/* ===== RESET & VARIABLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Operator Colors */
    --o2-blue: #0019a5;
    --o2-light-blue: #0066cc;
    --tmobile-magenta: #e20074;
    --tmobile-light: #ff0099;
    --vodafone-red: #e60000;
    --vodafone-dark: #cc0000;

    /* Neutral Colors */
    --white: #ffffff;
    --light-gray: #f5f5f5;
    --medium-gray: #e0e0e0;
    --dark-gray: #333333;
    --text-gray: #666666;

    /* Gradients */
    --gradient-operators: linear-gradient(135deg, var(--o2-blue) 0%, var(--tmobile-magenta) 50%, var(--vodafone-red) 100%);
    --gradient-hero: linear-gradient(135deg, rgba(0, 25, 165, 0.95) 0%, rgba(226, 0, 116, 0.95) 50%, rgba(230, 0, 0, 0.95) 100%);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);

    /* Spacing */
    --container-width: 1200px;
    --section-padding: 80px 20px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
    color: var(--dark-gray);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== HEADER ===== */
.header {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 20px 0;
}

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

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-gray);
}

.operator-colors {
    background: var(--gradient-operators);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-client-count {
    display: flex;
    align-items: center;
}

.helped-text {
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark-gray);
}

.helped-number {
    font-size: 1rem;
    font-weight: 700;
    background: var(--gradient-operators);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0 3px;
}

.nav {
    display: flex;
    gap: 30px;
}

.nav a {
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-operators);
    transition: width 0.3s ease;
}

.nav a:hover::after {
    width: 100%;
}

/* ===== HERO SECTION ===== */
.hero {
    background: var(--gradient-hero);
    color: var(--white);
    padding: 100px 20px;
    text-align: center;
}

.hero h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 50px;
    opacity: 0.95;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 40px;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.4s both;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cta-button {
    display: inline-block;
    background: var(--white);
    color: var(--tmobile-magenta);
    padding: 18px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: var(--shadow-md);
    animation: fadeInUp 0.8s ease 0.6s both;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* ===== ABOUT SECTION ===== */
.about {
    padding: var(--section-padding);
    background: var(--white);
}

.about h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 60px;
    color: var(--dark-gray);
}

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

.about-text ul {
    list-style: none;
    margin-top: 30px;
}

.about-text li {
    padding: 15px 0;
    padding-left: 30px;
    position: relative;
}

.about-text li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--tmobile-magenta);
    font-weight: 700;
    font-size: 1.2rem;
}

.operator-logos {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.operator-card {
    padding: 40px;
    border-radius: 16px;
    color: var(--white);
    font-size: 1.8rem;
    font-weight: 700;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.operator-card.o2 {
    background: linear-gradient(135deg, var(--o2-blue), var(--o2-light-blue));
}

.operator-card.tmobile {
    background: linear-gradient(135deg, var(--tmobile-magenta), var(--tmobile-light));
}

.operator-card.vodafone {
    background: linear-gradient(135deg, var(--vodafone-dark), var(--vodafone-red));
}

/* ===== TIPS SECTION ===== */
.tips {
    padding: var(--section-padding);
    background: var(--light-gray);
}

.tips h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 60px;
    color: var(--dark-gray);
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.tip-card {
    background: var(--white);
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 4px solid transparent;
}

.tip-card:nth-child(1),
.tip-card:nth-child(4) {
    border-top-color: var(--o2-blue);
}

.tip-card:nth-child(2),
.tip-card:nth-child(5) {
    border-top-color: var(--tmobile-magenta);
}

.tip-card:nth-child(3),
.tip-card:nth-child(6) {
    border-top-color: var(--vodafone-red);
}

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

.tip-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.tip-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--dark-gray);
}

.tip-card p {
    color: var(--text-gray);
    line-height: 1.7;
}

/* ===== TARIFFS SECTION ===== */
.tariffs {
    padding: var(--section-padding);
    background: var(--white);
}

.tariffs h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 20px;
    color: var(--dark-gray);
}

.section-subtitle {
    text-align: center;
    color: var(--text-gray);
    margin-bottom: 60px;
    font-size: 1.1rem;
}

.tariffs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.tariff-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}

