/* ===== CSS VARIABLES ===== */
:root {
    /* Colors */
    --color-bg-primary: #0a0e17;
    --color-bg-secondary: #111827;
    --color-bg-tertiary: #1a2234;
    --color-accent-primary: #00d4ff;
    --color-accent-secondary: #1e40af;
    --color-accent-gradient: linear-gradient(135deg, #00d4ff 0%, #1e40af 100%);
    --color-text-primary: #ffffff;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;

    /* Typography */
    --font-family: 'Outfit', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;
    --font-size-6xl: 4.5rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);
    --shadow-glow-strong: 0 0 40px rgba(0, 212, 255, 0.5);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Header height */
    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

button {
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input,
textarea {
    font-family: inherit;
    font-size: inherit;
}

/* ===== UTILITY CLASSES ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section {
    padding: var(--spacing-4xl) 0;
}

.section__title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.section__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.highlight {
    color: var(--color-accent-primary);
    position: relative;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn--primary {
    background: var(--color-accent-gradient);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-glow);
}

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

.btn--primary::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn--primary:hover::after {
    left: 100%;
}

.btn--full {
    width: 100%;
}

/* ===== GRADIENTS ===== */
.gradient-1 {
    background: linear-gradient(135deg, #1e40af 0%, #00d4ff 50%, #0a0e17 100%);
}

.gradient-2 {
    background: linear-gradient(135deg, #0a0e17 0%, #1e40af 50%, #00d4ff 100%);
}

.gradient-3 {
    background: linear-gradient(135deg, #00d4ff 0%, #1e40af 50%, #0a0e17 100%);
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(10, 14, 23, 0.9);
    backdrop-filter: blur(20px);
    z-index: 1000;
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(10, 14, 23, 0.98);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-img {
    height: 45px;
    width: auto;
    border-radius: var(--radius-md);
    object-fit: contain;
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text-primary);
}

.nav__list {
    display: flex;
    gap: var(--spacing-xl);
}

.nav__link {
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-base);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent-primary);
    transition: width var(--transition-base);
}

.nav__link:hover,
.nav__link.active {
    color: var(--color-accent-primary);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

.nav__toggle,
.nav__close {
    display: none;
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    gap: var(--spacing-xs);
    margin-left: var(--spacing-lg);
}

.lang-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
    background: transparent;
    border: 1px solid var(--color-text-muted);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    cursor: pointer;
}

.lang-btn:hover {
    color: var(--color-accent-primary);
    border-color: var(--color-accent-primary);
}

.lang-btn.active {
    background: var(--color-accent-gradient);
    color: var(--color-text-primary);
    border-color: transparent;
    box-shadow: var(--shadow-glow);
}

/* ===== HERO SLIDER ===== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
}

.hero__slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero__slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1s ease, visibility 1s ease;
}

.hero__slide.active {
    opacity: 1;
    visibility: visible;
}

.hero__bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero__bg--photo {
    background: var(--color-bg-primary);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 10%;
}

.hero__photo-container {
    position: relative;
    width: 400px;
    height: 500px;
}

.hero__photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-lg);
    filter: grayscale(30%);
}

.hero__eye-focus {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 100px;
    background: radial-gradient(ellipse, rgba(0, 212, 255, 0.3) 0%, transparent 70%);
    pointer-events: none;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.5;
        transform: translate(-50%, -50%) scale(1);
    }

    50% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

.hero__bg--gradient {
    opacity: 0.8;
}

/* Video Background */
.hero__bg--video {
    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__video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right,
            rgba(10, 15, 28, 0.92) 0%,
            rgba(10, 15, 28, 0.75) 40%,
            rgba(10, 15, 28, 0.5) 100%);
}

.hero__content {
    position: relative;
    z-index: 10;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.hero__text {
    max-width: 600px;
    flex-shrink: 0;
}

.hero__content .hero__photo-container {
    position: relative;
    width: 350px;
    height: 450px;
    flex-shrink: 0;
}

.hero__content .hero__photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.hero__title {
    font-size: var(--font-size-6xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    animation: slideUp 0.8s ease;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
}

.hero__subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    animation: slideUp 0.8s ease 0.2s backwards;
}

.hero__text .btn {
    animation: slideUp 0.8s ease 0.4s backwards;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

/* Hero Dots */
.hero__dots {
    position: absolute;
    bottom: var(--spacing-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-sm);
    z-index: 20;
}

.hero__dot {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    background: var(--color-text-muted);
    transition: all var(--transition-base);
}

