/* ===== CSS Variables & Theme System ===== */
:root {
    --font-family: 'Prompt', sans-serif;
    --border-radius: 16px;

    /* Dark Theme (Default) */
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-card: #111111;
    --bg-card-hover: #1a1a1a;
    --bg-hero: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --border-color: #222222;
    --accent-primary: #ffffff;
    --accent-color: #f5a623;
    --gradient-start: #f5a623;
    --gradient-end: #ff6b6b;
    --shadow-color: rgba(255, 255, 255, 0.05);
    --glow-color: rgba(255, 255, 255, 0.1);
}

[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-card: #ffffff;
    --bg-card-hover: #f0f0f0;
    --bg-hero: #f0f0f0;
    --text-primary: #0a0a0a;
    --text-secondary: #555555;
    --text-muted: #888888;
    --border-color: #e0e0e0;
    --accent-primary: #000000;
    --accent-color: #f5a623;
    --gradient-start: #f5a623;
    --gradient-end: #ff6b6b;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --glow-color: rgba(0, 0, 0, 0.05);
}

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

html {
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
    cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 32 32'%3E%3Cpath d='M5 2 L5 26 L11 20 L17 30 L21 28 L15 18 L24 18 Z' fill='%23f5a623' stroke='%23000' stroke-width='1.5'/%3E%3C/svg%3E") 5 2, auto;
}

a,
button,
.btn,
.service-panel,
.process-panel,
.case-card,
.testimonial-card,
.tech-item,
.social-link,
input,
select,
textarea {
    cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 32 32'%3E%3Cpath d='M5 2 L5 26 L11 20 L17 30 L21 28 L15 18 L24 18 Z' fill='%23ffffff' stroke='%23000' stroke-width='1.5'/%3E%3C/svg%3E") 5 2, pointer;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

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

/* ===== Typography ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.1;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 24px;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-hero);
    border-radius: var(--border-radius);
    padding: 16px 24px;
}

.nav-brand {
    font-size: 1.5rem;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 300;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-icon {
    flex-shrink: 0;
}

.nav-brand .brand-bold {
    font-weight: 700;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 48px;
    margin-left: auto;
    margin-right: 48px;
}

.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
}

.nav-links a:hover {
    color: var(--text-primary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.theme-toggle {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    width: 44px;
    height: 44px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    color: var(--text-primary);
}

.theme-toggle:hover {
    border-color: var(--text-primary);
    background: var(--bg-card);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
}

.sun-icon {
    display: none;
}

.moon-icon {
    display: flex;
}

[data-theme="light"] .sun-icon {
    display: flex;
}

[data-theme="light"] .moon-icon {
    display: none;
}

.cta-btn {
    background: var(--accent-color);
    color: #000000;
    border: 2px solid var(--accent-color);
    padding: 12px 26px;
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.cta-btn:hover {
    border-color: var(--text-primary);
    box-shadow: 0 0 0 1px var(--text-primary);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background: var(--text-primary);
    color: var(--bg-primary);
    border: 2px solid var(--text-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    background: transparent;
    color: var(--text-primary);
    box-shadow: 0 0 0 1px var(--text-primary);
}

.btn-full {
    width: 100%;
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    padding: 120px 24px 40px;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    background: var(--bg-hero);
    border-radius: var(--border-radius);
    min-height: calc(100vh - 160px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 80px 100px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    z-index: 2;
}

.hero-title {
    font-size: clamp(48px, 7vw, 90px);
    font-weight: 600;
    line-height: 1.05;
    letter-spacing: -2px;
}

.hero-line {
    display: block;
}

.italic-accent {
    font-style: italic;
    font-weight: 400;
    color: var(--accent-color);
}

.highlight-text {
    color: var(--text-muted);
    font-weight: 400;
}

.hero-visual {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    position: relative;
    min-height: 500px;
}

.hero-illustration {
    width: 100%;
    max-width: 500px;
    height: auto;
    margin-right: -40px;
    pointer-events: none;
}

.hero-illustration path[stroke="#FFA200"] {
    stroke-dasharray: 8 4;
    animation: flowLine 1.5s linear infinite;
}

