/* --- FONT IMPORT --- */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&family=Inter:wght@400;500&display=swap');

/* --- COLOR & FONT PALETTE --- */
:root {
    /* Dark blue/teal theme as requested */
    --color-bg-dark: #011a27;       /* Very dark navy - Main background */
    --color-bg-medium: #063852;    /* Richer blue - Card backgrounds, footer */
    --color-primary-accent: #2c7873; /* Teal - Accents, buttons */
    --color-secondary-accent: #f0810f; /* Orange/Gold - CTAs, highlights */

    /* Text colors */
    --color-text-light: #e0e0e0;     /* Light gray for body text */
    --color-text-headings: #ffffff; /* Pure white for headings */
    --color-text-muted: #88a1b2;     /* Muted text for secondary info */

    /* Fonts */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Layout */
    --container-width: 1200px;
    --border-radius: 8px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg-dark);
    color: var(--color-text-light);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-text-headings);
    font-weight: 700;
    line-height: 1.3;
}

p {
    margin-bottom: 1rem;
}

a {
    color: var(--color-secondary-accent);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #ff9a2f; /* Lighter shade of the gold accent */
}

/* --- LAYOUT --- */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* --- HEADER & FOOTER --- */
.site-header {
    padding: 1.5rem 0;
    background-color: transparent;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-headings);
    text-decoration: none;
}
.logo span {
    color: var(--color-secondary-accent);
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.main-nav a {
    color: var(--color-text-light);
    font-weight: 500;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--color-text-headings);
    border-bottom-color: var(--color-secondary-accent);
}

.site-footer {
    background-color: var(--color-bg-medium);
    color: var(--color-text-muted);
    padding: 2rem 0;
    margin-top: 4rem;
    text-align: center;
    font-size: 0.9rem;
}

/* --- WHATSAPP BUTTON --- */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 30px;
    right: 30px;
    background-color: #25D366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 6px rgba(0,0,0,0.4);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.whatsapp-float:hover {
    transform: scale(1.1);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
    fill: #fff;
}

/* --- BUTTONS --- */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    font-family: var(--font-heading);
    font-weight: 600;
    border-radius: var(--border-radius);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    letter-spacing: 0.5px;
}

.btn-primary {
    background-color: var(--color-secondary-accent);
    color: var(--color-bg-dark);
}

.btn-primary:hover {
    background-color: #ff9a2f;
    color: var(--color-bg-dark);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-secondary-accent);
    border-color: var(--color-secondary-accent);
}

.btn-secondary:hover {
    background-color: var(--color-secondary-accent);
    color: var(--color-bg-dark);
}

/* --- UTILITIES & GENERAL STYLES --- */
.section-padding {
    padding: 6rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    font-weight: 700;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: var(--color-secondary-accent);
    margin: 0.75rem auto 0;
    border-radius: 2px;
}

.bg-medium {
    background-color: var(--color-bg-medium);
}

.text-center {
    text-align: center;
    margin-top: 3rem;
}

/* --- HERO SECTION --- */
.hero-section {
    background: linear-gradient(rgba(1, 26, 39, 0.85), rgba(1, 26, 39, 0.85)), url('https://images.unsplash.com/photo-1541443131835-753b6d028262?q=80&w=2070&auto=format&fit=crop') no-repeat center center/cover;
    height: 85vh;
    display: flex;
    align-items: center;
    text-align: center;
    padding: 0 2rem;
}

.hero-content {
    max-width: 850px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem); /* Responsive font size */
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--color-text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* --- HOW IT WORKS SECTION --- */
.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.step-card {
    background-color: var(--color-bg-medium);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.step-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}

.step-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-secondary-accent);
    background-color: rgba(240, 129, 15, 0.1);
    width: 60px;
    height: 60px;
    line-height: 60px;
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-text-headings);
}

/* --- SHIPMENTS & TESTIMONIALS SHARED STYLES --- */
.shipments-grid, .testimonials-grid {
    display: grid;
    gap: 2rem;
}

.shipments-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.testimonials-grid {
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    max-width: 1000px;
    margin: 0 auto;
}

.shipment-card, .testimonial-card {
    background-color: var(--color-bg-medium);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.shipment-card:hover, .testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}

.shipment-card-img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
    background-color: #333; /* Placeholder color */
}

.shipment-card-content {
    padding: 1.5rem;
}

.shipment-card-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.shipment-card-destination {
    color: var(--color-text-muted);
}

.testimonial-card {
    padding: 2rem;
}

.testimonial-card blockquote {
    font-size: 1.1rem;
    font-style: italic;
    border-left: 4px solid var(--color-primary-accent);
    padding-left: 1.5rem;
    margin: 0 0 1rem 0;
    color: var(--color-text-light);
}