.hero__dot.active {
    background: var(--color-accent-primary);
    box-shadow: var(--shadow-glow);
    width: 36px;
}

/* Hero Arrows */
.hero__arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    color: var(--color-text-primary);
    font-size: var(--font-size-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    z-index: 20;
}

.hero__arrow:hover {
    background: var(--color-accent-primary);
    box-shadow: var(--shadow-glow);
}

.hero__arrow--prev {
    left: var(--spacing-xl);
}

.hero__arrow--next {
    right: var(--spacing-xl);
}

/* ===== SERVICES ===== */
.services {
    background: var(--color-bg-secondary);
    position: relative;
    overflow: hidden;
}

/* Video Background */
.services__video-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

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

.services__video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 14, 23, 0.80);
}

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

/* DPF Comparison Table */
.dpf-comparison {
    margin-bottom: var(--spacing-3xl);
}

.dpf-comparison__title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.dpf-comparison__table {
    background: rgba(10, 14, 23, 0.6);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

/* Hide mobile version on desktop */
.dpf-comparison__mobile {
    display: none;
}

.dpf-comparison__header,
.dpf-comparison__row {
    display: grid;
    grid-template-columns: 1.2fr 1.5fr 1.5fr;
}

.dpf-comparison__header {
    background: rgba(0, 212, 255, 0.1);
    font-weight: 700;
}

.dpf-comparison__col {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.dpf-comparison__col--feature {
    font-weight: 600;
    color: var(--color-text-primary);
}

.dpf-comparison__col--cloud {
    color: #ff6b6b;
    background: rgba(255, 107, 107, 0.05);
}

.dpf-comparison__col--dpf {
    color: #00d4ff;
    background: rgba(0, 212, 255, 0.08);
}

.dpf-comparison__row:last-child .dpf-comparison__col {
    border-bottom: none;
}

.dpf-comparison__row:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* DPF Guarantees */
.dpf-guarantees {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.dpf-guarantee {
    background: rgba(10, 14, 23, 0.6);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    text-align: center;
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: all var(--transition-base);
}

.dpf-guarantee:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 212, 255, 0.5);
    box-shadow: var(--shadow-glow);
}

.dpf-guarantee__icon {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-md);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.dpf-guarantee__icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

.dpf-guarantee__title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent-primary);
}

.dpf-guarantee__desc {
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-size: var(--font-size-sm);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.service-card {
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    text-align: center;
    transition: all var(--transition-base);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

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

.service-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

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

.service-card__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    background: rgba(0, 212, 255, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.service-card__icon svg {
    width: 40px;
    height: 40px;
    color: var(--color-accent-primary);
}

/* Image-based icons (AI Agent) */
.service-card__icon--image {
    background: rgba(0, 212, 255, 0.1);
    width: 80px;
    height: 80px;
    padding: 10px;
    overflow: hidden;
}

.service-card__icon--image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.service-card:hover .service-card__icon {
    background: var(--color-accent-gradient);
}

.service-card:hover .service-card__icon--image {
    background: transparent;
    transform: scale(1.05);
}

.service-card:hover .service-card__icon svg {
    color: var(--color-text-primary);
}

.service-card__title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.service-card__description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.service-card__link {
    color: var(--color-accent-primary);
    font-weight: 600;
    transition: all var(--transition-base);
}

.service-card__link:hover {
    letter-spacing: 2px;
}

/* Under Development Badge */
.service-card__badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: linear-gradient(135deg, #ff6b35, #f7931e);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
    animation: pulse-badge 2s ease-in-out infinite;
}

@keyframes pulse-badge {

    0%,
    100% {
        transform: scale(1);
        box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
    }

    50% {
        transform: scale(1.05);
        box-shadow: 0 6px 20px rgba(255, 107, 53, 0.6);
    }
}

/* ===== PROJECTS ===== */
.projects__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.project-card {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.project-card__image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.project-card__placeholder {
    width: 100%;
    height: 100%;
    transition: transform var(--transition-slow);
}

.project-card__video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.project-card:hover .project-card__placeholder,
.project-card:hover .project-card__video {
    transform: scale(1.05);
}

.project-card__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: flex-start;
    padding: var(--spacing-lg);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.project-card:hover .project-card__overlay {
    opacity: 1;
}

.project-card__category {
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.project-card__content {
    padding: var(--spacing-xl);
}

.project-card__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.project-card__description {
    color: var(--color-text-secondary);
}

/* ===== ABOUT SECTION ===== */
.about {
    background: var(--color-bg-secondary);
}

.about__content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.about__image {
    position: relative;
}