.tariff-card.featured {
    border: 3px solid var(--tmobile-magenta);
}

.tariff-badge {
    position: absolute;
    top: 20px;
    right: -35px;
    background: var(--tmobile-magenta);
    color: var(--white);
    padding: 8px 40px;
    transform: rotate(45deg);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    z-index: 10;
}

.tariff-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.tariff-header {
    padding: 40px 30px;
    color: var(--white);
    text-align: center;
}

.tariff-header.basic {
    background: linear-gradient(135deg, var(--o2-blue), var(--o2-light-blue));
}

.tariff-header.standard {
    background: linear-gradient(135deg, var(--tmobile-magenta), var(--tmobile-light));
}

.tariff-header.premium {
    background: linear-gradient(135deg, var(--vodafone-dark), var(--vodafone-red));
}

.tariff-header h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.price {
    font-size: 2.2rem;
    font-weight: 700;
}

.tariff-features {
    list-style: none;
    padding: 30px;
}

.tariff-features li {
    padding: 12px 0;
    border-bottom: 1px solid var(--medium-gray);
    color: var(--dark-gray);
}

.tariff-features li:last-child {
    border-bottom: none;
}

.tariffs-note {
    background: var(--light-gray);
    padding: 20px 30px;
    border-radius: 12px;
    color: var(--text-gray);
    border-left: 4px solid var(--tmobile-magenta);
    margin-top: 40px;
}

/* ===== FAQ SECTION ===== */
.faq {
    padding: var(--section-padding);
    background: var(--white);
}

.faq h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 20px;
    color: var(--dark-gray);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.faq-item {
    background: var(--white);
    border: 1px solid var(--medium-gray);
    border-radius: 12px;
    padding: 30px;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--tmobile-magenta);
}

.faq-item h3 {
    font-size: 1.2rem;
    color: var(--o2-blue);
    margin-bottom: 15px;
    line-height: 1.4;
}

.faq-item p {
    color: var(--text-gray);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* ===== CONTACT SECTION ===== */
.contact {
    padding: var(--section-padding);
    background: var(--light-gray);
}

.contact h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 20px;
    color: var(--dark-gray);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    margin-top: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-card {
    background: var(--white);
    padding: 30px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.contact-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.profile-photo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 20px;
    border: 4px solid var(--tmobile-magenta);
    box-shadow: 0 4px 12px rgba(226, 0, 116, 0.2);
}

.contact-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--dark-gray);
}

.contact-card p,
.contact-card a {
    color: var(--text-gray);
    text-decoration: none;
}

.contact-card a:hover {
    color: var(--tmobile-magenta);
}

.contact-form-wrapper {
    background: var(--white);
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.form-group label {
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark-gray);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 2px solid var(--medium-gray);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--tmobile-magenta);
}

.form-group input[type="file"] {
    padding: 10px;
    border: 2px dashed var(--medium-gray);
    background: var(--light-gray);
    cursor: pointer;
}

.form-group input[type="file"]:hover {
    border-color: var(--tmobile-magenta);
    background: var(--white);
}

.file-hint {
    font-size: 0.85rem;
    color: var(--text-gray);
    margin-top: 5px;
}

.file-list {
    margin-top: 10px;
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    background: var(--light-gray);
    border-radius: 6px;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.file-item-name {
    display: flex;
    align-items: center;
    gap: 8px;
}

.file-remove {
    background: var(--vodafone-red);
    color: white;
    border: none;
    padding: 4px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
}

.file-remove:hover {
    background: var(--vodafone-dark);
}

.gdpr-consent {
    margin: 20px 0;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    margin-top: 4px;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.checkbox-label span {
    flex: 1;
    line-height: 1.6;
    color: var(--dark-gray);
}

.checkbox-label a {
    color: var(--tmobile-magenta);
    text-decoration: underline;
}

.checkbox-label a:hover {
    color: var(--o2-blue);
}

.form-group textarea {
    resize: vertical;
}

.submit-button {
    background: var(--gradient-operators);
    color: var(--white);
    padding: 16px 40px;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: var(--shadow-md);
}

.submit-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.form-note {
    color: var(--text-gray);
    font-size: 0.9rem;
    text-align: center;
}