@keyframes flowLine {
    0% {
        stroke-dashoffset: 0;
    }

    100% {
        stroke-dashoffset: -24;
    }
}

/* ===== Section Styles ===== */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(32px, 5vw, 52px);
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

/* ===== Services Section ===== */
.services {
    background: var(--bg-primary);
    padding: 80px 24px;
}

.services .container {
    max-width: 1400px;
    padding: 0;
}

.section-header-left {
    margin-bottom: 40px;
    padding-left: 0;
}

.section-header-left .section-tag {
    text-align: left;
}

/* ---- Split Layout ---- */
.services-split {
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: 0;
    min-height: 540px;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
}

/* ---- Service List (left) ---- */
.services-list {
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border-color);
}

.service-item {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 28px 36px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    position: relative;
    transition: background 0.3s ease;
    overflow: hidden;
}

.service-item:last-child {
    border-bottom: none;
}

.service-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--accent-color);
    transform: scaleY(0);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: bottom;
}

.service-item:hover::before,
.service-item.active::before {
    transform: scaleY(1);
    transform-origin: top;
}

.service-item:hover,
.service-item.active {
    background: var(--bg-card);
}

.service-item.active .svc-num {
    color: var(--accent-color);
}

.service-item.active .svc-name {
    color: var(--text-primary);
}

.service-item.active .svc-arrow {
    opacity: 1;
    transform: translateX(0);
}

.svc-num {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 1px;
    min-width: 28px;
    transition: color 0.3s ease;
    font-variant-numeric: tabular-nums;
}

.svc-main {
    flex: 1;
}

.svc-name {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: -0.3px;
    margin-bottom: 4px;
    transition: color 0.3s ease;
    line-height: 1.2;
}

.svc-name-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 4px;
}

.svc-name-row .svc-name {
    margin-bottom: 0;
}

.svc-row-icon {
    font-size: 15px;
    color: var(--text-muted);
    transition: color 0.3s ease;
    flex-shrink: 0;
}

.service-item:hover .svc-row-icon,
.service-item.active .svc-row-icon,
.process-item:hover .svc-row-icon,
.process-item.active .svc-row-icon {
    color: var(--text-primary);
}

.service-item:hover .svc-name {
    color: var(--text-primary);
}

.svc-short {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 400;
    margin: 0;
}

.svc-arrow {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
    font-size: 14px;
    opacity: 0;
    transform: translateX(-8px);
    transition: all 0.35s ease;
    flex-shrink: 0;
}

.service-item:hover .svc-arrow {
    opacity: 1;
    transform: translateX(0);
    border-color: var(--accent-color);
}

/* ---- Detail Panel (right) ---- */
.services-detail {
    background: var(--bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 52px 48px;
    position: relative;
    overflow: hidden;
}

.services-detail::before {
    content: '';
    position: absolute;
    top: -60px;
    right: -60px;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(245, 166, 35, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.svc-detail-inner {
    width: 100%;
    animation: svcFadeIn 0.4s ease;
}

@keyframes svcFadeIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

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

.svc-detail-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.svc-detail-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: #ffffff;
    flex-shrink: 0;
}

.svc-detail-title {
    font-size: 30px;
    font-weight: 700;
    letter-spacing: -0.8px;
    line-height: 1.15;
    margin: 0;
}

.svc-detail-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 28px;
}

.svc-detail-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 28px;
}

.svc-detail-tags span {
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.3px;
}

.svc-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 13px 26px;
    background: var(--accent-color);
    color: #000;
    font-size: 14px;
    font-weight: 700;
    border-radius: var(--border-radius);
    text-decoration: none;
    letter-spacing: 0.3px;
    transition: all 0.3s ease;
}

.svc-cta-btn:hover {
    background: #fff;
    color: #000;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(245, 166, 35, 0.25);
}

/* ---- Responsive ---- */
@media (max-width: 900px) {

    .services-split,
    .process-split {
        grid-template-columns: 1fr;
    }

    .services-list,
    .process-list {
        border-right: none;
    }

    .services-detail {
        display: none;
    }

    .service-item,
    .process-item {
        padding: 22px 24px;
    }

    .svc-name {
        font-size: 18px;
    }
}

/* ===== Process Section ===== */
.process {
    background: var(--bg-primary);
    padding: 80px 24px;
}

