/* ═══════════════════════════════════════════
   TINSHED SOFTWARE — Main Stylesheet
   ═══════════════════════════════════════════ */

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #60a5fa;
    --accent: #06b6d4;
    --accent-glow: rgba(6, 182, 212, 0.25);
    --bg: #0f172a;
    --bg-alt: #1e293b;
    --bg-card: #1e293b;
    --bg-card-hover: #263548;
    --surface: rgba(30, 41, 59, 0.7);
    --text: #f1f5f9;
    --text-dim: #94a3b8;
    --text-muted: #64748b;
    --border: rgba(148, 163, 184, 0.1);
    --border-hover: rgba(59, 130, 246, 0.3);
    --gradient-primary: linear-gradient(135deg, var(--primary), var(--accent));
    --gradient-bg: linear-gradient(135deg, #0f172a 0%, #1a1a3e 50%, #0f172a 100%);
    --radius: 12px;
    --radius-lg: 20px;
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.3), 0 2px 4px -2px rgba(0,0,0,0.2);
    --shadow-lg: 0 20px 50px -12px rgba(0,0,0,0.5);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

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

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ═══════════ UTILITIES ═══════════ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 6rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent);
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2);
    padding: 0.4rem 1rem;
    border-radius: 999px;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

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

/* ═══════════ BUTTONS ═══════════ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 2rem;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    border-radius: 10px;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition);
    border: none;
    outline: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary-light);
    background: rgba(59, 130, 246, 0.05);
}

/* ═══════════ NAVIGATION ═══════════ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: all var(--transition);
}

.nav.scrolled {
    background: rgba(15, 23, 42, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.nav-logo-img {
    height: 38px;
    width: auto;
    object-fit: contain;
}

.nav-logo-text {
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: 3px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 0.5rem;
}

.nav-link {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text);
    background: rgba(255, 255, 255, 0.05);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all var(--transition);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ═══════════ HERO ═══════════ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 0 1.5rem 4rem;
    overflow: hidden;
}

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

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(15, 23, 42, 0.3) 0%,
        rgba(15, 23, 42, 0.5) 40%,
        rgba(15, 23, 42, 0.85) 65%,
        rgba(15, 23, 42, 1) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
}

.hero-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--accent);
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2);
    padding: 0.5rem 1.5rem;
    border-radius: 999px;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.08;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

.hero-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-dim);
    max-width: 580px;
    margin: 0 auto 2rem;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

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

.hero-stat-number {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text);
    font-family: var(--font-mono);
}

.hero-stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-top: 0.2rem;
}

.hero-stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

/* ═══════════ SERVICES ═══════════ */
.services {
    background: var(--bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition);
}

.service-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    width: 48px;
    height: 48px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    color: var(--primary-light);
}

.service-icon svg {
    width: 24px;
    height: 24px;
}

.service-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.service-desc {
    font-size: 0.9rem;
    color: var(--text-dim);
    line-height: 1.65;
    margin-bottom: 1.25rem;
}

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

.service-tags span {
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    background: rgba(148, 163, 184, 0.08);
    border: 1px solid rgba(148, 163, 184, 0.1);
    padding: 0.25rem 0.65rem;
    border-radius: 6px;
}

/* ═══════════ ABOUT ═══════════ */
.about {
    background: var(--gradient-bg);
}

/* ═══════════ WHAT WE DELIVER ═══════════ */
.deliver {
    background: var(--bg);
    overflow: hidden;
}

.deliver-highlight {
    display: flex;
    align-items: center;
    gap: 2rem;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(6, 182, 212, 0.08));
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    margin-bottom: 3rem;
}

.deliver-highlight-icon {
    width: 64px;
    height: 64px;
    min-width: 64px;
    background: var(--gradient-primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.deliver-highlight-icon svg {
    width: 32px;
    height: 32px;
}

.deliver-highlight-content h3 {
    font-size: 1.35rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.deliver-highlight-content p {
    color: var(--text-dim);
    font-size: 1rem;
    line-height: 1.7;
}

.deliver-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.deliver-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    transition: all var(--transition);
    position: relative;
}

.deliver-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.deliver-card-icon {
    font-size: 2.2rem;
    margin-bottom: 1rem;
    line-height: 1;
}

.deliver-card h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
}

.deliver-card p {
    font-size: 0.88rem;
    color: var(--text-dim);
    line-height: 1.6;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-content .section-tag {
    display: inline-block;
    margin-bottom: 1rem;
}

.about-content .section-title {
    text-align: left;
    margin-bottom: 1.5rem;
}

.about-text {
    color: var(--text-dim);
    margin-bottom: 1rem;
    font-size: 1rem;
    line-height: 1.7;
}

.about-features {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.about-feature {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.about-feature-icon {
    width: 28px;
    height: 28px;
    min-width: 28px;
    background: rgba(6, 182, 212, 0.15);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    margin-top: 2px;
}

.about-feature-icon svg {
    width: 16px;
    height: 16px;
}

.about-feature strong {
    display: block;
    font-size: 0.95rem;
    margin-bottom: 0.15rem;
}

.about-feature p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* About visual cards */
.about-visual {
    display: flex;
    justify-content: center;
}

