce);
    position: relative;
    overflow: hidden;
    box-shadow: var(--glass-shadow);
}

/* Gradient Origin Border Effect */
.service-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    padding: 2px;
    background: var(--gradient-primary);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: var(--transition-normal);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--ease-bounce);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

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

.service-card:hover::after {
    opacity: 1;
    /* Reveal gradient border */
}

.service-icon {
    margin-bottom: var(--spacing-md);
    background: var(--primary-alpha);
    width: 90px;
    height: 90px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
    padding: 10px;
}

.service-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: var(--transition-normal);
}

.service-card:hover .service-icon {
    background: var(--primary);
    transform: scale(1.1);
}

.service-card:hover .service-icon img {
    filter: brightness(0) invert(1);
}

.service-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.service-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

/* Service Card Interaction - Slide-up Banner */
.service-features {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    padding: var(--spacing-lg);
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 10;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
}

.service-card:hover .service-features {
    transform: translateY(0);
}

.service-features li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: white;
    /* White text on orange bg */
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

/* Staggered animation for list items */
.service-card:hover .service-features li {
    opacity: 1;
    transform: translateY(0);
}

.service-card:hover .service-features li:nth-child(1) {
    transition-delay: 0.1s;
}

.service-card:hover .service-features li:nth-child(2) {
    transition-delay: 0.15s;
}

.service-card:hover .service-features li:nth-child(3) {
    transition-delay: 0.2s;
}

.service-card:hover .service-features li:nth-child(4) {
    transition-delay: 0.25s;
}

.service-card:hover .service-features li:nth-child(5) {
    transition-delay: 0.3s;
}

.service-card:hover .service-features li:nth-child(6) {
    transition-delay: 0.35s;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: rgba(255, 255, 255, 0.8);
    font-weight: bold;
}

/* ===== Projects ===== */
.projects {
    background: var(--bg-surface-alt);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.project-card {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.project-image {
    height: 250px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.project-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 50%, rgba(0, 0, 0, 0.5));
    opacity: 0.6;
}

.project-content {
    padding: var(--spacing-lg);
}

.project-title {
    font-size: var(--font-size-xl);
}

.project-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-md);
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background: var(--bg-surface-alt);
    color: var(--text-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===== Tech Stack ===== */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
}

.tech-card {
    background: var(--bg-surface);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition-bounce);
    border: 1px solid rgba(15, 23, 42, 0.05);
    /* Softer dark border */
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.tech-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-normal);
    z-index: 0;
}

.tech-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    border-color: transparent;
}

.tech-card:hover::before {
    opacity: 0.03;
    /* Subtle background tint on hover */
}

.tech-icon,
.tech-card h3,
.tech-card p {
    position: relative;
    z-index: 1;
}

.tech-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    display: inline-block;
}

/* ===== Contact ===== */
/* ===== LiDAR Section ===== */
.lidar-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.lidar-text h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.lidar-text p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.lidar-image-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    align-items: center;
}

.lidar-img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
}

.lidar-img:hover {
    transform: scale(1.05);
}

@media (max-width: 900px) {
    .lidar-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .lidar-image-container {
        order: -1;
    }
}

/* ===== Contact Section ===== */
.contact {
    background: radial-gradient(circle at top right, #f8f9fa 0%, #ffffff 100%);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: -50px;
    left: 0;
    width: 100%;
    height: 100px;
    background: var(--bg-surface);
    transform: skewY(-2deg);
    z-index: 10;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: start;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.info-card {
    background: #FFFFFF;
    border: 1px solid rgba(0, 0, 0, 0.05);
    padding: 2rem;
    border-radius: 20px;
    text-align: left;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255, 107, 53, 0.2);
}

.info-icon {
    font-size: 1.75rem;
    background: var(--primary-alpha);
    color: var(--primary);
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    flex-shrink: 0;
    transition: var(--transition-normal);
}

.info-card:hover .info-icon {
    background: var(--primary);
    color: white;
    transform: rotate(10deg);
}

.info-card h3 {
    margin-bottom: 0.25rem;
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 700;
}

.info-card p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.5;
}

.contact-form {
    background: #FFFFFF;
    border: 1px solid rgba(0, 0, 0, 0.05);
    padding: 3.5rem;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
}

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

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem 1.25rem;
    background: #F9FAFB;
    border: 1px solid #E5E7EB;
    border-radius: 12px;
    color: var(--text-primary);
    font-family: inherit;
    transition: var(--transition-normal);
    font-size: 0.95rem;
}

.form-group textarea {
    height: 150px;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    background: #FFFFFF;
    box-shadow: 0 0 0 4px var(--primary-alpha);
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

@media (max-width: 900px) {
    .contact-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .contact-info {
        grid-template-columns: 1fr;
    }

