/* ================================
   CSS Variables & Base Styles
   ================================ */
:root {
    /* Colors - Elegant palette with red accent */
    --color-primary: #B8324F;
    --color-primary-dark: #8C2640;
    --color-primary-light: #D4546E;
    --color-accent: #C9A86C;

    --color-dark: #1A1A2E;
    --color-gray-900: #2D2D44;
    --color-gray-700: #4A4A5E;
    --color-gray-500: #6B6B7B;
    --color-gray-300: #B8B8C4;
    --color-gray-100: #F5F5F7;
    --color-white: #FFFFFF;

    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Lato', sans-serif;

    /* Spacing */
    --section-padding: 100px;
    --container-width: 1200px;

    /* Transitions */
    --transition: all 0.3s ease;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
}

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

html {
    scroll-behavior: smooth;
}

/* Offset for anchor links with fixed header */
[id] {
    scroll-margin-top: 100px;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-gray-700);
    background-color: var(--color-white);
}

/* ================================
   Typography
   ================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-dark);
    font-weight: 600;
    line-height: 1.3;
}

h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); }
h2 { font-size: clamp(2rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p {
    margin-bottom: 1rem;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--color-primary-dark);
}

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

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

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

.section--gray {
    background-color: var(--color-gray-100);
}

.section--accent {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
}

.section__label {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.section__title {
    margin-bottom: 3rem;
}

/* ================================
   Buttons
   ================================ */
.btn {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.9375rem;
    font-weight: 500;
    padding: 14px 32px;
    border-radius: 4px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn--primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.btn--primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-white);
}

.btn--outline {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn--outline:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn--white {
    background-color: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-white);
}

.btn--white:hover {
    background-color: transparent;
    color: var(--color-white);
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    font-family: var(--font-heading);
    font-weight: 500;
    gap: 8px;
}

.link-arrow span {
    transition: transform 0.3s ease;
}

.link-arrow:hover span {
    transform: translateX(4px);
}

/* ================================
   Header & Navigation
   ================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.nav__logo {
    z-index: 1001;
}

.nav__logo-img {
    height: 45px;
    width: auto;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--color-dark);
}

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

.nav__menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav__link {
    font-family: var(--font-heading);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-gray-700);
    position: relative;
    padding: 8px 0;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width 0.3s ease;
}

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

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

/* Hamburger Menu */
.nav__toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-dark);
    position: relative;
    transition: var(--transition);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--color-dark);
    transition: var(--transition);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

/* Mobile Menu Open State */
.nav__toggle.active .hamburger {
    background-color: transparent;
}

.nav__toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav__toggle.active .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* ================================
   Hero Section
   ================================ */
.hero {
    padding-top: 160px;
    padding-bottom: 100px;
    background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-white) 100%);
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero__subtitle {
    font-family: var(--font-heading);
    font-size: clamp(0.9rem, 2.5vw, 1.25rem);
    font-weight: 500;
    letter-spacing: clamp(2px, 0.8vw, 4px);
    color: var(--color-primary);
    margin-bottom: 1rem;
    word-spacing: clamp(0.2em, 0.8vw, 0.4em);
}

.hero__subtitle .separator {
    font-size: 0.6em;
    margin: 0 clamp(0.1em, 0.5vw, 0.3em);
    vertical-align: middle;
}

.hero__title {
    margin-bottom: 1.5rem;
}

.hero__description {
    font-size: 1.125rem;
    color: var(--color-gray-500);
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero__buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero__image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero__photo {
    width: 450px;
    max-width: 100%;
    height: auto;
    max-height: 600px;
    object-fit: cover;
    object-position: top;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
}

/* ================================
   About Preview Section
   ================================ */
.about-preview__content {
    max-width: 900px;
}

.about-preview__text {
    font-size: 1.125rem;
    color: var(--color-gray-500);
}

.about-preview__text:last-of-type {
    margin-bottom: 2rem;
}

/* ================================
   Services Section
   ================================ */
.services__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.services__grid--3 {
    grid-template-columns: repeat(3, 1fr);
}

.service-card {
    background-color: var(--color-white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.service-card__icon {
    width: 64px;
    height: 64px;
    background-color: var(--color-gray-100);
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 24px;
    color: var(--color-primary);
}

.service-card__title {
    margin-bottom: 16px;
}

.service-card__description {
    color: var(--color-gray-500);
    margin-bottom: 20px;
}

/* ================================
   Testimonials Section
   ================================ */
.testimonials__slider {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.testimonial {
    background-color: var(--color-gray-100);
    padding: 40px;
    border-radius: 8px;
    position: relative;
}

.testimonial::before {
    content: '"';
    position: absolute;
    top: 20px;
    left: 30px;
    font-size: 80px;
    font-family: Georgia, serif;
    color: var(--color-primary);
    opacity: 0.2;
    line-height: 1;
}

.testimonial__quote {
    font-size: 1.125rem;
    font-style: italic;
    color: var(--color-gray-700);
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
}

.testimonial__author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.testimonial__avatar {
    width: 56px;
    height: 56px;
    background-color: var(--color-gray-300);
    border-radius: 50%;
}

.testimonial__name {
    font-family: var(--font-heading);
    font-style: normal;
    font-weight: 600;
    color: var(--color-dark);
    display: block;
}

.testimonial__role {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

/* ================================
   CTA Section
   ================================ */
.cta {
    text-align: center;
}

.cta__title {
    color: var(--color-white);
    margin-bottom: 1rem;
}

.cta__description {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ================================
   Footer
   ================================ */
.footer {
    background-color: var(--color-dark);
    color: var(--color-gray-300);
    padding: 60px 0 30px;
}

