/* ============================================
   ALPHA DRONES - Premium Website Styles
   Inspired by Leher.ag with Alpha Drones colors
   Brand Colors: #93CEE9, #0099DB, #002249, #0075BA
   ============================================ */

/* Font Face Definitions - Rustica */
@font-face {
    font-family: 'Rustica';
    src: url('../FONTS/Rustica_Thin.otf') format('opentype');
    font-weight: 100;
    font-style: normal;
}

@font-face {
    font-family: 'Rustica';
    src: url('../FONTS/Rustica_Extra_Light.otf') format('opentype');
    font-weight: 200;
    font-style: normal;
}

@font-face {
    font-family: 'Rustica';
    src: url('../FONTS/Rustica_Light.otf') format('opentype');
    font-weight: 300;
    font-style: normal;
}

@font-face {
    font-family: 'Rustica';
    src: url('../FONTS/Rustica_Regular.otf') format('opentype');
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: 'Rustica';
    src: url('../FONTS/Rustica_Medium.otf') format('opentype');
    font-weight: 500;
    font-style: normal;
}

@font-face {
    font-family: 'Rustica';
    src: url('../FONTS/Rustica_Bold.otf') format('opentype');
    font-weight: 700;
    font-style: normal;
}

@font-face {
    font-family: 'Rustica';
    src: url('../FONTS/Rustica_Extra_Bold.otf') format('opentype');
    font-weight: 800;
    font-style: normal;
}

@font-face {
    font-family: 'Rustica';
    src: url('../FONTS/Rustica_Black.otf') format('opentype');
    font-weight: 900;
    font-style: normal;
}

/* CSS Variables */
:root {
    /* Brand Colors - Blue Palette */
    --color-primary-light: #93CEE9;
    --color-primary: #0099DB;
    --color-primary-dark: #0075BA;
    --color-navy: #002249;

    /* Background Colors (Leher-inspired light theme) */
    --color-bg-light: #F8FCED;
    --color-bg-cream: #F8FCED;
    --color-bg-white: #ffffff;

    /* Text Colors */
    --color-text-dark: #002249;
    --color-text-medium: #002249;
    --color-text-light: #3a5a7c;

    /* Accent Colors */
    --color-accent: #0099DB;
    --color-accent-light: #93CEE9;

    /* Solid Colors (No Gradients) */
    --gradient-primary: #0099DB;
    --gradient-light: #93CEE9;
    --gradient-text: #0099DB;
    --gradient-bg: #F8FCED;

    /* Typography */
    --font-primary: 'Rustica', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-secondary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 34, 73, 0.06);
    --shadow-md: 0 4px 20px rgba(0, 34, 73, 0.08);
    --shadow-lg: 0 8px 40px rgba(0, 34, 73, 0.12);
    --shadow-xl: 0 20px 60px rgba(0, 34, 73, 0.16);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-text-dark);
    background-color: #F8FCED;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Selection */
::selection {
    background: var(--color-primary);
    color: white;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-light);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 4px;
}

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

.text-gradient {
    color: var(--color-primary);
}

/* ============================================
   TOP HEADER BAR
   ============================================ */
.top-header {
    background: var(--color-navy);
    color: white;
    padding: 10px 0;
    text-align: center;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1001;
    transition: transform 0.3s ease;
}

.top-header.hidden {
    transform: translateY(-100%);
}

.top-header span {
    opacity: 0.9;
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
    padding: 12px 0;
    transition: all var(--transition-normal);
    background: #ffffff;
    box-shadow: var(--shadow-md);
    top: 40px;
}

.navbar.header-hidden {
    top: 0;
}

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

.navbar-brand {
    display: flex;
    align-items: baseline;
    gap: 4px;
    text-decoration: none;
}

.brand-alpha {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-navy);
    letter-spacing: 0.05em;
}

