/* ═══════════════════════════════════════════════
   OMR Expert — Premium Design System
   ═══════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root {
    /* — Core palette — */
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-glow: rgba(37, 99, 235, 0.25);
    --accent: #06b6d4;
    /* cyan highlight */
    --accent-red: #ef4444;
    --accent-red-dark: #dc2626;

    /* — Text — */
    --text-dark: #0f172a;
    --text-gray: #475569;
    --text-light: #94a3b8;

    /* — Backgrounds — */
    --bg-white: #ffffff;
    --bg-soft: #f0f6ff;
    --bg-gray: #f1f5f9;
    --bg-card: #ffffff;

    /* — Gradients — */
    --grad-hero: linear-gradient(135deg, #0f172a 0%, #1e3a8a 55%, #1e40af 100%);
    --grad-blue: linear-gradient(135deg, #2563eb, #06b6d4);
    --grad-card: linear-gradient(160deg, #f0f6ff 0%, #e0eaff 100%);

    /* — Shadows — */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, .08), 0 1px 2px rgba(0, 0, 0, .06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, .10);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, .14);
    --shadow-blue: 0 8px 30px rgba(37, 99, 235, .30);

    /* — Misc — */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --font-main: 'Inter', sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --container-width: 1000px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--text-dark);
    background: var(--bg-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.bg-gray {
    background: var(--bg-gray);
}

/* ═══════════════════════════════════════
   HEADER / NAV
═══════════════════════════════════════ */
.header {
    padding: 0;
    background: #ffffffd9;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    position: sticky;
    top: 0;
    z-index: 200;
    border-bottom: 1px solid rgba(37, 99, 235, 0.10);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
    transition: box-shadow var(--transition);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 68px;
}

.logo {
    font-size: 1.6rem;
    font-weight: 900;
    letter-spacing: -1px;
    color: var(--primary);
    text-decoration: none;
}

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

.main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.main-nav a {
    text-decoration: none;
    color: var(--text-gray);
    font-weight: 500;
    font-size: 0.92rem;
    padding: 7px 14px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    position: relative;
}

.main-nav a:hover {
    color: var(--primary);
    background: var(--primary-glow);
}

.admin-link {
    background: var(--grad-blue) !important;
    color: #fff !important;
    font-weight: 600 !important;
    border-radius: 999px !important;
    padding: 7px 18px !important;
    box-shadow: var(--shadow-blue);
    transition: all var(--transition) !important;
}

.admin-link:hover {
    transform: translateY(-1px) !important;
    box-shadow: 0 12px 35px rgba(37, 99, 235, .40) !important;
    background: rgba(0, 0, 0, 0) !important;
    background: linear-gradient(135deg, #1d4ed8, #0891b2) !important;
}

/* ═══════════════════════════════════════
   HERO SECTION
═══════════════════════════════════════ */
.hero-section {
    background: var(--grad-hero);
    padding: 90px 0 70px;
    position: relative;
    overflow: hidden;
}

/* Animated background orbs */
.hero-section::before,
.hero-section::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    animation: floatOrb 8s ease-in-out infinite alternate;
}

.hero-section::before {
    width: 500px;
    height: 500px;
    background: rgba(37, 99, 235, 0.35);
    top: -150px;
    right: -100px;
    animation-delay: 0s;
}

.hero-section::after {
    width: 350px;
    height: 350px;
    background: rgba(6, 182, 212, 0.25);
    bottom: -120px;
    left: 5%;
    animation-delay: -4s;
}

@keyframes floatOrb {
    from {
        transform: translate(0, 0) scale(1);
    }

    to {
        transform: translate(30px, 20px) scale(1.1);
    }
}

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

.hero-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 1.2rem;
    line-height: 1.15;
    letter-spacing: -0.8px;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.78);
    max-width: 680px;
    margin-bottom: 2.2rem;
    line-height: 1.75;
}

.highlight-red {
    color: #f87171;
    font-weight: 700;
    background: rgba(239, 68, 68, 0.15);
    padding: 1px 6px;
    border-radius: 4px;
}

/* Animated underline badge */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.20);
    color: #e0f2fe;
    padding: 8px 18px;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    margin-bottom: 1.5rem;
    animation: fadeSlideDown 0.8s ease both;
}

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

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

/* ═══════════════════════════════════════
   ABOUT SECTION
═══════════════════════════════════════ */
.about-section {
    padding: 80px 0;
}

.about-content {
    max-width: 780px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    font-size: 1.08rem;
    color: var(--text-gray);
    line-height: 1.8;
}

/* ═══════════════════════════════════════
   CAPABILITIES SECTION
═══════════════════════════════════════ */
.capabilities-section {
    padding: 30px 0 60px;
}

.section-title {
    font-size: 1.55rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 1.6rem;
    letter-spacing: -0.3px;
}

.capabilities-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.capability-card {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    border-left: 5px solid var(--primary);
    padding: 20px 26px;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.capability-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--grad-blue);
    opacity: 0;
    transition: opacity var(--transition);
    z-index: 0;
}