.about__photo {
    width: 100%;
    border-radius: var(--radius-xl);
    filter: grayscale(20%);
}

.about__image-decoration {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    border: 3px solid var(--color-accent-primary);
    border-radius: var(--radius-xl);
    z-index: -1;
}

/* Interactive Tabs */
.about__tabs {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--color-bg-tertiary);
    padding-bottom: var(--spacing-md);
}

.about__tab {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: 600;
    color: var(--color-text-secondary);
    background: transparent;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

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

.about__tab.active {
    background: var(--color-accent-gradient);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-glow);
}

.about__tab-panel {
    display: none;
    animation: fadeIn 0.5s ease;
}

.about__tab-panel.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

.about__tab-panel h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-xl);
    color: var(--color-accent-primary);
}

/* Skills */
.skills__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.skill {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.skill__name {
    min-width: 120px;
    font-weight: 500;
}

.skill__bar {
    flex: 1;
    height: 10px;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.skill__progress {
    height: 100%;
    width: var(--progress);
    background: var(--color-accent-gradient);
    border-radius: var(--radius-full);
    transition: width 1s ease;
}

/* Timeline */
.timeline {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.timeline__item {
    padding-left: var(--spacing-xl);
    border-left: 2px solid var(--color-accent-primary);
    position: relative;
}

.timeline__item::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 0;
    width: 14px;
    height: 14px;
    background: var(--color-accent-primary);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-glow);
}

.timeline__date {
    display: inline-block;
    background: rgba(0, 212, 255, 0.1);
    color: var(--color-accent-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.timeline__item h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.timeline__item p {
    color: var(--color-text-secondary);
}

/* ===== CONTACT ===== */
.contact__content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-3xl);
}

.contact__info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.contact__card {
    background: var(--color-bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    border: 1px solid var(--color-bg-tertiary);
    transition: all var(--transition-base);
}

.contact__card:hover {
    border-color: var(--color-accent-primary);
    box-shadow: var(--shadow-glow);
}

.contact__card-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    background: rgba(0, 212, 255, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact__card-icon svg {
    width: 30px;
    height: 30px;
    color: var(--color-accent-primary);
}

.contact__card h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.contact__card p {
    color: var(--color-text-secondary);
}

/* Contact Form */
.contact__form {
    background: var(--color-bg-secondary);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
}

.form__group {
    margin-bottom: var(--spacing-lg);
}

.form__group input,
.form__group textarea {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg-tertiary);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    transition: all var(--transition-base);
}

.form__group input::placeholder,
.form__group textarea::placeholder {
    color: var(--color-text-muted);
}

.form__group input:focus,
.form__group textarea:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    box-shadow: var(--shadow-glow);
}

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

/* ===== FOOTER ===== */
.footer {
    background: var(--color-bg-secondary);
    padding: var(--spacing-2xl) 0;
    border-top: 1px solid var(--color-bg-tertiary);
}

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

.footer__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    font-size: var(--font-size-lg);
}

.footer__logo-img {
    height: 35px;
    border-radius: var(--radius-sm);
    object-fit: contain;
}

.footer__copyright {
    color: var(--color-text-muted);
}

/* ===== FIXED WIDGETS ===== */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 50px;
    height: 50px;
    background: var(--color-accent-gradient);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-glow);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
}

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

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow-strong);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
    color: var(--color-text-primary);
}

.chat-widget {
    position: fixed;
    bottom: calc(var(--spacing-xl) + 70px);
    right: var(--spacing-xl);
    width: 60px;
    height: 60px;
    background: var(--color-accent-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    z-index: 100;
    transition: all var(--transition-base);
}

.chat-widget:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-glow-strong);
}

.chat-widget svg {
    width: 28px;
    height: 28px;
    color: var(--color-bg-primary);
}

.chat-widget__tooltip {
    position: absolute;
    right: 70px;
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.chat-widget:hover .chat-widget__tooltip {
    opacity: 1;
    visibility: visible;
}

/* ===== SCROLL REVEAL ANIMATION ===== */
.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

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

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

    .about__image {
        max-width: 400px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-6xl: 2.5rem;
        --font-size-4xl: 2rem;
    }

    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: var(--color-bg-secondary);
        padding: var(--spacing-4xl) var(--spacing-xl);
        transition: right var(--transition-base);
        z-index: 1001;
    }

    .nav__menu.active {
        right: 0;
    }

    .nav__list {
        flex-direction: column;
        gap: var(--spacing-xl);
    }