.form-success {
    text-align: center;
    padding: 40px;
}

.success-icon {
    font-size: 4rem;
    color: #00c851;
    margin-bottom: 20px;
}

.form-success h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--dark-gray);
}

.form-success p {
    color: var(--text-gray);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--dark-gray);
    color: var(--white);
    padding: 60px 20px 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-col p,
.footer-col a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    line-height: 1.8;
}

.footer-col a:hover {
    color: var(--white);
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    padding: 5px 0;
    color: rgba(255, 255, 255, 0.8);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 968px) {
    .hero h2 {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-stats {
        gap: 30px;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

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

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

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

@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 15px;
    }

    .header-client-count {
        order: 2;
    }

    .helped-text {
        font-size: 0.85rem;
    }

    .helped-number {
        font-size: 0.85rem;
        font-weight: 700;
    }

    .nav {
        order: 3;
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }

    .hero {
        padding: 60px 20px;
    }

    .hero h2 {
        font-size: 1.8rem;
    }

    .about h2,
    .tips h2,
    .tariffs h2,
    .contact h2 {
        font-size: 2rem;
    }

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

    .contact-form-wrapper {
        padding: 25px;
    }

    :root {
        --section-padding: 60px 20px;
    }
}

@media (max-width: 480px) {
    .hero h2 {
        font-size: 1.5rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .tip-card,
    .contact-card {
        padding: 25px;
    }

    /* Free consultation box in hero */
    .hero div[style*="max-width: 500px"] {
        padding: 12px 20px !important;
        margin: 15px auto !important;
    }

    .hero div[style*="max-width: 500px"] p {
        font-size: 0.95rem !important;
    }

    /* Origin story section */
    .origin-story div[style*="padding: 40px"] {
        padding: 25px !important;
    }

    .origin-story p {
        font-size: 1rem !important;
    }

    /* Contact section free consultation banner */
    .contact div[style*="max-width: 600px"] {
        padding: 15px !important;
    }

    .contact div[style*="max-width: 600px"] p {
        font-size: 1rem !important;
    }
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials {
    padding: var(--section-padding);
    background: var(--light-gray);
}

.testimonials h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 15px;
    background: var(--gradient-operators);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.testimonials .section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: 50px;
}

.client-count {
    font-weight: bold;
    font-size: 1.4rem;
    background: var(--gradient-operators);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.testimonials-carousel {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
}

.testimonials-wrapper {
    overflow: hidden;
    flex: 1;
}

.testimonials-container {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.testimonial-card {
    min-width: 100%;
    background: var(--white);
    padding: 20px 25px;
    border-radius: 10px;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.testimonial-text {
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--dark-gray);
    margin-bottom: 12px;
    font-style: italic;
    position: relative;
    padding-left: 20px;
}

.testimonial-text::before {
    content: '"';
    position: absolute;
    left: 0;
    top: -8px;
    font-size: 3rem;
    color: var(--o2-blue);
    opacity: 0.2;
    font-family: Georgia, serif;
}

.testimonial-author {
    font-weight: bold;
    color: var(--o2-blue);
    font-size: 0.9rem;
    text-align: left;
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 30px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--medium-gray);
    cursor: pointer;
    transition: background 0.3s ease, transform 0.3s ease;
}

.dot.active {
    background: var(--o2-blue);
    transform: scale(1.3);
}

.dot:hover {
    background: var(--o2-light-blue);
}

/* Responsive */
@media (max-width: 768px) {
    .testimonials h2 {
        font-size: 2rem;
    }

    .testimonials .section-subtitle {
        font-size: 1rem;
    }

    .client-count {
        font-size: 1.2rem;
    }

    .testimonials-carousel {
        max-width: 550px;
    }

    .testimonial-card {
        padding: 18px 22px;
    }

    .testimonial-text {
        font-size: 0.9rem;
        padding-left: 18px;
    }

    .testimonial-text::before {
        font-size: 2.5rem;
    }

    .testimonial-author {
        font-size: 0.85rem;
    }
}

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

    .testimonial-card {
        padding: 16px 18px;
    }

    .testimonial-text {
        font-size: 0.85rem;
        padding-left: 15px;
    }

    .testimonial-text::before {
        font-size: 2rem;
    }

    .testimonial-author {
        font-size: 0.8rem;
    }
}