    .info-card {
        padding: 1.5rem;
    }
}

/* ===== Footer ===== */
.footer {
    background: var(--accent);
    color: var(--text-white);
    padding-top: var(--spacing-2xl);
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: var(--spacing-md);
    color: white;
    font-size: var(--font-size-base);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.5;
    font-weight: 600;
}

.footer-section h3 {
    font-size: var(--font-size-xl);
    text-transform: none;
    letter-spacing: normal;
    opacity: 1;
    color: white;
    margin-bottom: var(--spacing-sm);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.footer-section ul li {
    margin-bottom: 0.5rem;
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.6);
    transition: var(--transition-fast);
}

.footer-section ul li a:hover {
    color: var(--primary);
    padding-left: 4px;
}

/* Social Links Icons */
.social-links {
    display: flex;
    gap: 0.75rem;
    margin-top: var(--spacing-sm);
    flex-wrap: wrap;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-bounce);
    text-decoration: none;
}

.social-links a:hover {
    background: var(--primary);
    color: white;
    border-color: transparent;
    transform: translateY(-4px) scale(1.1);
    box-shadow: 0 8px 20px rgba(255, 90, 31, 0.4);
}

.footer-bottom {
    padding: var(--spacing-lg) 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
}

/* ===== Animations ===== */
/* Reveal animations triggered by JS */
[data-reveal] {
    opacity: 0;
    transition: 1s var(--ease-out);
}

[data-reveal="fade-up"] {
    transform: translateY(30px);
}

[data-reveal="fade-left"] {
    transform: translateX(30px);
}

[data-reveal="fade-right"] {
    transform: translateX(-30px);
}

[data-reveal].active {
    opacity: 1;
    transform: translate(0, 0);
}

/* Delays */
[data-delay="100"] {
    transition-delay: 0.1s;
}

[data-delay="200"] {
    transition-delay: 0.2s;
}

[data-delay="300"] {
    transition-delay: 0.3s;
}

[data-delay="400"] {
    transition-delay: 0.4s;
}

[data-delay="500"] {
    transition-delay: 0.5s;
}

[data-delay="600"] {
    transition-delay: 0.6s;
}

[data-delay="700"] {
    transition-delay: 0.7s;
}

[data-delay="800"] {
    transition-delay: 0.8s;
}

/* ===== Media Queries ===== */
@media (max-width: 968px) {
    :root {
        --font-size-giant: 3.5rem;
        --font-size-4xl: 2.25rem;
    }

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

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

@media (max-width: 768px) {
    :root {
        --font-size-giant: 2.5rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.75rem;
        --spacing-2xl: 4rem;
    }

    .mobile-toggle {
        display: flex;
        z-index: 1001;
    }

    .nav-menu {
        position: fixed;
        inset: 0;
        background: var(--bg-surface);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        z-index: 1000;
        padding: 2rem;
        /* Hidden state */
        visibility: hidden;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s ease, visibility 0.3s ease;
    }

    .nav-menu.active {
        visibility: visible;
        opacity: 1;
        pointer-events: all;
    }

    .nav-link {
        font-size: 1.5rem;
    }

    .hero-title {
        font-size: 2.25rem;
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }

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

    /* Tech grid */
    .tech-grid {
        grid-template-columns: 1fr 1fr;
    }

    /* LiDAR images */
    .lidar-image-container {
        grid-template-columns: 1fr;
    }

    .lidar-img {
        height: 200px;
    }

    /* Contact form */
    .contact-form {
        padding: 2rem 1.5rem;
    }

    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .footer-section:first-child {
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        padding-bottom: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-giant: 2rem;
        --font-size-4xl: 1.75rem;
    }

    .btn {
        padding: 0.75rem 1.5rem;
        font-size: var(--font-size-sm);
    }

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

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

    .service-card {
        padding: var(--spacing-lg);
        padding-bottom: 3rem;
        min-height: auto;
    }
}

/* ===== Service Detail Modal ===== */

/* "Ver Detalle" button inside the hover panel */
.service-features-cta {
    margin-top: auto;
    padding-left: 0 !important;
    list-style: none;
}

.service-features-cta::before {
    display: none !important;
}

.btn-ver-detalle {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.5);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-bounce);
    margin-top: 0.5rem;
    letter-spacing: 0.02em;
}

.btn-ver-detalle:hover {
    background: white;
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Button for tech cards (visible, not in hover panel) */
.btn-tech-detalle {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 0.45rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 0.75rem;
    transition: var(--transition-bounce);
    letter-spacing: 0.02em;
    position: relative;
    z-index: 2;
}

.btn-tech-detalle:hover {
    transform: translateY(-3px) scale(1.04);
    box-shadow: var(--shadow-glow);
}

/* Modal Overlay */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s var(--ease-out);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