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

    .nav__toggle,
    .nav__close {
        display: flex;
        flex-direction: column;
        gap: 5px;
        z-index: 1002;
    }

    .nav__toggle span {
        width: 25px;
        height: 3px;
        background: var(--color-text-primary);
        border-radius: 2px;
    }

    .nav__close {
        position: absolute;
        top: var(--spacing-xl);
        right: var(--spacing-xl);
        font-size: 2rem;
        color: var(--color-text-primary);
    }

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

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

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

    .hero__photo-container {
        display: none;
    }

    .hero__text {
        text-align: center;
        max-width: 100%;
    }

    .footer__content {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }

    .about__tabs {
        flex-wrap: wrap;
        justify-content: center;
    }

    /* === DPF Guarantees - Horizontal Swipe === */
    .dpf-guarantees {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        gap: var(--spacing-lg);
        padding-bottom: var(--spacing-lg);
        margin-left: calc(-1 * var(--spacing-lg));
        margin-right: calc(-1 * var(--spacing-lg));
        padding-left: var(--spacing-lg);
        padding-right: var(--spacing-lg);
    }

    .dpf-guarantees::-webkit-scrollbar {
        height: 6px;
    }

    .dpf-guarantees::-webkit-scrollbar-track {
        background: var(--color-bg-tertiary);
        border-radius: 10px;
    }

    .dpf-guarantees::-webkit-scrollbar-thumb {
        background: var(--color-accent-primary);
        border-radius: 10px;
    }

    .dpf-guarantee {
        flex: 0 0 85%;
        scroll-snap-align: center;
        min-width: 280px;
    }

    /* === Comparison Table - Stacked Cards === */
    .dpf-comparison__table {
        display: none;
    }

    .dpf-comparison {
        position: relative;
    }

    .dpf-comparison__mobile {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .dpf-comparison__card {
        background: rgba(10, 14, 23, 0.8);
        border-radius: var(--radius-xl);
        padding: var(--spacing-xl);
        border: 1px solid rgba(0, 212, 255, 0.2);
    }

    .dpf-comparison__card-title {
        font-size: var(--font-size-lg);
        font-weight: 700;
        color: var(--color-text-primary);
        margin-bottom: var(--spacing-md);
        padding-bottom: var(--spacing-sm);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .dpf-comparison__card-row {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-sm);
        margin-bottom: var(--spacing-md);
    }

    .dpf-comparison__card-row:last-child {
        margin-bottom: 0;
    }

    .dpf-comparison__card-label {
        font-size: var(--font-size-sm);
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }

    .dpf-comparison__card-label--cloud {
        color: #ff8a8a;
    }

    .dpf-comparison__card-label--dpf {
        color: #00d4ff;
    }

    .dpf-comparison__card-value {
        font-size: var(--font-size-base);
        line-height: 1.5;
        padding: var(--spacing-sm) var(--spacing-md);
        border-radius: var(--radius-md);
    }

    .dpf-comparison__card-value--cloud {
        background: rgba(255, 107, 107, 0.15);
        color: #ff8a8a;
        border-left: 3px solid #ff6b6b;
    }

    .dpf-comparison__card-value--dpf {
        background: rgba(0, 212, 255, 0.15);
        color: #7eeaff;
        border-left: 3px solid #00d4ff;
    }
}


/* ===== SERVICE MODAL ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
}

.modal__content {
    position: relative;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-3xl);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid rgba(0, 212, 255, 0.2);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    transform: translateY(50px) scale(0.9);
    transition: transform var(--transition-base);
}

.modal.active .modal__content {
    transform: translateY(0) scale(1);
}

.modal__close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 40px;
    height: 40px;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-2xl);
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    cursor: pointer;
}

.modal__close:hover {
    background: var(--color-accent-primary);
    color: var(--color-text-primary);
}

.modal__icon {
    width: 80px;
    height: 80px;
    background: var(--color-accent-gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-xl);
}

.modal__icon svg {
    width: 40px;
    height: 40px;
    color: var(--color-text-primary);
}

.modal__icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--radius-lg);
}

.modal__title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--color-accent-primary);
}

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

.modal__features {
    margin-bottom: var(--spacing-2xl);
}

.modal__features li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-xl);
    position: relative;
    color: var(--color-text-secondary);
}

.modal__features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-accent-primary);
    font-weight: bold;
}

.modal__cta {
    display: inline-flex;
}

/* Modal responsive */
@media (max-width: 600px) {
    .modal__content {
        padding: var(--spacing-xl);
    }

    .modal__title {
        font-size: var(--font-size-2xl);
    }
}