.about-card-stack {
    position: relative;
    width: 280px;
    height: 340px;
}

.about-card {
    position: absolute;
    width: 240px;
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.about-card-1 {
    top: 0;
    left: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(59, 130, 246, 0.05));
    border-color: rgba(59, 130, 246, 0.2);
    z-index: 3;
    transform: rotate(-3deg);
}

.about-card-2 {
    top: 60px;
    left: 50px;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.15), rgba(6, 182, 212, 0.05));
    border-color: rgba(6, 182, 212, 0.2);
    z-index: 2;
    transform: rotate(2deg);
}

.about-card-3 {
    top: 120px;
    left: 20px;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(139, 92, 246, 0.05));
    border-color: rgba(139, 92, 246, 0.2);
    z-index: 1;
    transform: rotate(-1deg);
}

.about-card:hover {
    transform: rotate(0deg) translateY(-4px);
    z-index: 10;
}

.about-card-number {
    font-size: 2.5rem;
    font-weight: 900;
    font-family: var(--font-mono);
    margin-bottom: 0.4rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-card-label {
    font-size: 0.8rem;
    color: var(--text-dim);
    letter-spacing: 1px;
    text-transform: uppercase;
    font-weight: 600;
}

/* ═══════════ TECH STACK MARQUEE ═══════════ */
.tech-stack {
    background: var(--bg);
    padding: 4rem 0;
    overflow: hidden;
}

.tech-marquee {
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent, white 10%, white 90%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, white 10%, white 90%, transparent);
}

.tech-marquee-track {
    display: flex;
    gap: 1rem;
    animation: marquee 30s linear infinite;
    width: max-content;
}

.tech-item {
    flex-shrink: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 0.6rem 1.4rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-dim);
    white-space: nowrap;
    transition: all var(--transition);
}

.tech-item:hover {
    color: var(--text);
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

@keyframes marquee {
    to { transform: translateX(-50%); }
}

/* ═══════════ CONTACT ═══════════ */
.contact {
    background: var(--gradient-bg);
}

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

.contact-info .section-tag {
    margin-bottom: 1rem;
}

.contact-info .section-title {
    text-align: left;
    margin-bottom: 1.5rem;
}

.contact-text {
    color: var(--text-dim);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-detail {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-dim);
    font-size: 0.95rem;
}

.contact-detail svg {
    width: 20px;
    height: 20px;
    color: var(--primary-light);
    flex-shrink: 0;
}

/* Contact form */
.contact-form-wrapper {
    background: var(--surface);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

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

.form-label {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 0.5rem;
}

.form-input {
    width: 100%;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.85rem 1rem;
    color: var(--text);
    font-family: inherit;
    font-size: 0.95rem;
    transition: all var(--transition);
    outline: none;
}

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

.form-input:focus {
    border-color: var(--primary);
    background: rgba(15, 23, 42, 0.8);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-textarea {
    min-height: 140px;
    resize: vertical;
}

.btn-submit {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
    margin-top: 0.5rem;
}

.btn-submit .btn-loader {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-submit .spinner {
    width: 18px;
    height: 18px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.form-status {
    text-align: center;
    font-size: 0.9rem;
    padding: 0.5rem 0 0;
    min-height: 1.5rem;
    transition: all var(--transition);
}

.form-status.success {
    color: #34d399;
}

.form-status.error {
    color: #f87171;
}

/* ═══════════ FOOTER ═══════════ */
.footer {
    background: var(--bg);
    border-top: 1px solid var(--border);
    padding: 3rem 0;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-logo {
    height: 30px;
    width: auto;
    opacity: 0.7;
}

.footer-brand-text {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-dim);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color var(--transition);
}

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

.footer-copy {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ═══════════ ANIMATIONS (AOS-like) ═══════════ */
[data-aos] {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

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

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

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

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

/* Staggered delays */
[data-aos-delay="100"] { transition-delay: 0.1s; }
[data-aos-delay="200"] { transition-delay: 0.2s; }
[data-aos-delay="300"] { transition-delay: 0.3s; }
[data-aos-delay="400"] { transition-delay: 0.4s; }
[data-aos-delay="500"] { transition-delay: 0.5s; }

/* ═══════════ reCAPTCHA BADGE HIDE ═══════════ */
.grecaptcha-badge { visibility: hidden; }

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

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(15, 23, 42, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 1rem;
        border-bottom: 1px solid var(--border);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        min-height: 100svh;
        padding-bottom: 3rem;
    }

    .hero-title {
        font-size: clamp(2rem, 8vw, 3.5rem);
    }

    .hero-stats {
        gap: 1.5rem;
    }

    .hero-stat-divider {
        display: none;
    }

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

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

    .deliver-highlight {
        flex-direction: column;
        text-align: center;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-visual {
        order: -1;
    }

    .about-card-stack {
        width: 260px;
        height: 300px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

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

    .section {
        padding: 4rem 0;
    }

    .section-header {
        margin-bottom: 3rem;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .hero-actions .btn {
        width: 100%;
        max-width: 280px;
    }

    .contact-form-wrapper {
        padding: 1.5rem;
    }

    .footer-links {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }
}