.brand-drones {
    font-size: 1.25rem;
    font-weight: 300;
    color: var(--color-primary);
    letter-spacing: 0.05em;
}

.navbar-nav .nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: #002249;
    padding: 8px 16px !important;
    transition: color var(--transition-fast);
    position: relative;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 16px;
    right: 16px;
    height: 2px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

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

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
    transform: scaleX(1);
}

.navbar-toggler {
    border: none;
    padding: 8px;
}

.navbar-toggler:focus {
    box-shadow: none;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23002249' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Navbar Left - Contact Button */
.navbar-left {
    display: flex;
    align-items: center;
    flex: 0 0 auto;
}

/* Navbar Center - Nav Links - Between logo and contact button */
@media (min-width: 992px) {
    .navbar .container {
        display: flex;
        align-items: center;
    }

    .navbar-nav {
        position: static;
        transform: none;
        margin-left: 60px;
        margin-right: auto;
    }
}

/* Navbar Buttons Container */
.navbar-buttons {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
}

/* Phone Button */
.btn-phone {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: transparent;
    border: 1px solid rgba(0, 34, 73, 0.15);
    color: var(--color-navy);
    font-weight: 500;
    font-size: 0.85rem;
    padding: 8px 14px;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    text-decoration: none;
}

.btn-phone i {
    font-size: 0.85rem;
    color: var(--color-navy);
}

.btn-phone:hover {
    background: rgba(0, 153, 219, 0.1);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-phone:hover i {
    color: var(--color-primary);
}

/* Contact Us Button - Solid Color */
.btn-contact {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #0099DB;
    border: 1px solid #0099DB;
    color: white;
    font-weight: 500;
    font-size: 0.85rem;
    padding: 8px 14px;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    text-decoration: none;
}

.btn-contact:hover {
    background: #007ab8;
    border-color: #007ab8;
    color: white;
}

/* Mobile Contact Button (next to hamburger) */
.btn-contact-mobile {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #0099DB;
    border: none;
    color: white;
    font-weight: 600;
    font-size: 0.8rem;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    text-decoration: none;
    margin-right: 12px;
    white-space: nowrap;
}

.btn-contact-mobile:hover {
    background: #007ab8;
    color: white;
}

/* Custom Buttons */
.btn-primary-custom {
    background: var(--gradient-primary);
    border: none;
    color: white;
    font-weight: 500;
    padding: 12px 28px;
    border-radius: var(--radius-full);
    transition: all var(--transition-normal);
    box-shadow: 0 4px 15px rgba(0, 153, 219, 0.3);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.btn-primary-custom:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 153, 219, 0.4);
    color: white;
    background: #007ab8;
}

/* Ensure all buttons have centered text */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.btn i {
    flex-shrink: 0;
}

.btn span {
    display: inline-block;
}

.btn-outline-custom {
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    font-weight: 500;
    padding: 10px 26px;
    border-radius: var(--radius-full);
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.btn-outline-custom:hover {
    background: var(--color-primary);
    color: white;
}

/* Video Hero Outline Button */
.hero-section.has-video .btn-outline-custom {
    border-color: rgba(255, 255, 255, 0.5);
    color: white;
}

.hero-section.has-video .btn-outline-custom:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: white;
}

/* Video Hero Primary Button */
.hero-section.has-video .btn-primary-custom {
    background: #0099DB;
    border: none;
    color: white;
    box-shadow: 0 4px 20px rgba(0, 153, 219, 0.4);
}

.hero-section.has-video .btn-primary-custom:hover {
    background: #0099DB;
    color: white;
    box-shadow: 0 6px 25px rgba(0, 153, 219, 0.5);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero-section {
    min-height: 100vh;
    background: var(--gradient-bg);
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

/* Hero Video Background */
.hero-video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 34, 73, 0.75);
    z-index: -1;
}

.hero-section.has-video {
    background: transparent;
}

.hero-section.has-video .hero-bg-shapes {
    display: none;
}

.hero-section.has-video .hero-badge {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
}