.process .container {
    max-width: 1400px;
    padding: 0;
}

/* Re-use .services-split layout, mirror under .process-split */
.process-split {
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: 0;
    min-height: 440px;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
}

.process-list {
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border-color);
}

.process-item {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 28px 36px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    position: relative;
    transition: background 0.3s ease;
    overflow: hidden;
}

.process-item:last-child {
    border-bottom: none;
}

.process-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--accent-color);
    transform: scaleY(0);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: bottom;
}

.process-item:hover::before,
.process-item.active::before {
    transform: scaleY(1);
    transform-origin: top;
}

.process-item:hover,
.process-item.active {
    background: var(--bg-card);
}

.process-item.active .svc-num {
    color: var(--accent-color);
}

.process-item.active .svc-name {
    color: var(--text-primary);
}

.process-item:hover .svc-name {
    color: var(--text-primary);
}


/* ===== Case Studies Section ===== */
.case-studies {
    background: var(--bg-primary);
    padding: 80px 24px;
}

.case-studies .container {
    max-width: 1400px;
    padding: 0;
}

.section-title-left {
    font-size: clamp(32px, 5vw, 52px);
    margin-bottom: 40px;
    letter-spacing: -1px;
    text-align: left;
}

.case-single {
    max-width: 600px;
    margin: 0;
}

.case-grid-two {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
    align-items: start;
}

@media (max-width: 900px) {
    .case-grid-two {
        grid-template-columns: 1fr;
    }
}

.case-image--signalyze {
    background: #060c14 !important;
    padding: 0;
}

.signalyze-visual {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 32px;
}

.case-card {
    display: block;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: all 0.3s ease;
    text-decoration: none;
    max-width: 400px;
}

.case-card:hover {
    border-color: var(--text-primary);
    box-shadow: 0 0 0 1px var(--text-primary);
}

.case-image {
    height: 200px;
    background: linear-gradient(135deg, #FFCD52, #FF6F69);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.case-image-content {
    font-size: 64px;
    color: #1a1a1a;
}

.placeholder-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
    font-size: 14px;
}

.blink-bars {
    display: flex;
    gap: 8px;
}

.blink-bars .bar {
    width: 12px;
    height: 32px;
    background: var(--accent-color);
    border-radius: 3px;
    animation: blink 1.2s ease-in-out infinite;
}

.blink-bars .bar:nth-child(2) {
    animation-delay: 0.3s;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.3;
    }
}

.case-content {
    padding: 28px;
}

.case-category {
    font-size: 11px;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 600;
}

.case-content h3 {
    font-size: 22px;
    margin: 10px 0 12px;
}

.case-content p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 16px;
    line-height: 1.7;
}

.case-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.case-link:hover {
    color: var(--accent-color);
}

/* Case Study Full Layout */
.case-card-full {
    padding: 48px;
    max-width: 900px;
}

.case-header {
    margin-bottom: 32px;
}

.case-header h3 {
    font-size: 36px;
    margin: 8px 0 4px;
    letter-spacing: -1px;
}

.case-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin: 0;
}

.case-meta {
    display: flex;
    gap: 40px;
    padding: 24px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.meta-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.meta-value {
    font-size: 15px;
    color: var(--text-primary);
    font-weight: 500;
}

.case-section {
    margin-bottom: 32px;
}

.case-section h4 {
    font-size: 18px;
    color: var(--accent-color);
    margin-bottom: 12px;
    font-weight: 600;
}

.case-section p {
    color: var(--text-primary);
    font-size: 15px;
    line-height: 1.8;
    margin: 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.feature-item {
    background: var(--bg-secondary);
    padding: 20px;
    border-radius: var(--border-radius);
}

.feature-item strong {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-size: 15px;
}

.feature-item p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

.case-tech {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.tech-tag {
    padding: 8px 16px;
    background: var(--accent-color);
    color: #1a1a1a;
    font-size: 13px;
    font-weight: 600;
    border-radius: var(--border-radius);
}