.testimonial-card cite {
    font-style: normal;
    font-weight: 600;
    color: var(--color-text-headings);
    display: block;
    text-align: right;
}

/* --- PAGE HEADER --- */
.page-header {
    background-color: var(--color-bg-medium);
    padding: 4rem 0;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.page-title {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.page-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* --- ABOUT PAGE --- */
.about-story-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.story-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.story-content .section-title {
    text-align: left;
}

.story-content .section-title::after {
    margin-left: 0;
}

/* --- WHY CHOOSE US / VALUES --- */
.values-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.value-card {
    background-color: var(--color-bg-dark);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.value-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-primary-accent);
}

/* --- CONTACT PAGE --- */
.contact-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

@media (max-width: 992px) {
    .contact-container {
        grid-template-columns: 1fr;
    }
}

.contact-form-wrapper {
    background-color: var(--color-bg-medium);
    padding: 3rem;
    border-radius: var(--border-radius);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--color-text-light);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--color-bg-dark);
    background-color: var(--color-bg-dark);
    color: var(--color-text-light);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary-accent);
    box-shadow: 0 0 0 3px rgba(44, 120, 115, 0.3);
}

.contact-info-card, .map-card {
    background-color: var(--color-bg-medium);
    padding: 2rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
}

.info-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-text-headings);
}

.map-card iframe {
    border-radius: var(--border-radius);
    width: 100%;
    height: 250px;
}

.map-link {
    display: block;
    margin-top: 1rem;
    text-align: center;
    font-weight: 600;
}

/* --- FORM SUBMISSION POPUP --- */
.popup {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-primary-accent);
  color: white;
  padding: 1rem 2rem;
  border-radius: var(--border-radius);
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
  transform: translateX(-50%) translateY(20px);
}

.popup.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* --- SHIPMENTS PAGE --- */
.filter-section {
    padding-bottom: 3rem;
}

.filter-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    background-color: var(--color-bg-medium);
    padding: 2rem;
    border-radius: var(--border-radius);
}

.control-group {
    flex-grow: 1;
    min-width: 250px;
}

.control-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.control-group select,
.control-group input {
    width: 100%;
    padding: 0.8rem 1rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--color-bg-dark);
    background-color: var(--color-bg-dark);
    color: var(--color-text-light);
    font-family: var(--font-body);
    font-size: 1rem;
}

.loading-message {
    text-align: center;
    font-size: 1.2rem;
    padding: 4rem 0;
    color: var(--color-text-muted);
}

/* --- MODAL GALLERY --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    z-index: 1001;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--color-bg-medium);
    padding: 2rem;
    border-radius: var(--border-radius);
    max-width: 900px;
    width: 90%;
    position: relative;
    transform: scale(0.95);
    transition: transform 0.3s ease;
}

.modal-overlay.show .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 2.5rem;
    color: #fff;
    background: none;
    border: none;
    cursor: pointer;
    line-height: 1;
}

.modal-image-container img {
    width: 100%;
    height: 500px;
    object-fit: contain;
    margin-bottom: 1rem;
    border-radius: var(--border-radius);
}

.modal-thumbnails {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.modal-thumbnails img {
    width: 100px;
    height: 70px;
    object-fit: cover;
    border-radius: 4px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color 0.3s ease;
}

.modal-thumbnails img:hover,
.modal-thumbnails img.active {
    border-color: var(--color-secondary-accent);
}

/* --- ANIMATIONS --- */
body {
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Scroll-triggered animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* Hamburger Menu for Mobile */
.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
    padding: 0.5rem;
}

.mobile-nav-toggle .icon-bar {
    display: block;
    width: 25px;
    height: 3px;
    background-color: #fff;
    margin: 5px 0;
    transition: all 0.3s ease;
}

@media (max-width: 768px) {
    .main-nav {
        position: fixed;
        top: 0;
        right: 0;
        width: 100%;
        height: 100vh;
        background-color: var(--color-bg-medium);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transform: translateX(100%);
        transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
        z-index: 1000;
    }

    .main-nav.active {
        transform: translateX(0);
    }

    .main-nav ul {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }

    .main-nav a {
        font-size: 1.5rem;
    }

    .mobile-nav-toggle {
        display: block;
    }

    .mobile-nav-toggle.active .icon-bar:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    .mobile-nav-toggle.active .icon-bar:nth-child(2) {
        opacity: 0;
    }
    .mobile-nav-toggle.active .icon-bar:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    /* Adjusting other layouts for mobile */
    .about-story-container {
        grid-template-columns: 1fr;
    }

    .hero-section {
        height: 70vh;
    }

    .section-padding {
        padding: 4rem 0;
    }
}