.hero-section.has-video .hero-badge i {
    color: #ffc107;
}

.hero-section.has-video .hero-title {
    color: white;
}

.hero-section.has-video .hero-title .text-gradient {
    color: #93CEE9;
}

.hero-section.has-video .hero-subtitle {
    color: rgba(255, 255, 255, 0.9);
}

.hero-section.has-video .hero-tags .tag {
    color: white;
}

.hero-section.has-video .hero-tags .tag i {
    color: #93CEE9;
}

.hero-section.has-video .hero-stats-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

.hero-section.has-video .scroll-indicator .mouse {
    border-color: white;
}

.hero-section.has-video .scroll-indicator .mouse::before {
    background: white;
}

.hero-section.has-video .scroll-indicator span {
    color: rgba(255, 255, 255, 0.7);
}

.hero-bg-shapes {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: var(--color-primary-light);
    opacity: 0.1;
}

.shape-1 {
    width: 400px;
    height: 400px;
    top: -100px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.shape-2 {
    width: 300px;
    height: 300px;
    bottom: 10%;
    left: -150px;
    animation: float 10s ease-in-out infinite;
    animation-delay: 2s;
}

.shape-3 {
    width: 200px;
    height: 200px;
    top: 40%;
    right: 20%;
    background: var(--color-primary);
    opacity: 0.05;
    animation: float 6s ease-in-out infinite;
    animation-delay: 4s;
}

@keyframes float {

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

    50% {
        transform: translateY(-30px) scale(1.05);
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    background: white;
    padding: 10px 20px;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    box-shadow: var(--shadow-md);
    margin-bottom: 24px;
}

.hero-badge i {
    color: #ffc107;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    color: var(--color-navy);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-medium);
    margin-bottom: 24px;
    max-width: 500px;
}

.hero-tags {
    display: flex;
    gap: 20px;
    margin-bottom: 32px;
}

.hero-tags .tag {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--color-navy);
}

.hero-tags .tag i {
    color: var(--color-primary);
    font-size: 1.1rem;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-cta .btn {
    min-width: 180px;
    padding: 14px 32px;
}

/* Hero Stats Card */
.hero-stats-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: var(--shadow-xl);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
    display: block;
}

.stat-suffix {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary-light);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-top: 8px;
    display: block;
}

.stat-divider {
    width: 1px;
    height: 60px;
    background: var(--color-primary-light);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    animation: bounce 2s infinite;
}

.scroll-indicator .mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-primary);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator .mouse::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 2px;
    animation: scroll-wheel 2s infinite;
}

.scroll-indicator span {
    font-size: 0.75rem;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

@keyframes scroll-wheel {

    0%,
    100% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }

    50% {
        opacity: 0.5;
        transform: translateX(-50%) translateY(6px);
    }
}

/* ============================================
   STATS BAR
   ============================================ */
.stats-bar {
    background: var(--gradient-primary);
    padding: 30px 0;
}

.stats-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    color: white;
}

.stats-icon {
    width: 56px;
    height: 56px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stats-icon i {
    font-size: 1.5rem;
}

.stats-content h3 {
    font-size: 2rem;
    font-weight: 800;
    color: white;
    margin-bottom: 0;
}

.stats-content p {
    font-size: 0.875rem;
    opacity: 0.9;
    margin-bottom: 0;
}

/* ============================================
   SECTION STYLES
   ============================================ */
.section-tag {
    display: inline-block;
    background: rgba(0, 153, 219, 0.1);
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 600;
    padding: 8px 20px;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.section-desc {
    font-size: 1.1rem;
    color: var(--color-text-medium);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-section {
    padding: 100px 0;
    background: var(--color-bg-cream);
}