@media (max-width: 768px) {
    .case-card-full {
        padding: 28px;
    }

    .case-header h3 {
        font-size: 28px;
    }

    .case-meta {
        gap: 24px;
    }

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

/* Case Study Modal */
.case-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 10000;
    overflow-y: auto;
    padding: 40px 20px;
}

.case-modal.active {
    display: block;
}

.case-modal-content {
    max-width: 900px;
    margin: 0 auto;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

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

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

.case-modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: var(--bg-secondary);
    border: none;
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
}

.case-modal-close:hover {
    background: var(--accent-color);
    color: #1a1a1a;
}

.case-modal-body {
    padding: 48px;
}

@media (max-width: 768px) {
    .case-modal {
        padding: 20px 10px;
    }

    .case-modal-body {
        padding: 28px;
    }
}

/* ===== Testimonials Section ===== */
.testimonials {
    background: var(--bg-primary);
    padding: 80px 24px;
}

.testimonials .container {
    max-width: 1400px;
    padding: 0;
}

.testimonial-single {
    max-width: 600px;
    margin: 0;
}

.testimonial-card {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 48px;
    text-align: center;
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    border-color: var(--text-primary);
    box-shadow: 0 0 0 1px var(--text-primary);
}

.testimonial-card.featured {
    border-color: var(--border-color);
}

.testimonial-quote {
    margin-bottom: 24px;
}

.quote-bars {
    display: flex;
    justify-content: center;
    gap: 5px;
    height: 24px;
    align-items: center;
}

.quote-bar {
    width: 6px;
    height: 20px;
    background: var(--accent-color);
    border-radius: 2px;
    animation: eyeBlink 4s ease-in-out infinite;
}

.quote-bar:nth-child(2) {
    animation-delay: 0.05s;
}

@keyframes eyeBlink {

    0%,
    90%,
    100% {
        transform: scaleY(1);
    }

    95% {
        transform: scaleY(0.1);
    }
}

.testimonial-text {
    font-size: 20px;
    color: var(--text-primary);
    margin-bottom: 32px;
    line-height: 1.8;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.author-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--bg-secondary);
    overflow: hidden;
}

.author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.placeholder-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
}

.author-info {
    text-align: left;
}

.author-info h4 {
    font-size: 16px;
    font-weight: 600;
    color: white;
}

.author-info span {
    font-size: 13px;
    color: white;
}

/* ===== About Section ===== */
.about {
    background: var(--bg-secondary);
    padding: 80px 24px;
}

.about .container {
    max-width: 1400px;
    padding: 0;
}

.about .section-title-left {
    font-size: clamp(28px, 4vw, 42px);
    margin-bottom: 40px;
    max-width: 800px;
}

.about-content-text {
    max-width: 700px;
}

.about-content-text p {
    color: var(--text-primary);
    font-size: 17px;
    line-height: 1.9;
    margin-bottom: 20px;
}

.stat-number {
    display: block;
    font-size: 48px;
    font-weight: 700;
    color: var(--accent-color);
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
}

/* ===== Tech Stack Section ===== */
.tech-stack {
    overflow: hidden;
    padding: 80px 24px;
    background: var(--bg-primary);
}

.tech-stack .container {
    max-width: 1400px;
    padding: 0;
}

.tech-marquee {
    margin-top: 40px;
    overflow: hidden;
    position: relative;
}

.tech-marquee::before,
.tech-marquee::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 150px;
    z-index: 1;
}

.tech-marquee::before {
    left: 0;
    background: linear-gradient(90deg, var(--bg-primary), transparent);
}

.tech-marquee::after {
    right: 0;
    background: linear-gradient(90deg, transparent, var(--bg-primary));
}

.tech-track {
    display: flex;
    gap: 24px;
    animation: marquee 25s linear infinite;
}

@keyframes marquee {
    0% {
        transform: translateX(0);
    }

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

.tech-item {
    flex-shrink: 0;
    padding: 14px 28px;
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 500;
    color: #1a1a1a;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
}