.footer__content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer__brand .logo-text {
    color: var(--color-white);
}

.footer__logo-img {
    height: 80px;
    width: auto;
}

.footer__tagline {
    margin-top: 8px;
    color: var(--color-gray-500);
}

.footer__heading {
    font-size: 1rem;
    color: var(--color-white);
    margin-bottom: 20px;
}

.footer__links {
    list-style: none;
}

.footer__links li {
    margin-bottom: 12px;
}

.footer__links a {
    color: var(--color-gray-300);
    transition: var(--transition);
}

.footer__links a:hover {
    color: var(--color-primary-light);
}

/* Social Links */
.social-links {
    display: flex;
    gap: 16px;
}

.social-link {
    width: 44px;
    height: 44px;
    background-color: var(--color-gray-900);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--color-gray-300);
    transition: var(--transition);
}

.social-link:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.social-link--dark {
    background-color: var(--color-gray-100);
    color: var(--color-gray-700);
}

.social-link--dark:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.footer__bottom {
    border-top: 1px solid var(--color-gray-900);
    padding-top: 30px;
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

/* ================================
   Page Headers (for subpages)
   ================================ */
.page-header {
    padding-top: 160px;
    padding-bottom: 60px;
    background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-white) 100%);
    text-align: center;
}

.page-header__title {
    margin-bottom: 1rem;
}

.page-header__subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-500);
    max-width: 600px;
    margin: 0 auto;
}

/* ================================
   About Page
   ================================ */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    width: 100%;
    max-width: 450px;
    height: auto;
    max-height: 600px;
    object-fit: cover;
    object-position: top;
    border-radius: 8px;
    box-shadow: var(--shadow-md);
}

.about-text h3 {
    margin-bottom: 1rem;
    margin-top: 2rem;
}

.about-text h3:first-child {
    margin-top: 0;
}

.values-list {
    list-style: none;
    margin-top: 1.5rem;
}

.values-list li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 12px;
}

.values-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 12px;
    height: 12px;
    background-color: var(--color-primary);
    border-radius: 50%;
}

/* ================================
   Services Page
   ================================ */
.service-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: stretch;
    padding: 60px 0;
    border-bottom: 1px solid var(--color-gray-100);
}

.service-detail:nth-child(even) {
    direction: rtl;
}

.service-detail:nth-child(even) > * {
    direction: ltr;
}

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

.service-detail__content h3 {
    margin-bottom: 1rem;
}

.service-detail__list {
    list-style: none;
    margin-top: 1.5rem;
}

.service-detail__list li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 10px;
}

.service-detail__list li::before {
    content: '\2713';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
}

.service-detail__image {
    width: 100%;
    min-height: 400px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: var(--shadow-md);
}

/* ================================
   Contact Page
   ================================ */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: stretch;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-image {
    width: 100%;
}

.contact-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: var(--shadow-md);
}

.contact-info h3 {
    margin-bottom: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

.contact-item__icon {
    width: 48px;
    height: 48px;
    background-color: var(--color-gray-100);
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--color-primary);
    flex-shrink: 0;
}

.contact-item__label {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    display: block;
    margin-bottom: 4px;
}

.contact-item__value {
    font-family: var(--font-heading);
    font-weight: 500;
    color: var(--color-dark);
}

.contact-form {
    background-color: var(--color-gray-100);
    padding: 40px;
    border-radius: 8px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-dark);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--color-gray-300);
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--color-white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(184, 50, 79, 0.1);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

/* ================================
   Responsive Design
   ================================ */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }

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

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

    .about-content,
    .contact-content {
        gap: 50px;
    }
}

@media (max-width: 992px) {
    :root {
        --section-padding: 60px;
    }

    /* Mobile Navigation */
    .nav__toggle {
        display: block;
    }

    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background-color: var(--color-white);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 32px;
        transition: right 0.3s ease;
    }

    .nav__menu.active {
        right: 0;
    }

    .nav__link {
        font-size: 1.25rem;
    }

    /* Hero */
    .hero__container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero__description {
        margin-left: auto;
        margin-right: auto;
    }

    .hero__buttons {
        justify-content: center;
    }

    .hero__image {
        order: -1;
    }

    .hero__photo {
        width: 100%;
        max-width: 350px;
        max-height: 480px;
    }

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

    /* Testimonials */
    .testimonials__slider {
        grid-template-columns: 1fr;
    }

    /* Footer */
    .footer__content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    /* About & Contact Pages */
    .about-content,
    .contact-content,
    .service-detail {
        grid-template-columns: 1fr;
    }

    .service-detail:nth-child(even) {
        direction: ltr;
    }

    .about-image {
        max-width: 450px;
        max-height: 500px;
        margin: 0 auto;
        display: block;
    }

    .contact-image {
        height: 400px;
        margin-bottom: 2rem;
    }

    .contact-image img {
        height: 100%;
    }

    .nav__logo-img {
        height: 36px;
    }

    .service-detail__image {
        height: 300px;
        min-height: auto;
    }
}

@media (max-width: 480px) {
    .btn {
        width: 100%;
    }

    .hero__buttons {
        flex-direction: column;
    }

    .service-card {
        padding: 30px;
    }

    .testimonial {
        padding: 30px;
    }

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

/* ================================
   Animations
   ================================ */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Header scroll effect */
.header.scrolled {
    box-shadow: var(--shadow-md);
}

/* Button hover effects */
.btn {
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::after {
    width: 300px;
    height: 300px;
}

/* Service card hover icon animation */
.service-card:hover .service-card__icon {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.service-card__icon {
    transition: var(--transition);
}