.about-image-wrapper {
    position: relative;
    padding: 40px;
}

.about-shape {
    position: absolute;
    border-radius: 50%;
}

.about-shape-1 {
    width: 300px;
    height: 300px;
    background: var(--color-primary-light);
    opacity: 0.2;
    top: 0;
    left: 0;
}

.about-shape-2 {
    width: 150px;
    height: 150px;
    background: var(--color-primary);
    opacity: 0.1;
    bottom: 20px;
    right: 20px;
}

.about-content-box {
    position: relative;
    z-index: 1;
}

.founders-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 50px 40px;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.founders-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.founders-icon i {
    font-size: 2rem;
    color: var(--color-navy);
}

.founders-label {
    display: block;
    font-size: 0.875rem;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
}

.founders-card h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 0;
}

.founders-card .divider {
    display: block;
    font-size: 1.5rem;
    color: var(--color-primary-light);
    margin: 8px 0;
}

.lead-text {
    font-size: 1.125rem;
    color: var(--color-text-medium);
    margin-bottom: 32px;
    line-height: 1.7;
}

.lead-text strong {
    color: var(--color-primary);
}

/* Mission Vision Cards */
.mission-vision-cards {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mv-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    gap: 20px;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.mv-card:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.mv-icon {
    width: 56px;
    height: 56px;
    min-width: 56px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.mv-icon i {
    font-size: 1.5rem;
    color: white;
}

.mv-content h5 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 8px;
}

.mv-content p {
    font-size: 0.9rem;
    color: var(--color-text-medium);
    margin-bottom: 0;
    line-height: 1.6;
}

/* About Highlight */
.about-highlight {
    margin-top: 60px;
    padding: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    text-align: center;
}

.about-highlight p {
    font-size: 1.25rem;
    font-weight: 500;
    color: white;
    margin-bottom: 0;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services-section {
    padding: 100px 0;
    background: var(--color-bg-light);
}

.service-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    height: 100%;
    position: relative;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
    border: 1px solid transparent;
    overflow: hidden;
}

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

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

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

.service-number {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-primary-light);
    opacity: 0.5;
}

.service-icon {
    width: 64px;
    height: 64px;
    background: rgba(0, 153, 219, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: all var(--transition-normal);
}

.service-icon i {
    font-size: 1.75rem;
    color: var(--color-primary);
}

.service-card:hover .service-icon {
    background: var(--gradient-primary);
}

.service-card:hover .service-icon i {
    color: white;
}

.service-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 12px;
    line-height: 1.3;
}

.service-card p {
    font-size: 0.9rem;
    color: var(--color-text-medium);
    margin-bottom: 16px;
    line-height: 1.6;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.service-tags span {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-primary);
    background: rgba(0, 153, 219, 0.1);
    padding: 4px 12px;
    border-radius: var(--radius-full);
}

/* ============================================
   TECHNOLOGY SECTION
   ============================================ */
.technology-section {
    padding: 100px 0;
    background: var(--color-bg-cream);
}

.drone-showcase {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.drone-glow {
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
    opacity: 0.15;
    filter: blur(50px);
    animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.15;
    }

    50% {
        transform: scale(1.1);
        opacity: 0.25;
    }
}

.drone-visual {
    position: relative;
    z-index: 1;
    animation: float-drone 4s ease-in-out infinite;
}

.drone-visual svg {
    width: 280px;
    height: 280px;
    stroke: var(--color-primary);
}

@keyframes float-drone {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

.specs-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 32px;
}

.spec-item {
    display: flex;
    align-items: center;
    gap: 20px;
    background: white;
    padding: 20px 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.spec-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.spec-icon {
    width: 56px;
    height: 56px;
    min-width: 56px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.spec-icon i {
    font-size: 1.5rem;
    color: white;
}

.spec-content h5 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 4px;
}

.spec-content h5 small {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-primary);
}

.spec-content span {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* ============================================
   WHY US SECTION
   ============================================ */
.why-us-section {
    padding: 100px 0;
    background: var(--color-bg-light);
}