/* Modal Container */
.modal-container {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 680px;
    max-height: 88vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 30px 60px rgba(15, 23, 42, 0.25);
    position: relative;
    transform: translateY(30px) scale(0.97);
    transition: transform 0.35s var(--ease-bounce);
}

.modal-overlay.active .modal-container {
    transform: translateY(0) scale(1);
}

/* Close button */
.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: rgba(15, 23, 42, 0.06);
    color: var(--text-secondary);
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    z-index: 10;
}

.modal-close:hover {
    background: var(--primary);
    color: white;
    transform: rotate(90deg);
}

/* Modal Header - gradient bar */
.modal-header {
    background: var(--gradient-primary);
    padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.modal-icon {
    font-size: 2.8rem;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.modal-title {
    color: white;
    font-size: var(--font-size-2xl);
    margin-bottom: 0.35rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.modal-desc {
    color: rgba(255, 255, 255, 0.85);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin: 0;
}

/* Modal Body - scrollable */
.modal-body {
    padding: var(--spacing-lg) var(--spacing-xl);
    overflow-y: auto;
    flex: 1;
}

.modal-category {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.modal-category:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.modal-category-title {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

.modal-category-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.modal-category-list li {
    padding-left: 1.25rem;
    position: relative;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.modal-category-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

/* Modal Footer */
.modal-footer {
    padding: var(--spacing-md) var(--spacing-xl);
    border-top: 1px solid rgba(15, 23, 42, 0.06);
    display: flex;
    justify-content: flex-end;
    background: var(--bg-surface-alt);
}

/* Mobile adjustments for modal */
@media (max-width: 480px) {
    .modal-header {
        padding: var(--spacing-lg);
        flex-direction: column;
        align-items: flex-start;
    }

    .modal-body {
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .modal-footer {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .modal-title {
        font-size: var(--font-size-xl);
    }
}

/* ===== WhatsApp Floating Button ===== */
@keyframes wa-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5);
    }

    70% {
        box-shadow: 0 0 0 16px rgba(37, 211, 102, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 1500;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #25D366;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
    animation: wa-pulse 2.5s infinite;
    transition: transform 0.3s var(--ease-bounce), box-shadow 0.3s ease;
}

.whatsapp-float:hover {
    transform: scale(1.12) translateY(-4px);
    box-shadow: 0 12px 30px rgba(37, 211, 102, 0.55);
    animation: none;
}

/* Tooltip */
.whatsapp-tooltip {
    position: absolute;
    right: 72px;
    background: #1A1A1A;
    color: white;
    padding: 0.4rem 0.85rem;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transform: translateX(8px);
    transition: opacity 0.2s ease, transform 0.25s var(--ease-out);
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-left-color: #1A1A1A;
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    transform: translateX(0);
}

@media (max-width: 480px) {
    .whatsapp-float {
        bottom: 1.25rem;
        right: 1.25rem;
        width: 52px;
        height: 52px;
    }
}

/* On contact section area, push WA button further right to not overlap form */
@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 1.5rem;
        right: 1rem;
    }

    .whatsapp-tooltip {
        display: none;
        /* Hide tooltip on mobile - too cramped */
    }
}

/* ===== Quiénes Somos Section ===== */
.nosotros {
    background: var(--bg-surface-alt);
    position: relative;
    overflow: hidden;
}

.nosotros::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 400px;
    height: 400px;
    background: var(--primary-alpha);
    border-radius: 50%;
    filter: blur(80px);
    z-index: 0;
}

.nosotros-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

/* Left column - text */
.nosotros-tag {
    display: inline-block;
    background: var(--primary-alpha);
    color: var(--primary);
    padding: 0.35rem 1rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
}

.nosotros-title {
    font-size: var(--font-size-3xl);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.nosotros-desc {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.nosotros-desc strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Right column - cards */
.nosotros-cards {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.nosotros-card {
    background: var(--bg-surface);
    border: 1px solid rgba(15, 23, 42, 0.06);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-bounce);
}

.nosotros-card:hover {
    transform: translateX(6px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-alpha);
}

.nosotros-card-icon {
    font-size: 1.75rem;
    background: var(--primary-alpha);
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--transition-normal);
}

.nosotros-card:hover .nosotros-card-icon {
    background: var(--primary);
    transform: scale(1.05);
}

.nosotros-card h4 {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.35rem;
}

.nosotros-card p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

/* Responsive */
@media (max-width: 900px) {
    .nosotros-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
}

@media (max-width: 480px) {
    .nosotros-title {
        font-size: var(--font-size-2xl);
    }

    .nosotros-desc {
        font-size: var(--font-size-base);
    }
}


/* ===== Contact Map ===== */
.contact-map {
    margin-top: var(--spacing-xl);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.contact-map iframe {
    display: block;
}