.tech-item:nth-child(6n+1) {
    background: #FF6F69;
}

.tech-item:nth-child(6n+2) {
    background: #FFCD52;
}

.tech-item:nth-child(6n+3) {
    background: #94D9B0;
}

.tech-item:nth-child(6n+4) {
    background: #8B9FDE;
}

.tech-item:nth-child(6n+5) {
    background: #FF9F7A;
}

.tech-item:nth-child(6n+6) {
    background: #C4A6E8;
}

.tech-item i {
    font-size: 18px;
}

.tech-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

/* ===== Contact Section ===== */
.contact {
    background: var(--bg-secondary);
    padding: 80px 24px;
}

.contact .container {
    max-width: 1400px;
    padding: 0;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
    margin-top: 40px;
}

.contact-info>p {
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 16px;
}

.contact-details {
    margin-bottom: 32px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    color: var(--text-secondary);
    font-size: 15px;
}

.contact-item:first-child {
    color: var(--text-primary);
}

.contact-icon {
    font-size: 20px;
}

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

.contact-map {
    margin-top: 24px;
    margin-bottom: 32px;
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

.contact-map:hover {
    border-color: var(--text-primary);
    box-shadow: 0 0 0 1px var(--text-primary);
}

.social-link {
    width: 48px;
    height: 48px;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    font-size: 18px;
}

.social-link:hover {
    border-color: var(--text-primary);
    box-shadow: 0 0 0 1px var(--text-primary);
}

.contact-form {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 48px;
    transition: all 0.3s ease;
}

.contact-form:hover {
    border-color: var(--text-primary);
    box-shadow: 0 0 0 1px var(--text-primary);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: 14px;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--text-primary);
    box-shadow: 0 0 0 1px var(--text-primary);
}

.form-group select {
    appearance: none;
    cursor: pointer;
}

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

.form-success {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-weight: 500;
    text-align: center;
}

.form-success i {
    font-size: 48px;
}

.form-success p {
    font-size: 18px;
}

.contact-form {
    position: relative;
}

#submitBtn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-loading {
    display: none;
    align-items: center;
    gap: 8px;
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-primary);
    padding: 60px 0 30px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 20px;
}

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

.footer-brand p {
    color: var(--text-muted);
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 16px;
}

.footer-link {
    font-size: 14px;
    color: var(--text-secondary);
    padding: 10px 20px;
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}

.footer-link:hover {
    color: var(--text-primary);
    border-color: var(--text-primary);
    box-shadow: 0 0 0 1px var(--text-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    font-size: 13px;
    color: var(--text-muted);
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .hero-container {
        flex-direction: column;
        text-align: center;
        padding: 60px 40px;
    }

    .hero-visual {
        order: 2;
        min-height: 300px;
        justify-content: center;
        margin-top: 32px;
    }

    .hero-illustration {
        margin-right: 0;
        max-width: 420px;
    }

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

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

    .contact-info .section-tag,
    .contact-info .section-title,
    .contact-info>p {
        text-align: center;
    }

    .contact-details {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .social-links {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 12px 16px;
    }

    .nav-container {
        padding: 8px 8px 8px 16px;
    }

    .nav-links {
        display: none;
    }

    .cta-btn {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        padding: 100px 16px 40px;
    }

    .hero-container {
        padding: 40px 24px;
        border-radius: var(--border-radius);
    }

    .hero-title {
        font-size: 48px;
    }

    .hero-visual {
        min-height: 220px;
        width: 100%;
        justify-content: center;
        align-items: center;
        margin-top: 40px;
    }

    .hero-illustration {
        margin-right: 0;
        max-width: 280px;
        width: 100%;
    }

    .phone-mockup {
        width: 200px;
        height: 400px;
    }

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

    .about-stats {
        flex-direction: column;
        gap: 32px;
    }

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

    .footer-content {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }

    .footer-brand {
        flex-direction: column;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 16px;
    }

    .contact-form {
        padding: 32px 24px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 36px;
    }

    .section-title {
        font-size: 28px;
    }

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

    .testimonial-text {
        font-size: 16px;
    }
}

/* ===== Animations ===== */
.nav-links.active {
    display: flex;
    position: absolute;
    top: calc(100% + 10px);
    left: 16px;
    right: 16px;
    flex-direction: column;
    background: var(--bg-card);
    padding: 24px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    gap: 16px;
}

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

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

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