.why-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 40px 32px;
    text-align: center;
    height: 100%;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

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

.why-icon {
    width: 80px;
    height: 80px;
    background: rgba(0, 153, 219, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    transition: all var(--transition-normal);
}

.why-icon i {
    font-size: 2rem;
    color: var(--color-primary);
}

.why-card:hover .why-icon {
    background: var(--gradient-primary);
}

.why-card:hover .why-icon i {
    color: white;
}

.why-card h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 12px;
}

.why-card p {
    font-size: 0.9rem;
    color: var(--color-text-medium);
    margin-bottom: 0;
    line-height: 1.6;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    padding: 80px 0;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

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

.cta-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: white;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
}

.cta-content .btn-light {
    background: white;
    color: var(--color-primary);
    font-weight: 600;
    padding: 14px 36px;
    border-radius: var(--radius-full);
    transition: all var(--transition-normal);
}

.cta-content .btn-light:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-section {
    padding: 100px 0;
    background: var(--color-bg-cream);
}

.contact-lead {
    font-size: 1.1rem;
    color: var(--color-text-medium);
    margin-bottom: 40px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
    text-decoration: none;
    color: var(--color-text-medium);
    transition: all var(--transition-normal);
}

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

.contact-icon {
    width: 52px;
    height: 52px;
    min-width: 52px;
    background: rgba(0, 153, 219, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
}

.contact-icon i {
    font-size: 1.25rem;
    color: var(--color-primary);
}

.contact-item:hover .contact-icon {
    background: var(--gradient-primary);
}

.contact-item:hover .contact-icon i {
    color: white;
}

.contact-item span {
    font-size: 1rem;
    font-weight: 500;
}

/* Contact Form */
.contact-form-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.form-control,
.form-select {
    border: 1px solid #e0e8f0;
    border-radius: var(--radius-md);
    padding: 16px;
    font-family: var(--font-primary);
    transition: all var(--transition-fast);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 153, 219, 0.1);
}

.form-floating>label {
    padding: 16px;
    color: var(--color-text-light);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-navy);
    background-image: url('../photo/footer-background.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 80px 0 0;
    position: relative;
}

/* Dark overlay for better text readability */
.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 34, 73, 0.85);
    z-index: 0;
}

.footer>.container {
    position: relative;
    z-index: 1;
}

.footer .footer-bottom {
    position: relative;
    z-index: 1;
}

.footer-brand {
    display: flex;
    align-items: baseline;
    gap: 4px;
    text-decoration: none;
    margin-bottom: 20px;
}

.footer-brand .brand-alpha {
    color: white;
}

.footer-brand .brand-drones {
    color: var(--color-primary-light);
}

.footer-desc {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin-bottom: 24px;
    line-height: 1.7;
}

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

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all var(--transition-normal);
}

.social-link:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-3px);
}

.footer-title {
    font-size: 1rem;
    font-weight: 700;
    color: white;
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 24px 0;
    margin-top: 60px;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
    margin-bottom: 0;
}

/* ============================================
   RESPONSIVE STYLES
   ============================================ */
@media (max-width: 991.98px) {

    /* Ensure navbar stays fixed on mobile */
    .navbar {
        position: fixed !important;
        top: 40px;
        left: 0;
        right: 0;
        z-index: 1000;
    }

    .navbar.header-hidden {
        top: 0;
    }

    /* Hide top header on mobile if needed - uncomment to hide */
    /* .top-header {
        display: none;
    }
    .navbar {
        top: 0 !important;
    } */

    .navbar-left {
        display: none !important;
    }

    .navbar-nav {
        position: static;
        transform: none;
    }

    .navbar-collapse {
        background: white;
        border-radius: var(--radius-lg);
        padding: 20px;
        margin-top: 16px;
        box-shadow: var(--shadow-lg);
        max-height: 80vh;
        overflow-y: auto;
    }