.capability-card:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
    border-left-color: var(--accent);
}

.capability-card:hover::before {
    opacity: 0.04;
}

.card-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: baseline;
}

.card-content h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0;
}

.card-content p {
    font-size: 1rem;
    color: var(--text-gray);
    margin: 0;
}

/* ═══════════════════════════════════════
   PROJECTS SECTION
═══════════════════════════════════════ */
.projects-section {
    padding: 70px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.project-card {
    background: var(--bg-white);
    padding: 36px 28px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid #e2eaf6;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.project-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--grad-blue);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

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

.project-card:hover::after {
    transform: scaleX(1);
}

.project-card i {
    font-size: 2.8rem;
    background: var(--grad-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 18px;
    display: block;
    transition: transform var(--transition);
}

.project-card:hover i {
    transform: scale(1.15) rotate(-3deg);
}

.project-card h3 {
    margin-bottom: 10px;
    color: var(--text-dark);
    font-size: 1.1rem;
}

.project-card p {
    color: var(--text-gray);
    font-size: 0.93rem;
    line-height: 1.6;
}

/* ═══════════════════════════════════════
   CONTACT SECTION
═══════════════════════════════════════ */
.contact-section {
    padding: 80px 0;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.contact-desc {
    color: var(--text-gray);
    margin-bottom: 32px;
    font-size: 1.05rem;
    line-height: 1.75;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 20px;
    background: var(--bg-soft);
    border-radius: var(--radius-md);
    border: 1px solid #dbeafe;
    transition: all var(--transition);
}

.contact-item:hover {
    background: #dbeafe;
    transform: translateX(4px);
}

.contact-item i {
    font-size: 1.2rem;
    color: var(--primary);
    width: 22px;
    text-align: center;
    margin-top: 4px;
    flex-shrink: 0;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 0.97rem;
}

.contact-info .label {
    font-weight: 700;
    color: var(--text-dark);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-info a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition);
}

.contact-info a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.contact-info span:not(.label) {
    color: var(--text-gray);
}

/* Contact Form */
.contact-form-container {
    background: var(--bg-white);
    padding: 36px 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid #e2eaf6;
}

.contact-form h3 {
    margin-bottom: 24px;
    color: var(--text-dark);
    font-size: 1.4rem;
    font-weight: 700;
}

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

.form-group label {
    display: block;
    margin-bottom: 7px;
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--text-dark);
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid #cbd5e0;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.97rem;
    color: var(--text-dark);
    background: #f8fafc;
    transition: all var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.submit-btn {
    background: var(--grad-blue);
    color: #fff;
    padding: 14px 28px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition);
    width: 100%;
    letter-spacing: 0.3px;
    box-shadow: var(--shadow-blue);
    position: relative;
    overflow: hidden;
}

.submit-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.12);
    opacity: 0;
    transition: opacity var(--transition);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 40px rgba(37, 99, 235, .38);
}

.submit-btn:hover::after {
    opacity: 1;
}

.submit-btn:active {
    transform: translateY(0);
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* ═══════════════════════════════════════
   FOOTER
═══════════════════════════════════════ */
.footer {
    padding: 24px 0;
    text-align: center;
    color: var(--text-light);
    font-size: 0.88rem;
    background: #0f172a;
    color: rgba(255, 255, 255, 0.4);
}

/* ═══════════════════════════════════════
   ANIMATIONS
═══════════════════════════════════════ */
.fade-in-up {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.65s ease, transform 0.65s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger helper — used via inline style animation-delay */
.fade-in-up:nth-child(2) {
    transition-delay: 0.1s;
}

.fade-in-up:nth-child(3) {
    transition-delay: 0.2s;
}

/* ═══════════════════════════════════════
   MODAL (shared across pages)
═══════════════════════════════════════ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.2s ease;
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    background: var(--bg-white);
    padding: 36px 32px;
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 420px;
    position: relative;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.25s ease;
}

.close-modal {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 1.4rem;
    cursor: pointer;
    color: var(--text-light);
    line-height: 1;
    transition: color var(--transition);
}

.close-modal:hover {
    color: var(--text-dark);
}

.modal-title {
    margin-bottom: 20px;
    color: var(--text-dark);
    font-weight: 700;
}

.login-error-msg {
    color: var(--accent-red);
    font-size: 0.88rem;
    margin-top: -10px;
    display: none;
}

/* ═══════════════════════════════════════
   KEYFRAMES
═══════════════════════════════════════ */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

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

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.6;
    }
}

/* ═══════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════ */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 0;
        height: auto;
        padding: 14px 0;
    }

    .main-nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 4px;
        padding-bottom: 8px;
    }

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

    .card-content {
        flex-direction: column;
        gap: 4px;
    }

    .hero-title {
        font-size: 1.85rem;
    }

    .hero-section {
        padding: 60px 0 50px;
    }
}