    .navbar-nav .nav-link::after {
        display: none;
    }

    .navbar-buttons {
        flex-direction: column;
        gap: 10px;
        margin-left: 0;
        margin-top: 16px;
        padding-top: 16px;
        border-top: 1px solid rgba(0, 34, 73, 0.1);
    }

    .navbar-buttons .btn-phone,
    .navbar-buttons .btn-primary-custom,
    .navbar-buttons .btn-contact {
        width: 100%;
        justify-content: center;
        text-align: center;
    }

    .hero-stats-card {
        flex-direction: column;
        gap: 24px;
        padding: 32px;
        margin-top: 40px;
    }

    .stat-divider {
        width: 60px;
        height: 1px;
    }

    .scroll-indicator {
        display: none;
    }

    .about-image-wrapper {
        margin-bottom: 40px;
    }

    .drone-showcase {
        min-height: 300px;
        margin-bottom: 40px;
    }
}

@media (max-width: 767.98px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-tags {
        flex-direction: column;
        gap: 12px;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .btn {
        width: 100%;
    }

    .stats-item {
        flex-direction: column;
        text-align: center;
        padding: 20px 0;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .founders-card {
        padding: 32px 24px;
    }

    .contact-form-card {
        padding: 24px;
    }
}

@media (max-width: 575.98px) {
    .container {
        padding-left: 16px;
        padding-right: 16px;
    }

    .section-tag {
        font-size: 0.75rem;
        padding: 6px 16px;
    }

    .mv-card {
        flex-direction: column;
        text-align: center;
    }

    .spec-item {
        flex-direction: column;
        text-align: center;
    }
}

/* ============================================
   LANGUAGE SELECTOR
   ============================================ */
.language-selector {
    position: relative;
    margin-left: 16px;
}

.language-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: transparent;
    border: 1px solid rgba(0, 34, 73, 0.15);
    color: var(--color-navy);
    font-weight: 500;
    font-size: 0.85rem;
    padding: 8px 14px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-transform: uppercase;
}

.language-btn:hover {
    background: rgba(0, 153, 219, 0.1);
    border-color: var(--color-primary);
}

.language-btn .flag-icon {
    width: 20px;
    height: 14px;
    border-radius: 2px;
    object-fit: cover;
}

.language-btn i {
    font-size: 0.7rem;
    transition: transform var(--transition-fast);
}

.language-selector:hover .language-btn i {
    transform: rotate(180deg);
}

.language-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-normal);
    z-index: 1001;
    overflow: hidden;
}

.language-selector:hover .language-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-dropdown a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--color-text-medium);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    border-bottom: 1px solid rgba(0, 34, 73, 0.05);
}

.language-dropdown a:last-child {
    border-bottom: none;
}

.language-dropdown a:hover {
    background: rgba(0, 153, 219, 0.08);
    color: var(--color-primary);
}

.language-dropdown a.active {
    background: rgba(0, 153, 219, 0.1);
    color: var(--color-primary);
}

.language-dropdown .flag-icon {
    width: 24px;
    height: 16px;
    border-radius: 2px;
    object-fit: cover;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.language-dropdown .lang-name {
    flex: 1;
}

.language-dropdown .lang-code {
    font-size: 0.75rem;
    color: var(--color-text-light);
    text-transform: uppercase;
}

/* Mobile Language Selector */
@media (max-width: 991.98px) {
    .language-selector {
        margin-left: 0;
        margin-top: 16px;
        padding-top: 16px;
        border-top: 1px solid rgba(0, 34, 73, 0.1);
        width: 100%;
    }

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

    .language-dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        margin-top: 8px;
        display: none;
        border: 1px solid rgba(0, 34, 73, 0.1);
    }

    .language-selector.open .language-dropdown {
        display: block;
    }

    .language-selector.open .language-btn i {
        transform: rotate(180deg);
    }
}